Bengali translation and speech-to-text models bn

1 model into Bengali, 2 from Bengali, 13 speech-to-text. Best scored from Bengali: Bengali to English (chrF++ 45.4).

Which open models work for Bengali?

Windy Translate lists 1 open translation model into Bengali and 2 from Bengali. All of them can be downloaded from Hugging Face and run on your own hardware. By licence: 2 CC-BY-4.0 and 1 Apache-2.0 (terms and attribution text: licensing). 1 of them have a screening score on FLORES-200. None of the models into Bengali has a score yet. The best scored from Bengali is translate-bn-en (chrF++ 45.4, Good).

With English. English to Bengali: translate-windy-hplt-en-bn (not yet scored). Bengali to English: translate-bn-en (chrF++ 45.4, Good), the best of 2 direct models. To translate between Bengali and a language with no direct model, you can go through English with these two.

By band, the scored Bengali models are 1 Good (Excellent is chrF++ 60 or more, Good 45 to 60, Usable 30 to 45, Limited 15 to 30). A score is a 48-sentence screening of news and encyclopedia text, not a measure of accuracy, and a difference of a point or two is noise. How we measured.

Speech-to-text. 1 speech-to-text model made for Bengali: listen-windy-lingua-bn. Also, Whisper's tokenizer lists Bengali as one of its languages, so all 12 multilingual Whisper-based models here can transcribe it: see the speech models. Accuracy differs a lot between languages and model sizes, and this site has not measured speech accuracy.

Each model page has a short snippet to download and run the model yourself, its licence and attribution text, and its score where there is one. Pick the best scored model for your direction, then try it on a few sentences of your own text: a screening score is a starting point, not a guarantee.

Into Bengali

From Bengali

Bengali speech-to-text

Scores: chrF++ on FLORES-200 dev, 48 sentences, measured 2026-08-04. Method.