Performance

Latency of the evaluated solutions and which of them reach quality in real time.

Takeaways for , , , and

Takeaway 1

In 93% of measured model–language pairs, translation is either real-time or more than four times the real-time threshold.

We call a solution real-time when we get the translation of a text in 2 seconds or less, ~2.7 seconds per 1,000 words for our average text. In their median language, 10 of the 56 models are real-time, translation with 38 takes more than 12 seconds per 1,000 words, and every language has at least one real-time model.

Time per 1,000 source words across measured model–language pairs
Chart data
Time per 1,000 source words across measured model–language pairs (3,886 points summarized)
PointsLowest, seconds per 1,000 source wordsLower quartile, seconds per 1,000 source wordsMedian, seconds per 1,000 source wordsUpper quartile, seconds per 1,000 source wordsHighest, seconds per 1,000 source words
3,8860.1219.65950.72989.745,929.64
Takeaway 2

MT engine translations take a median of ~2 seconds per 1,000 source words, compared with ~66 seconds for LLMs.

The median LLM time is ~37 times the median MT engine time. With Google Cloud Advanced Translation API, translation takes a median of 0.17 seconds per 1,000 words, and with MoonshotAI Kimi K2.5, 323 seconds. The fastest LLM is OpenAI gpt-oss-120b, an open-weight LLM, at a median of 2.7 seconds per 1,000 words.

To Youdao Translation Service API, NiuTrans and iFlyTek MT, three of the slowest MT engines, we send the texts in 177 requests, one sentence after another, and their time includes all of them.

Time per 1,000 source words, by model type
Chart data
Time per 1,000 source words, by model type (3,886 points by group)
ClassPointsLowest, seconds per 1,000 source wordsLower quartile, seconds per 1,000 source wordsMedian, seconds per 1,000 source wordsUpper quartile, seconds per 1,000 source wordsHighest, seconds per 1,000 source words
MT engines8410.1210.392.86733.956138.83
LLM-based MT engines3560.3760.72171.6153.462277.19
LLMs2,2699.65142.76765.841102.195,929.64
Open-weight LLMs4201.32536.64265.244198.97588.46
Takeaway 3

No assessed real-time one-step solution meets every Standard requirement.

We assessed real-time one-step solutions in 84 languages, from MT engines such as DeepL Next Gen, Translated Lara 2 and Microsoft Translator and from OpenAI gpt-oss-120b. Only two meet general translation quality (no critical error, at most three major errors and at most 20 weighted errors per 1,000 words), DeepL Next Gen in German and Romanian. 4 out of 198 meet both tag handling and formatting. A repair of tags and formatting by code does not add time, but it leaves general translation quality as it is.

The one-step solutions that meet every Standard requirement come from LLMs adjusted with context in the request. The fastest is Google Gemini 3.5 Flash in Indonesian at ~12 seconds per 1,000 source words, and across the 38 languages where such a solution exists, the fastest one takes a median of ~65 seconds per 1,000 words. Within a language, the LLM solutions that meet every Standard requirement take ~1.1 times as long as the other LLM solutions at the median, and longer in 27 of the 38 languages.

One-step solutions by translation time and the Standard requirements they meet
Chart data
One-step solutions by translation time and the Standard requirements they meet
ModelLanguageSeconds per 1,000 source words over the four textsStatusClass
Google Cloud Advanced Translation APIKurdish (Kurmanji)0.13Other solutionsMT engine
Google Cloud Advanced Translation APIScottish Gaelic0.16Other solutionsMT engine
Microsoft TranslatorChinese Simplified0.17Other solutionsMT engine
Microsoft TranslatorDanish0.19Other solutionsMT engine
Microsoft TranslatorItalian0.19Other solutionsMT engine
Google Cloud Advanced Translation APISinhala0.19Other solutionsMT engine
Microsoft TranslatorSpanish (European)0.2Other solutionsMT engine
Microsoft TranslatorEstonian0.2Other solutionsMT engine
Microsoft TranslatorGalician0.2Other solutionsMT engine
Microsoft TranslatorKhmer0.2Other solutionsMT engine
Microsoft TranslatorUrdu0.2Other solutionsMT engine
Microsoft TranslatorFinnish0.21Other solutionsMT engine
Microsoft TranslatorPortuguese (European)0.21Other solutionsMT engine
Microsoft TranslatorTelugu0.21Other solutionsMT engine
Microsoft TranslatorUkrainian0.21Other solutionsMT engine
Microsoft TranslatorAfrikaans0.23Other solutionsMT engine
Microsoft TranslatorGerman0.23Other solutionsMT engine
Microsoft TranslatorMacedonian0.23Other solutionsMT engine
Microsoft TranslatorSwedish0.23Other solutionsMT engine
Google Cloud Advanced Translation APICebuano0.24Other solutionsMT engine
Microsoft TranslatorWelsh0.24Other solutionsMT engine
Microsoft TranslatorLao0.24Other solutionsMT engine
Microsoft TranslatorCroatian0.26Other solutionsMT engine
Microsoft TranslatorKannada0.26Other solutionsMT engine
Microsoft TranslatorNorwegian0.26Other solutionsMT engine
Microsoft TranslatorAlbanian0.26Other solutionsMT engine
Microsoft TranslatorAmharic0.27Other solutionsMT engine
Microsoft TranslatorCatalan0.3Other solutionsMT engine
ModernMT Enterprise EditionFinnish0.32Other solutionsMT engine
Microsoft TranslatorHindi0.32Other solutionsMT engine
Microsoft TranslatorRomanian0.32Other solutionsMT engine
Microsoft TranslatorOdia (Oriya)0.34Other solutionsMT engine
Microsoft TranslatorGreek0.35Other solutionsMT engine
ModernMT Enterprise EditionLithuanian0.35Other solutionsMT engine
Microsoft TranslatorMalayalam0.36Other solutionsMT engine
Google Translation LLMBelarusian0.38Other solutionsLLM-based MT engine
Microsoft TranslatorHebrew0.38Other solutionsMT engine
ModernMT Enterprise EditionBosnian0.43Other solutionsMT engine
Google Translation LLMSlovak0.44Other solutionsLLM-based MT engine
Microsoft TranslatorAssamese0.46Other solutionsMT engine
Google Translation LLMPolish0.46Other solutionsLLM-based MT engine
Google Translation LLMVietnamese0.48Other solutionsLLM-based MT engine
DeepL Next GenMalay0.5Other solutionsLLM-based MT engine
Google Translation LLMTurkish0.5Other solutionsLLM-based MT engine
Google Translation LLMEstonian0.51Other solutionsLLM-based MT engine
Google Translation LLMThai0.51Other solutionsLLM-based MT engine
DeepL Next GenVietnamese0.52Other solutionsLLM-based MT engine
Google Translation LLMBasque0.54Other solutionsLLM-based MT engine
Google Translation LLMLatvian0.54Other solutionsLLM-based MT engine
Google Translation LLMAzerbaijani0.55Other solutionsLLM-based MT engine
DeepL Next GenCzech0.55Other solutionsLLM-based MT engine
Google Translation LLMTamil0.55Other solutionsLLM-based MT engine
ModernMT Enterprise EditionGreek0.56Other solutionsMT engine
Microsoft TranslatorFarsi0.56Other solutionsMT engine
DeepL Next GenGalician0.56Other solutionsLLM-based MT engine
Google Translation LLMHungarian0.56Other solutionsLLM-based MT engine
Google Translation LLMNepali0.56Other solutionsLLM-based MT engine
DeepL Next GenDutch0.56Other solutionsLLM-based MT engine
DeepL Next GenSundanese0.56Other solutionsLLM-based MT engine
Google Translation LLMTagalog0.56Other solutionsLLM-based MT engine
DeepL Next GenKorean0.58Other solutionsLLM-based MT engine
DeepL Next GenFarsi0.59Other solutionsLLM-based MT engine
DeepL Next GenCroatian0.59Other solutionsLLM-based MT engine
DeepL Next GenEstonian0.6Other solutionsLLM-based MT engine
DeepL Next GenFrench0.6Other solutionsLLM-based MT engine
DeepL Next GenPolish0.6Other solutionsLLM-based MT engine
DeepL Next GenSwedish0.6Other solutionsLLM-based MT engine
Google Translation LLMSwahili0.6Other solutionsLLM-based MT engine
DeepL Next GenTagalog0.6Other solutionsLLM-based MT engine
DeepL Next GenDanish0.62Other solutionsLLM-based MT engine
DeepL Next GenIndonesian0.62Other solutionsLLM-based MT engine
DeepL Next GenPortuguese (European)0.62Other solutionsLLM-based MT engine
Google Translation LLMArmenian0.63Other solutionsLLM-based MT engine
Google Translation LLMKannada0.64Other solutionsLLM-based MT engine
DeepL Next GenLatvian0.64Other solutionsLLM-based MT engine
DeepL Next GenSlovak0.64Other solutionsLLM-based MT engine
Google Translation LLMCzech0.66Other solutionsLLM-based MT engine
DeepL Next GenSlovenian0.66Other solutionsLLM-based MT engine
DeepL Next GenAfrikaans0.67Other solutionsLLM-based MT engine
DeepL Next GenFinnish0.67Other solutionsLLM-based MT engine
DeepL Next GenIcelandic0.67Other solutionsLLM-based MT engine
DeepL Next GenAlbanian0.67Other solutionsLLM-based MT engine
DeepL Next GenUrdu0.67Other solutionsLLM-based MT engine
DeepL Next GenMacedonian0.69Other solutionsLLM-based MT engine
Google Translation LLMArabic (MSA)0.7Other solutionsLLM-based MT engine
DeepL Next GenAzerbaijani0.7Other solutionsLLM-based MT engine
DeepL Next GenWelsh0.7Other solutionsLLM-based MT engine
DeepL Next GenGerman0.7Other solutionsLLM-based MT engine
Google Translation LLMIcelandic0.7Other solutionsLLM-based MT engine
Google Translation LLMGeorgian0.7Other solutionsLLM-based MT engine
Google Translation LLMKhmer0.7Other solutionsLLM-based MT engine
DeepL Next GenUzbek0.7Other solutionsLLM-based MT engine
DeepL Next GenTajik0.71Other solutionsLLM-based MT engine
Google Translation LLMIrish0.73Other solutionsLLM-based MT engine
DeepL Next GenArmenian0.73Other solutionsLLM-based MT engine
Google Translation LLMLao0.73Other solutionsLLM-based MT engine
DeepL Next GenTurkish0.73Other solutionsLLM-based MT engine
DeepL Next GenBelarusian0.74Other solutionsLLM-based MT engine
DeepL Next GenRomanian0.74Other solutionsLLM-based MT engine
DeepL Next GenTatar0.74Other solutionsLLM-based MT engine
Google Translation LLMBulgarian0.75Other solutionsLLM-based MT engine
DeepL Next GenCatalan0.75Other solutionsLLM-based MT engine
DeepL Next GenNepali0.75Other solutionsLLM-based MT engine
DeepL Next GenGeorgian0.77Other solutionsLLM-based MT engine
DeepL Next GenTamil0.77Other solutionsLLM-based MT engine
DeepL Next GenLithuanian0.78Other solutionsLLM-based MT engine
DeepL Next GenBosnian0.81Other solutionsLLM-based MT engine
DeepL Next GenHungarian0.81Other solutionsLLM-based MT engine
DeepL Next GenTelugu0.82Other solutionsLLM-based MT engine
DeepL Next GenHausa0.83Other solutionsLLM-based MT engine
DeepL Next GenUkrainian0.83Other solutionsLLM-based MT engine
DeepL Next GenBasque0.85Other solutionsLLM-based MT engine
DeepL Next GenJavanese0.85Other solutionsLLM-based MT engine
Google Translation LLMBurmese0.85Other solutionsLLM-based MT engine
DeepL Next GenArabic (MSA)0.86Other solutionsLLM-based MT engine
DeepL Next GenMarathi0.86Other solutionsLLM-based MT engine
DeepL Next GenIrish0.87Other solutionsLLM-based MT engine
DeepL Next GenBengali0.89Other solutionsLLM-based MT engine
Google Translation LLMTajik0.89Other solutionsLLM-based MT engine
Google Translation LLMPunjabi0.9Other solutionsLLM-based MT engine
DeepL Next GenHindi0.91Other solutionsLLM-based MT engine
Google Translation LLMMongolian0.91Other solutionsLLM-based MT engine
DeepL Next GenHebrew0.94Other solutionsLLM-based MT engine
DeepL Next GenChinese Simplified0.94Other solutionsLLM-based MT engine
DeepL Next GenAssamese1.01Other solutionsLLM-based MT engine
DeepL Next GenJapanese1.01Other solutionsLLM-based MT engine
ModernMT Enterprise EditionSerbian1.01Other solutionsMT engine
DeepL Next GenBulgarian1.02Other solutionsLLM-based MT engine
Amazon TranslateDutch1.05Other solutionsMT engine
DeepL Next GenGujarati1.06Other solutionsLLM-based MT engine
DeepL Next GenRussian1.07Other solutionsLLM-based MT engine
Translated Lara 2Danish1.09Other solutionsLLM-based MT engine
DeepL Next GenPunjabi1.1Other solutionsLLM-based MT engine
Translated Lara 2Indonesian1.13Other solutionsLLM-based MT engine
DeepL Next GenItalian1.14Other solutionsLLM-based MT engine
Translated Lara 2Swedish1.16Other solutionsLLM-based MT engine
DeepL Next GenMongolian1.17Other solutionsLLM-based MT engine
Translated Lara 2Galician1.18Other solutionsLLM-based MT engine
DeepL Next GenMalayalam1.18Other solutionsLLM-based MT engine
Translated Lara 2Korean1.2Other solutionsLLM-based MT engine
Amazon TranslateItalian1.21Other solutionsMT engine
Translated Lara 2Croatian1.24Other solutionsLLM-based MT engine
Translated Lara 2Slovenian1.25Other solutionsLLM-based MT engine
Translated Lara 2Bosnian1.26Other solutionsLLM-based MT engine
DeepL Next GenThai1.26Other solutionsLLM-based MT engine
Amazon TranslateGerman1.3Other solutionsMT engine
DeepL Next GenGreek1.3Other solutionsLLM-based MT engine
Amazon TranslateFrench1.3Other solutionsMT engine
DeepL Next GenPashto1.3Other solutionsLLM-based MT engine
Translated Lara 2Serbian1.3Other solutionsLLM-based MT engine
Translated Lara 2Russian1.32Other solutionsLLM-based MT engine
Translated Lara 2Afrikaans1.33Other solutionsLLM-based MT engine
Translated Lara 2Czech1.34Other solutionsLLM-based MT engine
Translated Lara 2Polish1.34Other solutionsLLM-based MT engine
Translated Lara 2Vietnamese1.34Other solutionsLLM-based MT engine
Google Translation LLMAmharic1.36Other solutionsLLM-based MT engine
OpenAI gpt-oss-120bDutch1.36Other solutionsOpen-weight LLM
Translated Lara 2Turkish1.36Other solutionsLLM-based MT engine
Translated Lara 2Slovak1.37Other solutionsLLM-based MT engine
Translated Lara 2Romanian1.38Other solutionsLLM-based MT engine
Translated Lara 2Farsi1.42Other solutionsLLM-based MT engine
Translated Lara 2Ukrainian1.44Other solutionsLLM-based MT engine
Translated Lara 2Hungarian1.45Other solutionsLLM-based MT engine
Translated Lara 2Macedonian1.45Other solutionsLLM-based MT engine
Amazon TranslateKorean1.48Other solutionsMT engine
Google Translation LLMKyrgyz1.48Other solutionsLLM-based MT engine
Translated Lara 2Albanian1.5Other solutionsLLM-based MT engine
Amazon TranslateSpanish (European)1.52Other solutionsMT engine
Translated Lara 2Tagalog1.52Other solutionsLLM-based MT engine
Translated Lara 2Latvian1.58Other solutionsLLM-based MT engine
Translated Lara 2Irish1.61Other solutionsLLM-based MT engine
OpenAI gpt-oss-120bFrench1.65Other solutionsOpen-weight LLM
Translated Lara 2Urdu1.72Other solutionsLLM-based MT engine
DeepL Next GenYiddish1.75Other solutionsLLM-based MT engine
Amazon TranslateJapanese1.79Other solutionsMT engine
Translated Lara 2Georgian1.8Other solutionsLLM-based MT engine
Translated Lara 2Thai1.8Other solutionsLLM-based MT engine
Translated Lara 2Belarusian1.84Other solutionsLLM-based MT engine
DeepL Next GenNorwegian1.84Other solutionsLLM-based MT engine
OpenAI gpt-oss-120bIndonesian1.85Other solutionsOpen-weight LLM
OpenAI gpt-oss-120bMalay1.88Other solutionsOpen-weight LLM
DeepL Next GenChinese Traditional1.97Other solutionsLLM-based MT engine
DeepL Next GenSpanish (European)2Other solutionsLLM-based MT engine
Translated Lara 2Hindi2Other solutionsLLM-based MT engine
OpenAI gpt-oss-120bArabic (MSA)2.01Other solutionsOpen-weight LLM
OpenAI gpt-oss-120bCatalan2.07Other solutionsOpen-weight LLM
Translated Lara 2Marathi2.12Other solutionsLLM-based MT engine
Translated Lara 2Tatar2.22Other solutionsLLM-based MT engine
Translated Lara 2Mongolian2.23Other solutionsLLM-based MT engine
Translated Lara 2Tajik2.26Other solutionsLLM-based MT engine
OpenAI gpt-oss-120bPashto2.3Other solutionsOpen-weight LLM
Translated Lara 2Kannada2.32Other solutionsLLM-based MT engine
Translated Lara 2Telugu2.38Other solutionsLLM-based MT engine
OpenAI gpt-oss-120bNorwegian2.39Other solutionsOpen-weight LLM
OpenAI gpt-oss-120bHebrew2.42Other solutionsOpen-weight LLM
Translated Lara 2Tamil2.55Other solutionsLLM-based MT engine
OpenAI gpt-oss-120bWelsh2.57Other solutionsOpen-weight LLM
Translated Lara 2Punjabi2.62Other solutionsLLM-based MT engine
OpenAI gpt-oss-120bBulgarian2.7Other solutionsOpen-weight LLM
Translated Lara 2Malayalam2.82Other solutionsLLM-based MT engine
OpenAI gpt-oss-120bTatar2.85Other solutionsOpen-weight LLM
Elia Machine Translation SystemSpanish (European)2.96Other solutionsMT engine
Yandex Cloud Translate v2Russian3.92Other solutionsMT engine
Yandex Cloud Translate v2Belarusian4.75Other solutionsMT engine
Translated Lara 2Amharic5.16Other solutionsLLM-based MT engine
Translated Lara 2Lao5.45Other solutionsLLM-based MT engine
Translated Lara 2Khmer6.26Other solutionsLLM-based MT engine
Translated Lara 2Sinhala6.38Other solutionsLLM-based MT engine
OpenAI GPT-5.6 LunaPortuguese (European)11.48Other solutionsLLM
OpenAI GPT-5.6 LunaGerman11.63Other solutionsLLM
Google Gemini 3.5 FlashIndonesian11.94Meet every requirementLLM
OpenAI GPT-5.6 LunaItalian12.09Other solutionsLLM
OpenAI GPT-5.6 LunaIndonesian12.1Meet every requirementLLM
OpenAI GPT-5.6 LunaNorwegian12.14Meet every requirementLLM
OpenAI GPT-5.6 LunaFrench12.28Other solutionsLLM
Google Translation LLMMarathi12.29Other solutionsLLM-based MT engine
OpenAI GPT-5.6 LunaMalay12.72Meet every requirementLLM
Google Gemini 3.5 FlashFrench12.89Other solutionsLLM
OpenAI GPT-5.6 LunaCatalan13.35Other solutionsLLM
Google Gemini 3.5 FlashCatalan13.45Other solutionsLLM
OpenAI GPT-4.1Swedish13.46Other solutionsLLM
Google Gemini 3.5 FlashMalay13.49Meet every requirementLLM
Google Gemini 3.5 FlashChinese Traditional13.49Other solutionsLLM
Google Gemini 3.5 FlashKorean14.13Other solutionsLLM
Google Gemini 3.5 FlashHindi14.22Other solutionsLLM
Google Gemini 3.5 FlashSerbian14.33Other solutionsLLM
OpenAI GPT-5.6 LunaSundanese14.43Other solutionsLLM
Google Gemini 3.5 FlashJapanese14.48Other solutionsLLM
OpenAI GPT-5.6 TerraChinese Simplified14.49Other solutionsLLM
OpenAI GPT-5.6 LunaBengali14.71Other solutionsLLM
OpenAI GPT-4.1Galician14.76Other solutionsLLM
OpenAI GPT-5.6 LunaGeorgian14.92Other solutionsLLM
Google Gemini 3.5 FlashBulgarian14.94Other solutionsLLM
Google Gemini 3.5 FlashCroatian14.96Other solutionsLLM
Google Gemini 3.5 FlashBosnian14.98Other solutionsLLM
OpenAI GPT-5.6 LunaSwahili15.07Other solutionsLLM
Google Gemini 3.5 FlashTurkish15.25Other solutionsLLM
OpenAI GPT-4.1Norwegian15.27Other solutionsLLM
OpenAI GPT-4.1French15.35Other solutionsLLM
Google Gemini 3.5 FlashSlovenian15.76Other solutionsLLM
Google Gemini 3.5 FlashPolish15.78Other solutionsLLM
OpenAI GPT-5.6 LunaKazakh15.82Other solutionsLLM
OpenAI GPT-5.6 LunaFarsi15.88Other solutionsLLM
OpenAI GPT-5.6 LunaUzbek15.93Other solutionsLLM
Google Gemini 3.5 FlashMacedonian15.98Other solutionsLLM
OpenAI GPT-4.1German16Other solutionsLLM
Google Gemini 3.5 FlashTagalog16Other solutionsLLM
Google Gemini 3.5 FlashGujarati16.05Other solutionsLLM
Google Gemini 3.5 FlashBelarusian16.08Other solutionsLLM
xAI Grok 4.20 (non-reasoning)Turkish16.33Other solutionsLLM
Google Gemini 3.5 FlashEstonian16.72Other solutionsLLM
OpenAI GPT-5.6 LunaIrish16.79Other solutionsLLM
Google Gemini 3.5 FlashGeorgian16.88Other solutionsLLM
OpenAI GPT-4.1Finnish16.92Other solutionsLLM
Google Gemini 3.5 FlashMarathi17.02Other solutionsLLM
OpenAI GPT-4.1Bosnian17.06Other solutionsLLM
Google Gemini 3.5 FlashSwahili17.06Other solutionsLLM
OpenAI GPT-5.6 TerraKorean17.09Other solutionsLLM
OpenAI GPT-5.6 LunaFrisian17.14Other solutionsLLM
Google Gemini 3.5 FlashFarsi17.17Other solutionsLLM
OpenAI GPT-5.6 LunaTelugu17.27Other solutionsLLM
Google Gemini 3.5 FlashTelugu17.41Other solutionsLLM
OpenAI GPT-5.6 TerraSpanish (European)17.45Meet every requirementLLM
Google Gemini 3.5 FlashKannada17.52Other solutionsLLM
Google Gemini 3.5 FlashMalayalam17.54Other solutionsLLM
OpenAI GPT-4.1Estonian17.6Other solutionsLLM
Google Gemini 3.5 FlashTamil17.64Other solutionsLLM
OpenAI GPT-4.1Arabic (MSA)17.77Other solutionsLLM
Google Gemini 3.5 FlashLatvian17.94Other solutionsLLM
Google Gemini 3.5 FlashFrisian18.04Other solutionsLLM
Google Gemini 3.5 FlashGreek18.09Other solutionsLLM
OpenAI GPT-5.6 LunaMongolian18.27Other solutionsLLM
OpenAI GPT-5.6 LunaHungarian18.29Other solutionsLLM
OpenAI GPT-5.6 LunaIcelandic18.43Other solutionsLLM
Google Gemini 3.5 FlashAzerbaijani18.5Other solutionsLLM
xAI Grok 4.20 (non-reasoning)Bosnian18.95Other solutionsLLM
OpenAI GPT-5.6 LunaWelsh18.98Other solutionsLLM
Google Gemini 3.5 FlashUzbek19.02Other solutionsLLM
Google Gemini 3.5 FlashKazakh19.11Other solutionsLLM
OpenAI GPT-5.6 LunaAssamese19.3Other solutionsLLM
OpenAI GPT-4.1Czech19.5Other solutionsLLM
OpenAI GPT-5.6 TerraJapanese19.56Other solutionsLLM
Google Gemini 3.5 FlashLithuanian19.74Other solutionsLLM
OpenAI GPT-4.1Russian19.74Other solutionsLLM
Google Gemini 3.5 FlashPashto20.01Other solutionsLLM
OpenAI GPT-4.1Turkish20.48Other solutionsLLM
xAI Grok 4.20 (non-reasoning)Frisian20.56Other solutionsLLM
OpenAI GPT-4.1Malay20.6Other solutionsLLM
xAI Grok 4.20 (non-reasoning)Lithuanian21.06Other solutionsLLM
Google Gemini 3.5 FlashSesotho21.09Other solutionsLLM
OpenAI GPT-4.1Latvian21.53Other solutionsLLM
OpenAI GPT-4.1Danish21.64Other solutionsLLM
OpenAI GPT-4.1Nepali21.73Other solutionsLLM
Google Gemini 3.5 FlashKyrgyz21.83Other solutionsLLM
OpenAI GPT-4.1Indonesian21.92Meet every requirementLLM
OpenAI GPT-4.1Swahili22.11Other solutionsLLM
OpenAI GPT-4.1Ukrainian22.73Other solutionsLLM
OpenAI GPT-5.6 TerraPolish22.86Other solutionsLLM
xAI Grok 4.20 (non-reasoning)Uzbek23.1Other solutionsLLM
Google Gemini 3.5 FlashLao23.28Other solutionsLLM
OpenAI GPT-5.6 LunaSinhala23.33Other solutionsLLM
Google Gemini 3.5 FlashTajik23.48Other solutionsLLM
OpenAI GPT-4.1Armenian23.57Other solutionsLLM
OpenAI GPT-4.1Catalan23.75Other solutionsLLM
OpenAI GPT-5.6 TerraSwedish23.79Other solutionsLLM
OpenAI GPT-4.1Greek23.9Other solutionsLLM
xAI Grok 4.20 (non-reasoning)Kurdish (Kurmanji)23.99Other solutionsLLM
OpenAI GPT-4.1Belarusian24.18Other solutionsLLM
OpenAI GPT-4.1Hungarian24.55Other solutionsLLM
Google Gemini 3.5 FlashPunjabi24.58Other solutionsLLM
OpenAI GPT-5.6 TerraDanish24.67Meet every requirementLLM
Google Gemini 3.5 FlashBurmese24.81Other solutionsLLM
OpenAI GPT-4.1Marathi24.84Other solutionsLLM
OpenAI GPT-4.1Slovenian25.48Other solutionsLLM
OpenAI GPT-4.1Albanian25.8Other solutionsLLM
Cohere Command A TranslateChinese Simplified25.8Other solutionsLLM
OpenAI GPT-5.6 TerraBulgarian25.99Meet every requirementLLM
OpenAI GPT-4.1Dutch26.35Other solutionsLLM
OpenAI GPT-4.1Farsi26.49Other solutionsLLM
xAI Grok 4.20 (non-reasoning)Kazakh26.74Other solutionsLLM
OpenAI GPT-5.6 LunaBurmese26.81Other solutionsLLM
OpenAI GPT-4.1Portuguese (European)26.93Other solutionsLLM
Cohere Command A TranslateSpanish (European)27.07Other solutionsLLM
OpenAI GPT-4.1Hindi27.56Other solutionsLLM
OpenAI GPT-5.6 TerraCzech27.7Meet every requirementLLM
Cohere Command A TranslatePortuguese (European)27.94Other solutionsLLM
Cohere Command A TranslateIndonesian28.17Other solutionsLLM
OpenAI GPT-4.1Croatian28.18Other solutionsLLM
Cohere Command A TranslateItalian28.23Other solutionsLLM
OpenAI GPT-5.6 TerraAfrikaans28.46Other solutionsLLM
OpenAI GPT-5.6 TerraSlovak28.54Other solutionsLLM
Cohere Command A TranslateFrench28.91Other solutionsLLM
OpenAI GPT-4.1Somali29.21Other solutionsLLM
Cohere Command A TranslateJapanese29.52Other solutionsLLM
Cohere Command A TranslateKorean29.72Other solutionsLLM
OpenAI GPT-5.6 TerraBosnian29.82Other solutionsLLM
Cohere Command A TranslateGerman29.87Other solutionsLLM
xAI Grok 4.20 (non-reasoning)Kyrgyz30.21Other solutionsLLM
OpenAI GPT-4.1Slovak30.25Other solutionsLLM
OpenAI GPT-4.1Kannada30.38Other solutionsLLM
Cohere Command A TranslateVietnamese30.48Other solutionsLLM
OpenAI GPT-5.6 TerraAlbanian30.89Other solutionsLLM
Mistral Medium 3.1Russian31.44Other solutionsLLM
OpenAI GPT-5.6 TerraMacedonian31.66Meet every requirementLLM
OpenAI GPT-5.6 LunaOdia (Oriya)31.78Other solutionsLLM
Cohere Command A TranslateArabic (MSA)32.25Other solutionsLLM
Cohere Command A TranslateCzech32.26Other solutionsLLM
MiniMax M2.5Chinese Traditional32.36Other solutionsLLM
Meta Llama 4 MaverickPortuguese (European)32.73Other solutionsOpen-weight LLM
Cohere Command A TranslateGalician32.89Other solutionsLLM
Anthropic Claude Haiku 4.5Serbian33.16Other solutionsLLM
Cohere Command A TranslateHebrew33.23Other solutionsLLM
Meta Llama 4 MaverickGerman33.42Other solutionsOpen-weight LLM
OpenAI GPT-5.6 TerraLatvian33.53Other solutionsLLM
OpenAI GPT-5.6 TerraTagalog33.57Other solutionsLLM
OpenAI GPT-4.1Romanian33.92Other solutionsLLM
OpenAI GPT-4.1Basque34.33Other solutionsLLM
Cohere Command A TranslateMalay34.44Other solutionsLLM
ALL-LabArabic (MSA)35.23Other solutionsMT engine
Mistral Large 3French35.5Other solutionsLLM
Anthropic Claude Haiku 4.5Afrikaans35.66Other solutionsLLM
OpenAI GPT-4.1Urdu35.7Other solutionsLLM
Widn AI Tower SugarloafChinese Simplified35.8Other solutionsLLM-based MT engine
Cohere Command A TranslateGreek36.12Other solutionsLLM
Anthropic Claude Sonnet 5French36.23Other solutionsLLM
Anthropic Claude Sonnet 5Indonesian36.76Other solutionsLLM
Cohere Command A TranslateDutch37.42Other solutionsLLM
Cohere Command A TranslateSundanese37.68Other solutionsLLM
OpenAI GPT-4.1Bulgarian38.09Other solutionsLLM
Translated Lara 2Odia (Oriya)38.16Other solutionsLLM-based MT engine
OpenAI GPT-4.1Sundanese38.29Other solutionsLLM
Mistral Medium 3.1Japanese38.62Other solutionsLLM
Anthropic Claude Sonnet 5German38.64Other solutionsLLM
Cohere Command A TranslateRomanian39.11Other solutionsLLM
Mistral Medium 3.1Polish39.48Other solutionsLLM
Cohere Command A TranslateUkrainian39.56Other solutionsLLM
OpenAI GPT-5.5Italian39.64Other solutionsLLM
Widn AI Tower SugarloafItalian39.68Other solutionsLLM-based MT engine
Swiss AI Apertus-8B-2509Chinese Simplified39.7Other solutionsOpen-weight LLM
OpenAI GPT-5.6 SolChinese Traditional39.83Other solutionsLLM
Anthropic Claude Sonnet 5Russian39.88Other solutionsLLM
DeepSeek V3.2German40.05Other solutionsLLM
OpenAI GPT-5.5Chinese Traditional40.2Other solutionsLLM
AI21 Jamba Large 1.7Spanish (European)40.44Other solutionsLLM
xAI Grok 4.20 (reasoning)Galician40.94Other solutionsLLM
Anthropic Claude Sonnet 5Swedish41.14Other solutionsLLM
xAI Grok 4.20 (non-reasoning)Yiddish41.77Other solutionsLLM
Widn AI Tower SugarloafPortuguese (European)41.83Other solutionsLLM-based MT engine
Cohere Command A TranslateCatalan42.06Other solutionsLLM
Anthropic Claude Sonnet 5Chinese Traditional42.16Other solutionsLLM
Widn AI Tower SugarloafJapanese42.24Other solutionsLLM-based MT engine
Mistral Large 3Russian42.28Other solutionsLLM
Anthropic Claude Sonnet 5Dutch42.39Other solutionsLLM
OpenAI GPT-4.1Icelandic42.43Other solutionsLLM
Anthropic Claude Sonnet 5Japanese42.69Other solutionsLLM
Widn AI Tower SugarloafSpanish (European)42.81Other solutionsLLM-based MT engine
Anthropic Claude Fable 5Chinese Simplified42.89Other solutionsLLM
Anthropic Claude Opus 4.8Spanish (European)43.14Other solutionsLLM
DeepSeek V3.2Danish43.2Other solutionsLLM
Anthropic Claude Sonnet 5Korean43.38Other solutionsLLM
OpenAI GPT-5.6 SolRomanian43.41Other solutionsLLM
Google Gemini 3.5 FlashVietnamese43.47Other solutionsLLM
DeepSeek V3.2Lithuanian43.51Other solutionsLLM
Anthropic Claude Fable 5Portuguese (European)43.91Other solutionsLLM
OpenAI GPT-5.6 SolRussian43.94Meet every requirementLLM
Anthropic Claude Sonnet 5Norwegian44.22Other solutionsLLM
Anthropic Claude Fable 5Russian44.24Other solutionsLLM
Mistral Large 3Chinese Simplified44.26Other solutionsLLM
xAI Grok 4.20 (reasoning)Hebrew45.22Other solutionsLLM
OpenAI GPT-5.5Turkish45.41Meet every requirementLLM
OpenAI GPT-5.5Russian45.72Other solutionsLLM
Anthropic Claude Opus 4.8French45.8Other solutionsLLM
Anthropic Claude Sonnet 5Catalan46.18Other solutionsLLM
Mistral Large 3Dutch46.51Other solutionsLLM
OpenAI GPT-4.1Wolof46.51Other solutionsLLM
OpenAI GPT-5.5French47.04Other solutionsLLM
OpenAI GPT-4.1Yiddish47.37Other solutionsLLM
OpenAI GPT-5.6 SolGalician47.71Meet every requirementLLM
xAI Grok 4.20 (reasoning)Catalan47.74Other solutionsLLM
Anthropic Claude Opus 4.8Chinese Simplified48.13Other solutionsLLM
OpenAI GPT-4.1Tajik48.23Other solutionsLLM
Anthropic Claude Sonnet 5Polish48.33Other solutionsLLM
Mistral Large 3Swedish48.38Other solutionsLLM
Widn AI Tower SugarloafPolish48.52Other solutionsLLM-based MT engine
Anthropic Claude Opus 4.8German48.65Other solutionsLLM
Anthropic Claude Fable 5Chinese Traditional48.84Other solutionsLLM
Anthropic Claude Fable 5French48.97Other solutionsLLM
Widn AI Tower SugarloafRomanian49.48Other solutionsLLM-based MT engine
OpenAI GPT-5.5Malay49.59Meet every requirementLLM
Cohere Command A TranslateSerbian49.71Other solutionsLLM
Anthropic Claude Opus 4.8Italian49.93Other solutionsLLM
Mistral Large 3Catalan49.97Other solutionsLLM
OpenAI GPT-5.5Norwegian50.18Meet every requirementLLM
OpenAI GPT-5.6 SolTurkish50.19Other solutionsLLM
xAI Grok 4.20 (reasoning)Dutch50.56Other solutionsLLM
Anthropic Claude Sonnet 5Arabic (MSA)50.57Other solutionsLLM
Mistral Large 3Danish50.64Other solutionsLLM
Anthropic Claude Sonnet 4.6Portuguese (European)50.73Other solutionsLLM
Anthropic Claude Sonnet 5Vietnamese50.8Other solutionsLLM
OpenAI GPT-5.5Swedish50.83Meet every requirementLLM
Widn AI Tower SugarloafHungarian51.2Other solutionsLLM-based MT engine
Anthropic Claude Sonnet 4.6Italian51.2Other solutionsLLM
Anthropic Claude Fable 5Japanese51.38Other solutionsLLM
OpenAI GPT-5.6 TerraKyrgyz51.38Other solutionsLLM
AI21 Jamba Large 1.7Javanese51.47Other solutionsLLM
Mistral Large 3Vietnamese51.47Other solutionsLLM
xAI Grok 4.20 (reasoning)Kinyarwanda51.58Other solutionsLLM
Mistral Large 3Romanian51.67Other solutionsLLM
Widn AI Tower SugarloafUkrainian52.14Other solutionsLLM-based MT engine
Mistral Large 3Malay52.37Other solutionsLLM
Anthropic Claude Fable 5Norwegian52.56Meet every requirementLLM
Anthropic Claude Fable 5Galician52.59Meet every requirementLLM
Anthropic Claude Fable 5Korean52.67Other solutionsLLM
xAI Grok 4.20 (reasoning)Afrikaans52.91Other solutionsLLM
Anthropic Claude Opus 4.8Japanese52.92Other solutionsLLM
Mistral Large 3Norwegian53.88Other solutionsLLM
Anthropic Claude Sonnet 5Ukrainian53.93Other solutionsLLM
OpenAI GPT-5.5Danish54.04Meet every requirementLLM
Google Gemini 3.5 FlashRussian54.16Other solutionsLLM
Anthropic Claude Opus 4.8Korean54.17Other solutionsLLM
OpenAI GPT-5.6 SolUkrainian54.25Other solutionsLLM
Anthropic Claude Opus 4.8Chinese Traditional54.55Other solutionsLLM
xAI Grok 4.20 (reasoning)Finnish54.82Other solutionsLLM
OpenAI GPT-5.5Slovenian54.95Meet every requirementLLM
Anthropic Claude Sonnet 5Bosnian55.18Other solutionsLLM
Mistral Large 3Chinese Traditional55.26Other solutionsLLM
Mistral Large 3Ukrainian55.35Other solutionsLLM
Anthropic Claude Opus 4.8Galician55.65Other solutionsLLM
Anthropic Claude Sonnet 5Serbian55.7Other solutionsLLM
Mistral Large 3Serbian55.81Other solutionsLLM
Anthropic Claude Sonnet 5Hindi55.84Other solutionsLLM
Anthropic Claude Opus 4.8Catalan56.83Other solutionsLLM
Anthropic Claude Sonnet 5Czech56.88Other solutionsLLM
Google Gemini 3.5 FlashNepali56.92Other solutionsLLM
Anthropic Claude Fable 5Turkish57.49Meet every requirementLLM
Google Gemini 3.5 FlashSlovak57.5Other solutionsLLM
Anthropic Claude Sonnet 5Afrikaans57.53Other solutionsLLM
Anthropic Claude Opus 4.8Norwegian57.56Meet every requirementLLM
Anthropic Claude Fable 5Arabic (MSA)57.8Meet every requirementLLM
DeepSeek V3.2Swahili57.86Other solutionsLLM
Google Gemini 3.5 FlashUrdu57.9Other solutionsLLM
OpenAI GPT-5.6 SolDutch58.07Meet every requirementLLM
Anthropic Claude Fable 5Tagalog58.13Other solutionsLLM
Google Gemini 3.5 FlashBengali58.24Other solutionsLLM
OpenAI GPT-5.6 SolThai58.31Other solutionsLLM
Google Gemini 3.5 FlashThai58.42Other solutionsLLM
Anthropic Claude Sonnet 4.6Romanian58.51Other solutionsLLM
Google Gemini 3.5 FlashSwedish58.68Other solutionsLLM
OpenAI GPT-4.1Welsh59.15Other solutionsLLM
DeepSeek V3.2Hungarian59.19Other solutionsLLM
OpenAI GPT-5.6 SolSerbian59.65Other solutionsLLM
Anthropic Claude Fable 5Romanian59.68Meet every requirementLLM
Mistral Large 3Hebrew59.85Other solutionsLLM
Google Gemini 3.5 FlashGalician59.88Meet every requirementLLM
Anthropic Claude Opus 4.8Polish59.95Other solutionsLLM
Anthropic Claude Fable 5Ukrainian60.03Other solutionsLLM
xAI Grok 4.20 (reasoning)Greek60.27Other solutionsLLM
Anthropic Claude Sonnet 4.6Malay60.35Other solutionsLLM
Google Gemini 3.5 FlashBasque60.4Other solutionsLLM
DeepSeek V3.2Gujarati60.44Other solutionsLLM
Anthropic Claude Fable 5Croatian60.6Meet every requirementLLM
Widn AI Tower SugarloafFinnish60.69Other solutionsLLM-based MT engine
Anthropic Claude Opus 4.8Danish60.91Other solutionsLLM
Anthropic Claude Fable 5Bosnian60.98Other solutionsLLM
xAI Grok 4.20 (reasoning)Spanish (European)61.46Other solutionsLLM
Google Gemini 3.5 FlashHungarian61.46Other solutionsLLM
OpenAI GPT-5.5Lithuanian61.54Other solutionsLLM
Mistral Large 3Lithuanian61.63Other solutionsLLM
Anthropic Claude Sonnet 4.6Polish61.68Other solutionsLLM
Google Gemini 3.5 FlashArabic (MSA)62.04Other solutionsLLM
Anthropic Claude Fable 5Serbian62.04Meet every requirementLLM
Anthropic Claude Sonnet 5Slovenian62.06Other solutionsLLM
OpenAI GPT-5.6 SolCroatian62.26Meet every requirementLLM
Anthropic Claude Sonnet 4.6Czech62.27Other solutionsLLM
Mistral Large 3Hindi62.47Other solutionsLLM
OpenAI GPT-5.5Uzbek62.85Other solutionsLLM
Anthropic Claude Fable 5Afrikaans62.89Other solutionsLLM
Anthropic Claude Fable 5Slovenian63.01Meet every requirementLLM
Anthropic Claude Fable 5Czech63.13Meet every requirementLLM
Anthropic Claude Opus 4.8Turkish63.16Other solutionsLLM
OpenAI GPT-5.5Catalan63.34Meet every requirementLLM
Mistral Large 3Czech63.38Other solutionsLLM
OpenAI GPT-5.6 TerraArmenian63.4Other solutionsLLM
Anthropic Claude Sonnet 5Bengali63.53Other solutionsLLM
xAI Grok 4.20 (reasoning)Welsh63.61Other solutionsLLM
Google Gemini 3.5 FlashFinnish63.61Other solutionsLLM
Anthropic Claude Sonnet 4.6Serbian63.63Other solutionsLLM
Anthropic Claude Sonnet 4.6Korean64.3Other solutionsLLM
DeepSeek V3.2Burmese64.57Other solutionsLLM
Google Gemini 3.1 Pro PreviewVietnamese64.61Other solutionsLLM
DeepSeek V3.2Armenian64.62Other solutionsLLM
Mistral Medium 3.1Indonesian64.66Other solutionsLLM
DeepSeek V3.2Slovenian64.82Other solutionsLLM
Google Gemini 3.1 Pro PreviewChinese Traditional64.89Other solutionsLLM
OpenAI GPT-5.5Croatian64.93Meet every requirementLLM
Google Gemini 3.1 Pro PreviewChinese Simplified65.32Other solutionsLLM
OpenAI GPT-5.5Dutch65.33Other solutionsLLM
Anthropic Claude Fable 5Slovak65.82Meet every requirementLLM
Anthropic Claude Fable 5Hindi65.83Other solutionsLLM
Anthropic Claude Sonnet 4.6Croatian66Other solutionsLLM
xAI Grok 4.20 (reasoning)Cebuano66.27Other solutionsLLM
Anthropic Claude Sonnet 5Bulgarian66.49Other solutionsLLM
Google Gemini 3.5 FlashAlbanian66.55Other solutionsLLM
OpenAI GPT-5.6 SolFinnish66.69Meet every requirementLLM
Anthropic Claude Opus 4.8Vietnamese66.82Meet every requirementLLM
Google Gemini 3.5 FlashSinhala67.04Other solutionsLLM
OpenAI GPT-5.5Arabic (MSA)67.15Meet every requirementLLM
Anthropic Claude Sonnet 4.6Slovak67.23Other solutionsLLM
Anthropic Claude Fable 5Vietnamese67.52Meet every requirementLLM
Anthropic Claude Sonnet 4.6Slovenian67.79Other solutionsLLM
Google Gemini 3.1 Pro PreviewFarsi68.09Meet every requirementLLM
Google Gemini 3.5 FlashAmharic68.11Other solutionsLLM
Anthropic Claude Fable 5Bulgarian68.23Meet every requirementLLM
OpenAI GPT-5.5Serbian68.3Other solutionsLLM
OpenAI GPT-5.5Latvian68.41Other solutionsLLM
Anthropic Claude Fable 5Swahili68.46Other solutionsLLM
Anthropic Claude Opus 4.8Hindi68.8Other solutionsLLM
Anthropic Claude Sonnet 5Estonian69.31Other solutionsLLM
DeepSeek V3.2Odia (Oriya)69.95Other solutionsLLM
Google Gemini 3.5 FlashAfrikaans70.02Other solutionsLLM
Anthropic Claude Sonnet 4.6Afrikaans70.13Other solutionsLLM
Anthropic Claude Opus 4.8Czech70.26Meet every requirementLLM
OpenAI GPT-5.5Tagalog70.75Other solutionsLLM
Mistral Large 3Icelandic71.05Other solutionsLLM
Anthropic Claude Sonnet 4.6Ukrainian71.38Other solutionsLLM
Google Gemini 3.1 Pro PreviewCatalan71.54Meet every requirementLLM
OpenAI GPT-5.6 SolSlovenian71.67Other solutionsLLM
Anthropic Claude Fable 5Bengali71.98Meet every requirementLLM
Google Gemini 3.1 Pro PreviewArabic (MSA)72.18Other solutionsLLM
OpenAI GPT-5.5Hungarian72.48Other solutionsLLM
Google Gemini 3.1 Pro PreviewSpanish (European)72.79Meet every requirementLLM
OpenAI GPT-5.5Macedonian72.81Meet every requirementLLM
Anthropic Claude Sonnet 4.6Tagalog74.01Other solutionsLLM
Anthropic Claude Sonnet 4.6Turkish74.32Other solutionsLLM
Anthropic Claude Fable 5Hungarian74.35Meet every requirementLLM
OpenAI GPT-5.5Azerbaijani74.4Meet every requirementLLM
Anthropic Claude Fable 5Latvian74.55Other solutionsLLM
Anthropic Claude Sonnet 5Macedonian74.63Other solutionsLLM
Anthropic Claude Sonnet 4.6Vietnamese74.63Other solutionsLLM
xAI Grok 4.20 (reasoning)Irish74.79Other solutionsLLM
Google Gemini 3.5 FlashOdia (Oriya)75.25Other solutionsLLM
DeepSeek V3.2Malayalam75.3Other solutionsLLM
Google Gemini 3.1 Pro PreviewIndonesian75.58Meet every requirementLLM
OpenAI GPT-5.5Finnish75.62Other solutionsLLM
Mistral Large 3Tagalog75.66Other solutionsLLM
Anthropic Claude Sonnet 4.6Bulgarian75.69Other solutionsLLM
Google Gemini 3.1 Pro PreviewBengali75.73Other solutionsLLM
Mistral Large 3Bengali75.8Other solutionsLLM
Anthropic Claude Fable 5Lithuanian76.16Other solutionsLLM
Google Gemini 3.1 Pro PreviewTamil77.04Other solutionsLLM
Google Gemini 3.1 Pro PreviewThai77.14Other solutionsLLM
Anthropic Claude Fable 5Farsi77.46Other solutionsLLM
OpenAI GPT-5.6 TerraYiddish77.56Other solutionsLLM
DeepSeek V3.2Lao77.61Other solutionsLLM
Google Gemini 3.1 Pro PreviewTagalog77.66Other solutionsLLM
Mistral Large 3Thai78.27Other solutionsLLM
Anthropic Claude Sonnet 5Marathi78.42Other solutionsLLM
Anthropic Claude Opus 4.8Slovenian78.5Other solutionsLLM
Google Gemini 3.1 Pro PreviewHindi78.55Other solutionsLLM
Anthropic Claude Sonnet 4.6Sundanese78.75Other solutionsLLM
OpenAI GPT-5.6 SolEstonian78.84Meet every requirementLLM
OpenAI GPT-5.6 TerraKannada79.03Other solutionsLLM
Anthropic Claude Fable 5Macedonian79.11Meet every requirementLLM
Anthropic Claude Sonnet 5Urdu79.23Other solutionsLLM
Google Gemini 3.1 Pro PreviewGerman79.3Meet every requirementLLM
Anthropic Claude Fable 5Estonian79.4Other solutionsLLM
Anthropic Claude Sonnet 5Albanian79.73Other solutionsLLM
Google Gemini 3.5 FlashWelsh80.11Other solutionsLLM
Mistral Large 3Nepali80.12Other solutionsLLM
OpenAI GPT-5.5Sundanese80.34Other solutionsLLM
OpenAI GPT-5.5Farsi80.86Other solutionsLLM
Google Gemini 3.1 Pro PreviewBulgarian81.57Meet every requirementLLM
Google Gemini 3.1 Pro PreviewCebuano81.67Other solutionsLLM
Google Gemini 3.1 Pro PreviewSlovenian81.75Other solutionsLLM
OpenAI GPT-5.6 SolHebrew81.8Other solutionsLLM
Google Gemini 3.1 Pro PreviewItalian81.8Other solutionsLLM
Google Gemini 3.1 Pro PreviewSinhala81.91Other solutionsLLM
Mistral Large 3Marathi81.92Other solutionsLLM
Anthropic Claude Sonnet 4.6Estonian82.03Other solutionsLLM
OpenAI GPT-5.5Afrikaans82.14Other solutionsLLM
Google Gemini 3.1 Pro PreviewSwedish82.3Meet every requirementLLM
Google Gemini 3.1 Pro PreviewUkrainian82.61Meet every requirementLLM
Anthropic Claude Opus 4.8Bengali82.7Other solutionsLLM
Google Gemini 3.1 Pro PreviewUrdu83.95Other solutionsLLM
Google Gemini 3.1 Pro PreviewLao84.08Other solutionsLLM
Google Gemini 3.1 Pro PreviewHebrew84.11Other solutionsLLM
Anthropic Claude Fable 5Cebuano84.38Other solutionsLLM
Google Gemini 3.1 Pro PreviewCroatian84.47Meet every requirementLLM
Google Gemini 3.1 Pro PreviewNorwegian84.85Meet every requirementLLM
Anthropic Claude Sonnet 5Welsh85.09Other solutionsLLM
Anthropic Claude Fable 5Albanian85.18Meet every requirementLLM
Mistral Large 3Kannada85.37Other solutionsLLM
Google Gemini 3.1 Pro PreviewSwahili85.49Other solutionsLLM
Google Gemini 3.1 Pro PreviewBasque85.52Other solutionsLLM
Anthropic Claude Sonnet 5Thai85.52Other solutionsLLM
Google Gemini 3.1 Pro PreviewCzech85.53Other solutionsLLM
OpenAI GPT-5.6 SolAzerbaijani85.76Other solutionsLLM
Anthropic Claude Fable 5Hebrew85.9Meet every requirementLLM
Google Gemini 3.1 Pro PreviewKannada86.61Other solutionsLLM
Anthropic Claude Sonnet 4.6Arabic (MSA)86.62Other solutionsLLM
Anthropic Claude Sonnet 5Nepali86.64Other solutionsLLM
Mistral Large 3Telugu86.8Other solutionsLLM
Google Gemini 3.1 Pro PreviewDanish86.82Other solutionsLLM
Google Gemini 3.1 Pro PreviewSlovak87.02Meet every requirementLLM
Anthropic Claude Sonnet 4.6Latvian87.08Other solutionsLLM
Anthropic Claude Opus 4.8Bulgarian87.12Other solutionsLLM
DeepSeek V3.2Sinhala87.13Other solutionsLLM
OpenAI GPT-5.6 SolBasque87.24Other solutionsLLM
Anthropic Claude Fable 5Uzbek87.41Other solutionsLLM
Google Gemini 3.5 FlashArmenian87.67Other solutionsLLM
Google Gemini 3.1 Pro PreviewNepali87.68Other solutionsLLM
Google Gemini 3.1 Pro PreviewFrisian87.95Other solutionsLLM
OpenAI GPT-5.5Mongolian87.98Other solutionsLLM
DeepSeek V3.2Frisian88.13Other solutionsLLM
Anthropic Claude Fable 5Basque88.41Other solutionsLLM
Google Gemini 3.1 Pro PreviewHungarian88.92Other solutionsLLM
Google Gemini 3.1 Pro PreviewIcelandic88.96Other solutionsLLM
Anthropic Claude Opus 4.8Sundanese89.05Other solutionsLLM
OpenAI GPT-5.5Basque89.19Other solutionsLLM
Anthropic Claude Fable 5Azerbaijani89.58Other solutionsLLM
OpenAI GPT-5.5Icelandic89.64Other solutionsLLM
Google Gemini 3.1 Pro PreviewKorean89.83Other solutionsLLM
Anthropic Claude Opus 4.8Icelandic90.06Other solutionsLLM
Google Gemini 3.1 Pro PreviewFinnish90.56Other solutionsLLM
Anthropic Claude Fable 5Welsh91.16Meet every requirementLLM
Google Gemini 3.1 Pro PreviewRomanian91.52Other solutionsLLM
Mistral Large 3Punjabi91.7Other solutionsLLM
Google Gemini 3.1 Pro PreviewDutch92.13Other solutionsLLM
Google Gemini 3.1 Pro PreviewTatar92.18Other solutionsLLM
Google Gemini 3.1 Pro PreviewAmharic92.55Other solutionsLLM
OpenAI GPT-5.5Hausa92.89Other solutionsLLM
Anthropic Claude Fable 5Marathi92.98Other solutionsLLM
Google Gemini 3.1 Pro PreviewFrench94.21Other solutionsLLM
Anthropic Claude Fable 5Greek94.51Meet every requirementLLM
xAI Grok 4.20 (reasoning)Albanian94.79Other solutionsLLM
Anthropic Claude Opus 4.8Estonian95.3Other solutionsLLM
Anthropic Claude Opus 4.8Hungarian95.47Other solutionsLLM
Anthropic Claude Opus 4.8Latvian95.72Other solutionsLLM
Anthropic Claude Fable 5Belarusian95.74Meet every requirementLLM
Anthropic Claude Fable 5Nepali95.81Other solutionsLLM
xAI Grok 4.20 (reasoning)Estonian95.94Other solutionsLLM
Google Gemini 3.1 Pro PreviewTelugu96.17Other solutionsLLM
OpenAI GPT-5.5Cebuano96.27Other solutionsLLM
OpenAI GPT-5.5Tajik96.49Other solutionsLLM
Google Gemini 3.1 Pro PreviewMacedonian96.62Meet every requirementLLM
Google Gemini 3.1 Pro PreviewWelsh96.79Other solutionsLLM
Google Gemini 3.1 Pro PreviewKyrgyz96.8Other solutionsLLM
Google Gemini 3.1 Pro PreviewBelarusian96.84Meet every requirementLLM
Anthropic Claude Fable 5Urdu96.95Other solutionsLLM
Google Gemini 3.1 Pro PreviewMarathi97.33Other solutionsLLM
Google Gemini 3.1 Pro PreviewMongolian97.85Other solutionsLLM
Google Gemini 3.1 Pro PreviewTurkish97.86Meet every requirementLLM
OpenAI GPT-5.5Greek97.92Meet every requirementLLM
Google Gemini 3.1 Pro PreviewLatvian98.23Other solutionsLLM
Google Gemini 3.1 Pro PreviewJapanese98.78Other solutionsLLM
Google Gemini 3.1 Pro PreviewLithuanian99.23Other solutionsLLM
Anthropic Claude Sonnet 4.6Hebrew100.01Other solutionsLLM
Anthropic Claude Opus 4.8Frisian100.39Other solutionsLLM
Alibaba Qwen3-235B-A22BItalian100.74Other solutionsOpen-weight LLM
OpenAI GPT-5.6 SolHausa101.33Other solutionsLLM
Alibaba Qwen3-235B-A22BPortuguese (European)101.33Other solutionsOpen-weight LLM
Anthropic Claude Sonnet 4.6Farsi101.37Other solutionsLLM
Anthropic Claude Sonnet 4.6Urdu101.72Other solutionsLLM
Google Gemini 3.1 Pro PreviewAlbanian102.63Other solutionsLLM
Google Gemini 3.1 Pro PreviewBosnian103.14Meet every requirementLLM
Google Gemini 3.1 Pro PreviewKazakh103.14Other solutionsLLM
Anthropic Claude Fable 5Thai103.32Other solutionsLLM
Google Gemini 3.1 Pro PreviewGeorgian103.67Other solutionsLLM
Google Gemini 3.1 Pro PreviewTajik103.85Other solutionsLLM
OpenAI GPT-5.5Kyrgyz104.1Other solutionsLLM
Anthropic Claude Sonnet 4.6Bengali104.2Other solutionsLLM
Google Gemini 3.1 Pro PreviewGujarati104.38Other solutionsLLM
Google Gemini 3.1 Pro PreviewAssamese104.46Other solutionsLLM
Anthropic Claude Fable 5Irish104.75Other solutionsLLM
Anthropic Claude Opus 4.8Basque105.08Other solutionsLLM
Google Gemini 3.1 Pro PreviewRussian105.64Other solutionsLLM
Google Gemini 3.5 FlashIrish105.78Other solutionsLLM
OpenAI GPT-5.5Kazakh108.21Other solutionsLLM
Anthropic Claude Sonnet 4.6Kazakh108.57Other solutionsLLM
Anthropic Claude Opus 4.8Uzbek108.7Other solutionsLLM
Anthropic Claude Fable 5Kazakh108.96Other solutionsLLM
OpenAI GPT-5.5Tatar109.51Other solutionsLLM
Google Gemini 3.1 Pro PreviewBurmese111.12Other solutionsLLM
Google Gemini 3.1 Pro PreviewEstonian111.75Other solutionsLLM
OpenAI GPT-5.5Pashto112.01Other solutionsLLM
OpenAI GPT-5.5Shona112.26Other solutionsLLM
xAI Grok 4.20 (reasoning)Kannada112.34Other solutionsLLM
Anthropic Claude Opus 4.8Kurdish (Kurmanji)113.18Other solutionsLLM
Google Gemini 3.1 Pro PreviewSerbian113.5Other solutionsLLM
OpenAI GPT-5.6 SolBelarusian113.77Meet every requirementLLM
Anthropic Claude Sonnet 4.6Belarusian114.25Other solutionsLLM
OpenAI GPT-5.5Urdu114.36Other solutionsLLM
Google Gemma 4Indonesian115.12Meet every requirementOpen-weight LLM
Google Gemini 3.1 Pro PreviewIrish115.29Other solutionsLLM
Anthropic Claude Fable 5Assamese117.04Other solutionsLLM
OpenAI GPT-5.5Nepali118.31Meet every requirementLLM
Anthropic Claude Fable 5Tajik118.33Other solutionsLLM
Anthropic Claude Opus 4.8Thai119.18Other solutionsLLM
Google Gemini 3.1 Pro PreviewMalayalam119.31Other solutionsLLM
OpenAI GPT-5.5Scottish Gaelic119.5Other solutionsLLM
Google Gemini 3.1 Pro PreviewArmenian119.84Other solutionsLLM
OpenAI GPT-5.6 SolTajik119.95Other solutionsLLM
OpenAI GPT-5.5Georgian120.16Other solutionsLLM
z.ai GLM-5Chinese Simplified120.43Other solutionsLLM
OpenAI GPT-5.5Marathi121.46Other solutionsLLM
OpenAI GPT-5.5Welsh123.1Other solutionsLLM
Google Gemini 3.1 Pro PreviewPashto123.87Other solutionsLLM
Anthropic Claude Sonnet 4.6Tajik124.14Other solutionsLLM
Mistral Large 3Gujarati124.43Other solutionsLLM
Anthropic Claude Fable 5Kyrgyz124.63Other solutionsLLM
Anthropic Claude Sonnet 4.6Georgian125.14Other solutionsLLM
Anthropic Claude Opus 4.8Irish126.26Other solutionsLLM
OpenAI GPT-5.5Frisian127.84Other solutionsLLM
Anthropic Claude Fable 5Tatar128.17Other solutionsLLM
OpenAI GPT-5.6 SolUrdu128.48Other solutionsLLM
Google Gemini 3.1 Pro PreviewOdia (Oriya)128.76Other solutionsLLM
Anthropic Claude Opus 4.8Kazakh129.58Other solutionsLLM
Google Gemma 4Norwegian130.11Other solutionsOpen-weight LLM
xAI Grok 4.20 (reasoning)Odia (Oriya)130.58Other solutionsLLM
OpenAI GPT-5.6 SolHindi131.27Other solutionsLLM
OpenAI GPT-5.6 SolPashto131.28Other solutionsLLM
OpenAI GPT-5.5Gujarati132.24Other solutionsLLM
Google Gemma 4Thai132.59Other solutionsOpen-weight LLM
Anthropic Claude Fable 5Pashto134.21Other solutionsLLM
Google Gemma 4Vietnamese134.35Other solutionsOpen-weight LLM
OpenAI GPT-5.6 SolYiddish135.25Other solutionsLLM
Anthropic Claude Fable 5Tamil135.39Other solutionsLLM
Google Gemini 3.1 Pro PreviewPunjabi135.46Other solutionsLLM
Google Gemini 3.1 Pro PreviewUzbek135.55Other solutionsLLM
Google Gemini 3.1 Pro PreviewScottish Gaelic135.78Other solutionsLLM
OpenAI GPT-5.6 SolNepali137.66Other solutionsLLM
z.ai GLM-5Chinese Traditional137.97Other solutionsLLM
Google Gemma 4Bosnian138.24Other solutionsOpen-weight LLM
Google Gemini 3.1 Pro PreviewGreek138.74Meet every requirementLLM
Anthropic Claude Fable 5Mongolian140.6Other solutionsLLM
OpenAI GPT-5.6 SolGreek141.29Meet every requirementLLM
Anthropic Claude Opus 4.8Tajik142.93Other solutionsLLM
Google Gemma 4Farsi143.85Other solutionsOpen-weight LLM
OpenAI GPT-5.5Bengali144.3Meet every requirementLLM
z.ai GLM-5Galician145.48Other solutionsLLM
Anthropic Claude Opus 4.8Assamese145.83Other solutionsLLM
OpenAI GPT-5.5Malayalam146.02Other solutionsLLM
Anthropic Claude Sonnet 5Telugu146.14Other solutionsLLM
Google Gemma 4Marathi147.67Other solutionsOpen-weight LLM
Anthropic Claude Opus 4.8Kyrgyz147.72Other solutionsLLM
Google Gemma 4Croatian148.02Other solutionsOpen-weight LLM
Anthropic Claude Sonnet 5Tamil148.15Other solutionsLLM
Google Gemma 4Hindi148.41Other solutionsOpen-weight LLM
Anthropic Claude Opus 4.8Tatar149.21Other solutionsLLM
Google Gemma 4Khmer154.43Other solutionsOpen-weight LLM
Google Gemma 4Korean156.7Other solutionsOpen-weight LLM
z.ai GLM-5Swedish157.27Other solutionsLLM
OpenAI GPT-5.5Tamil159.1Other solutionsLLM
OpenAI GPT-5.5Armenian159.13Other solutionsLLM
MoonshotAI Kimi K2.5Slovak160.19Other solutionsLLM
Google Gemma 4Afrikaans161.41Other solutionsOpen-weight LLM
OpenAI GPT-5.5Kannada161.87Other solutionsLLM
Anthropic Claude Sonnet 4.6Khmer162.89Other solutionsLLM
Google Gemma 4Bengali164.73Other solutionsOpen-weight LLM
OpenAI GPT-5.5Telugu164.75Other solutionsLLM
Anthropic Claude Opus 4.8Finnish165.21Other solutionsLLM
Anthropic Claude Opus 4.8Mongolian166.04Other solutionsLLM
MoonshotAI Kimi K2.5Galician166.19Other solutionsLLM
Google Gemma 4Russian166.43Other solutionsOpen-weight LLM
OpenAI GPT-5.5Yiddish166.72Other solutionsLLM
OpenAI GPT-5.5Irish168.09Other solutionsLLM
Google Gemma 4Urdu169.21Other solutionsOpen-weight LLM
Anthropic Claude Opus 4.8Tamil170.53Other solutionsLLM
OpenAI GPT-5.6 SolMalayalam171.48Other solutionsLLM
Google Gemini 3.1 Pro PreviewPolish171.56Other solutionsLLM
z.ai GLM-5Romanian171.61Other solutionsLLM
Anthropic Claude Sonnet 5Amharic172.41Other solutionsLLM
Google Gemma 4Malayalam172.45Other solutionsOpen-weight LLM
OpenAI GPT-5.6 SolGujarati173.62Other solutionsLLM
Anthropic Claude Fable 5Yiddish173.85Other solutionsLLM
Anthropic Claude Opus 4.8Telugu174.01Other solutionsLLM
OpenAI GPT-5.6 SolMarathi175.06Other solutionsLLM
OpenAI GPT-5.5Assamese175.53Other solutionsLLM
Anthropic Claude Fable 5Telugu175.53Other solutionsLLM
Anthropic Claude Sonnet 4.6Lao176.44Other solutionsLLM
Google Gemma 4Gujarati177.25Other solutionsOpen-weight LLM
Google Gemma 4Azerbaijani178.72Other solutionsOpen-weight LLM
Google Gemma 4Amharic179.57Other solutionsOpen-weight LLM
Google Gemma 4Assamese181.33Other solutionsOpen-weight LLM
Google Gemma 4Punjabi182.23Other solutionsOpen-weight LLM
z.ai GLM-5Indonesian184.37Meet every requirementLLM
Google Gemma 4Telugu185.17Other solutionsOpen-weight LLM
Google Gemma 4Tagalog185.41Other solutionsOpen-weight LLM
Google Gemma 4Swahili186.33Other solutionsOpen-weight LLM
MoonshotAI Kimi K2.5Chinese Traditional187.23Other solutionsLLM
Google Gemma 4Sinhala187.91Other solutionsOpen-weight LLM
Google Gemma 4Tamil192.53Other solutionsOpen-weight LLM
Google Gemma 4Macedonian193.63Other solutionsOpen-weight LLM
z.ai GLM-5Farsi194.43Other solutionsLLM
MoonshotAI Kimi K2.5Dutch194.72Other solutionsLLM
Google Gemma 4Kannada194.82Other solutionsOpen-weight LLM
Google Gemma 4Albanian195.19Other solutionsOpen-weight LLM
Google Gemma 4Arabic (MSA)197.14Other solutionsOpen-weight LLM
Google Gemma 4Turkish198.97Other solutionsOpen-weight LLM
Google Gemma 4Italian199.5Other solutionsOpen-weight LLM
Anthropic Claude Fable 5Amharic199.84Other solutionsLLM
OpenAI GPT-5.6 SolTamil200.07Other solutionsLLM
OpenAI GPT-5.6 SolAmharic201.4Other solutionsLLM
Google Gemma 4Serbian202.47Other solutionsOpen-weight LLM
z.ai GLM-5Macedonian206.34Other solutionsLLM
Google Gemini 3.1 Pro PreviewAzerbaijani206.35Other solutionsLLM
Google Gemma 4Cebuano207.66Other solutionsOpen-weight LLM
MoonshotAI Kimi K2.5Bengali208.1Other solutionsLLM
z.ai GLM-5Slovenian214.2Other solutionsLLM
OpenAI GPT-5.5Khmer215.51Meet every requirementLLM
OpenAI GPT-5.5Amharic216.01Other solutionsLLM
MoonshotAI Kimi K2.5Afrikaans216.33Other solutionsLLM
OpenAI GPT-5.6 SolLao220.27Other solutionsLLM
z.ai GLM-5Dutch220.5Other solutionsLLM
z.ai GLM-5Slovak221.41Other solutionsLLM
OpenAI GPT-5.5Sinhala221.67Other solutionsLLM
Anthropic Claude Opus 4.8Amharic225.55Other solutionsLLM
OpenAI GPT-5.5Punjabi229.83Other solutionsLLM
Anthropic Claude Sonnet 5Gujarati231.75Other solutionsLLM
z.ai GLM-5Croatian235.67Other solutionsLLM
MoonshotAI Kimi K2.5Yoruba236.96Other solutionsLLM
Google Gemma 4Polish237.47Other solutionsOpen-weight LLM
MoonshotAI Kimi K2.5Danish237.65Other solutionsLLM
Anthropic Claude Opus 4.8Armenian243.05Other solutionsLLM
z.ai GLM-5Frisian245.44Other solutionsLLM
Anthropic Claude Fable 5Sinhala246.57Other solutionsLLM
MoonshotAI Kimi K2.5Frisian247.54Other solutionsLLM
Google Gemma 4Ukrainian250.26Other solutionsOpen-weight LLM
z.ai GLM-5Hebrew252.63Other solutionsLLM
OpenAI GPT-5.6 SolKhmer253.34Other solutionsLLM
OpenAI GPT-5.6 SolPunjabi257.54Other solutionsLLM
MoonshotAI Kimi K2.5Croatian257.61Other solutionsLLM
Anthropic Claude Fable 5Georgian259.15Meet every requirementLLM
z.ai GLM-5Basque264.92Other solutionsLLM
OpenAI GPT-5.5Lao265.57Other solutionsLLM
z.ai GLM-5Tagalog265.9Other solutionsLLM
z.ai GLM-5Thai266.38Other solutionsLLM
z.ai GLM-5Belarusian266.51Other solutionsLLM
z.ai GLM-5Hindi267.6Other solutionsLLM
Anthropic Claude Opus 4.8Georgian270.42Other solutionsLLM
MoonshotAI Kimi K2.5Bulgarian270.46Other solutionsLLM
Anthropic Claude Opus 4.8Sinhala274.96Other solutionsLLM
z.ai GLM-5Pashto277.41Other solutionsLLM
OpenAI GPT-5.5Burmese284.07Other solutionsLLM
Google Gemma 4Odia (Oriya)284.97Other solutionsOpen-weight LLM
z.ai GLM-5Azerbaijani291.98Other solutionsLLM
z.ai GLM-5Kazakh302.26Other solutionsLLM
Anthropic Claude Fable 5Gujarati309.24Other solutionsLLM
Anthropic Claude Opus 4.8Gujarati311.48Other solutionsLLM
z.ai GLM-5Tatar337.14Other solutionsLLM
z.ai GLM-5Bengali354Other solutionsLLM
Anthropic Claude Opus 4.8Khmer361.16Other solutionsLLM
z.ai GLM-5Khmer363.32Other solutionsLLM
MoonshotAI Kimi K2.5Odia (Oriya)376.08Other solutionsLLM
z.ai GLM-5Armenian377.86Other solutionsLLM
OpenAI GPT-5.5Odia (Oriya)379.17Other solutionsLLM
z.ai GLM-5Kannada421.69Other solutionsLLM
z.ai GLM-5Lithuanian453.2Other solutionsLLM
z.ai GLM-5Gujarati525.72Other solutionsLLM
z.ai GLM-5Tamil537.49Other solutionsLLM
z.ai GLM-5Punjabi765.27Other solutionsLLM
z.ai GLM-5Malayalam779.38Other solutionsLLM
z.ai GLM-5Lao3,897.34Other solutionsLLM
Takeaway 4

Two-step solutions take ~twice as long as the same solutions in one step, and three-step solutions ~three times as long.

In each LLM step, we get the whole text again from the LLM, so a post-edit or a repair takes about as long as the translation. We estimate the LQA step at ~85 seconds per 1,000 words, with all its requests in parallel. Two-step solutions (translation + repair by code) take as long as the same solutions in one step, since the repair of tags and formatting by code does not add measurable time.

In the 42 languages where only two-step or three-step solutions meet every Standard requirement, the fastest of them takes a median of ~190 seconds per 1,000 words, against ~60 seconds per 1,000 words where a one-step solution does.

We implement these workflows in Intento Language Hub. Timings from platform logs cover the model calls made through the Hub. The Intento LQA duration here remains an estimate.

Median time per 1,000 words of two-step and three-step solutions, by step
Chart data
Median time per 1,000 words of two-step and three-step solutions, by step
StepTranslation, s per 1,000 wordsIntento LQA step (estimate), s per 1,000 wordsPost-edit or repair, s per 1,000 wordsTotal, s per 1,000 words
Two-step (translation + repair by code)96.80096.8
Two-step (translation + post-edit)81.8084.2177.3
Three-step (translation + LQA + repair)838686.15260.45
Takeaway 5

Meeting Standard requirements takes a similar time to Basic in 45 of 53 languages, while Advanced takes longer in 18.

We compare the fastest solution that meets the requirements of each quality level in the same languages, those where two solutions meet every Advanced requirement. In German, the fastest solution that meets the Basic requirements is real-time (DeepL Next Gen, under 1 second per 1,000 words), and the fastest one that meets the Standard requirements takes 30 seconds per 1,000 words, a two-step solution (translation + post-edit) on OpenAI GPT-5.6 Luna.

Meeting the Advanced requirements takes 2 to 4.4 times as long in eight languages, such as Bulgarian (26 to 116 seconds per 1,000 words). We check gender neutrality only on the two best solutions of each language, those with the fewest errors, so the fastest solution that meets the Advanced requirements often runs on a slower model or takes more steps.

Languages by the translation-time change between sets of quality requirements
Chart data
Languages by the translation-time change between sets of quality requirements
Translation-time change between sets of quality requirementsLess (by more than 10%)About the same (within 10%)10% more to 2 times as long2 to 10 times as long, languages10 times as long or more, languages
Basic to Standard045431
Standard to Advanced1341080
Takeaway 6

Adding glossary terms and a tone instruction increases LLM translation time by ~1.6 seconds per 1,000 source words.

Median times differ between LLMs by up to ~320 seconds per 1,000 source words. We compare the translation time of the same LLM in the same language without context and with context in the request, for 29 LLMs in 100 languages, and 62% of the translations take longer with context. With MT engines, the time changes by ~0.2 seconds per 1,000 words with the glossary and formality parameters.

Change in translation time with context in the request, same LLM and language
Chart data
Change in translation time with context in the request, same LLM and language (2,684 points summarized)
GroupPointsLowest, change in seconds per 1,000 source words with context in the request (scale compressed beyond ±5 s)Lower quartile, change in seconds per 1,000 source words with context in the request (scale compressed beyond ±5 s)Median, change in seconds per 1,000 source words with context in the request (scale compressed beyond ±5 s)Upper quartile, change in seconds per 1,000 source words with context in the request (scale compressed beyond ±5 s)Highest, change in seconds per 1,000 source words with context in the request (scale compressed beyond ±5 s)
One LLM in one language2,684-4,566.32-3.7681.579.1252,495.43
Takeaway 7

The gender-neutrality agent adds 1 to 12 seconds per 1,000 source words to median translation time.

The agent works with one-step, two-step (translation + post-edit or repair by code) and three-step solutions (translation + LQA + repair), on the source sentences while we translate them and on the translated sentences in the later steps.

One-step solutions take a median of 63 seconds per 1,000 words without the agent and 64 seconds with it, two-step solutions 98 and 110 seconds, and three-step solutions 223 and 228 seconds (the LQA step not counted).

Translation time with and without the gender-neutrality agent, by number of steps
Chart data
Translation time with and without the gender-neutrality agent, by number of steps
SolutionStateLowest, seconds per 1,000 wordsLower quartile, seconds per 1,000 wordsMedian, seconds per 1,000 wordsUpper quartile, seconds per 1,000 wordsHighest, seconds per 1,000 words
One-step solutionsWithout the agent17.453.96374.4215.5
One-step solutionsWith the agent23.643.663.889.4156.9
Two-step solutionsWithout the agent11.585.298205.6597.2
Two-step solutionsWith the agent19.386.8109.8200.1432.3
Three-step solutionsWithout the agent45.1186.5223345.1804.5
Three-step solutionsWith the agent47.4192227.7383.9817.1
Takeaway 8

For most models, translation into the slowest language takes over three times as long as into the median language.

Odia is among the ten slowest languages for 23 of the 27 models we timed in 80 or more languages, Lao for 22, and Chinese Simplified among the ten fastest for 21. Sorted by translation time, neighboring languages differ by less than 50% for 20 of the 27 models, and the other seven have one or two outliers at the slow end.

Translation time in the median and slowest languages, by model
Chart data
Translation time in the median and slowest languages, by model
ModelMedian language, s per 1,000 words, seconds per 1,000 source wordsSlowest language, s per 1,000 words, seconds per 1,000 source wordsSlowest against medianType
Translated Lara 2230.115.1×LLM-based MT engine
OpenAI gpt-oss-120b2.739.13.3×Open-weight LLM
Yandex Cloud Translate v24.118.12.0×MT engine
OpenAI GPT-5.6 Luna15.97493.1×LLM
xAI Grok 4.20 (non-reasoning)20.355,029.7247.1×LLM
OpenAI GPT-4.128.09137.44.9×LLM
OpenAI GPT-5.6 Terra39.49123.13.1×LLM
Anthropic Claude Haiku 4.545.33109.62.4×LLM
Swiss AI Apertus-8B-250950.82258.15.1×Open-weight LLM
Mistral Medium 3.153.481,756.132.8×LLM
MiniMax M2.558.39708.712.1×LLM
Cohere Command A Translate63.59167.22.6×LLM
AI21 Jamba Large 1.764.03149.72.3×LLM
xAI Grok 4.20 (reasoning)65.02231.33.6×LLM
DeepSeek V3.265.27143.52.2×LLM
Google Gemini 3.5 Flash67.63101.41.5×LLM
Mistral Large 378.68528.96.7×LLM
Anthropic Claude Sonnet 578.77266.33.4×LLM
Anthropic Claude Fable 587.56335.93.8×LLM
Anthropic Claude Sonnet 4.689.72178.52.0×LLM
OpenAI GPT-5.590.39360.84.0×LLM
Anthropic Claude Opus 4.896.27367.73.8×LLM
Google Gemini 3.1 Pro Preview99.24420.34.2×LLM
OpenAI GPT-5.6 Sol99.38419.94.2×LLM
Google Gemma 4224.41449.12.0×Open-weight LLM
z.ai GLM-5237.075,929.625.0×LLM
MoonshotAI Kimi K2.5323.15658.62.0×LLM

More on Performance

Takeaway 0

We compare translation time per 1,000 source words because the test texts differ in length.

The four source texts range from 270 to 999 words. We model translation time as a fixed time per request plus a time per word. With MT engines, most of it is the fixed time (~1.7 seconds per request for Yandex Cloud Translate v2), and with most LLMs it is the time per word (~0.06 seconds per word for Anthropic Claude Sonnet 5), so with an MT engine a short text takes more time per word.

We record the time of each text while we translate it, and for the models we call through the Intento platform, we take it from the platform logs, so these times are indicative.

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