The model can translate directly between any pair of 50 languages. To translate into a target language, the target language id is forced as the first generated token. To force the target language id as the first generated token, pass the forced_bos_token_id parameter to the generate method.
python
1from transformers import MBartForConditionalGeneration, MBart50TokenizerFast
23article_hi ="संयुक्त राष्ट्र के प्रमुख का कहना है कि सीरिया में कोई सैन्य समाधान नहीं है"4article_ar ="الأمين العام للأمم المتحدة يقول إنه لا يوجد حل عسكري في سوريا."56model = MBartForConditionalGeneration.from_pretrained("facebook/mbart-large-50-many-to-many-mmt")7tokenizer = MBart50TokenizerFast.from_pretrained("facebook/mbart-large-50-many-to-many-mmt")89# translate Hindi to French10tokenizer.src_lang ="hi_IN"11encoded_hi = tokenizer(article_hi, return_tensors="pt")12generated_tokens = model.generate(13**encoded_hi,14 forced_bos_token_id=tokenizer.lang_code_to_id["fr_XX"]15)16tokenizer.batch_decode(generated_tokens, skip_special_tokens=True)17# => "Le chef de l 'ONU affirme qu 'il n 'y a pas de solution militaire dans la Syrie."1819# translate Arabic to English20tokenizer.src_lang ="ar_AR"21encoded_ar = tokenizer(article_ar, return_tensors="pt")22generated_tokens = model.generate(23**encoded_ar,24 forced_bos_token_id=tokenizer.lang_code_to_id["en_XX"]25)26tokenizer.batch_decode(generated_tokens, skip_special_tokens=True)27# => "The Secretary-General of the United Nations says there is no military solution in Syria."
See the model hub to look for more fine-tuned versions.
Languages covered
Arabic (ar_AR), Czech (cs_CZ), German (de_DE), English (en_XX), Spanish (es_XX), Estonian (et_EE), Finnish (fi_FI), French (fr_XX), Gujarati (gu_IN), Hindi (hi_IN), Italian (it_IT), Japanese (ja_XX), Kazakh (kk_KZ), Korean (ko_KR), Lithuanian (lt_LT), Latvian (lv_LV), Burmese (my_MM), Nepali (ne_NP), Dutch (nl_XX), Romanian (ro_RO), Russian (ru_RU), Sinhala (si_LK), Turkish (tr_TR), Vietnamese (vi_VN), Chinese (zh_CN), Afrikaans (af_ZA), Azerbaijani (az_AZ), Bengali (bn_IN), Persian (fa_IR), Hebrew (he_IL), Croatian (hr_HR), Indonesian (id_ID), Georgian (ka_GE), Khmer (km_KH), Macedonian (mk_MK), Malayalam (ml_IN), Mongolian (mn_MN), Marathi (mr_IN), Polish (pl_PL), Pashto (ps_AF), Portuguese (pt_XX), Swedish (sv_SE), Swahili (sw_KE), Tamil (ta_IN), Telugu (te_IN), Thai (th_TH), Tagalog (tl_XX), Ukrainian (uk_UA), Urdu (ur_PK), Xhosa (xh_ZA), Galician (gl_ES), Slovene (sl_SI)
BibTeX entry and citation info
@article{tang2020multilingual,
title={Multilingual Translation with Extensible Multilingual Pretraining and Finetuning},
author={Yuqing Tang and Chau Tran and Xian Li and Peng-Jen Chen and Naman Goyal and Vishrav Chaudhary and Jiatao Gu and Angela Fan},
year={2020},
eprint={2008.00401},
archivePrefix={arXiv},
primaryClass={cs.CL}
}