Loïc Barrault
RESEARCH SCIENTIST | PARIS, FRANCE
Loïc Barrault (M) is a Research Scientist at Meta AI. Previously, he was a Senior Lecturer in the NLP group of the University of Sheffield and an Associate Professor at LIUM, University of Le Mans. He obtained his PhD at the University of Avignon in 2008 in the field of automatic speech recognition. His research work focuses on (multimodal) machine translation. Recent work include text-to-text machine translation for 200 languages (NLLB200), speech-to-speech translation for 100 languages (Seamless-M4T) along its expressive version (Seamless Expressive) and reasoning in the embedding space (Large Concept Model).
Research Areas
Loïc's Publications
March 17, 2026
RESEARCH
SPEECH & AUDIO
Omnilingual SONAR: Cross-Lingual and Cross-Modal Sentence Embeddings Bridging Massively Multilingual Text and Speech
Omnilingual SONAR Team, Ioannis Tsiamas, Yen Meng, Vivek Iyer, Guillem Ramirez, Jaehyeong Jo, Alexandre Mourachko, Yu-An Chung, Artyom Kozhevnikov, Belen Alastruey, Christophe Ropers, David Dale, Holger Schwenk, João Maria Janeiro, Kevin Heffernan, Loic Barrault, Marta R. Costa-jussa, Paul-Ambroise Duquenne, Pere Lluís Huguet Cabot
March 17, 2026
December 11, 2024
NLP
Large Concept Models: Language Modeling in a Sentence Representation Space
The LCM team, Guillaume Couairon, Alexandre Mourachko, Artyom Kozhevnikov, Belen Alastruey, Christophe Ropers, David Dale, Eduardo Sánchez, Hady Elsahar, Holger Schwenk, João Maria Janeiro, Kevin Heffernan, Loic Barrault, Maha Elbayad, Mariano Coria, Marta R. Costa-jussa, Paul-Ambroise Duquenne, Pierre Andrews, Robin San Roman, Safiyyah Saleem, Tuan Tran
December 11, 2024
November 30, 2023
SPEECH & AUDIO
NLP
Seamless: Multilingual Expressive and Streaming Speech Translation
Seamless Communication, Elahe Kalbassi, Xutai Ma, Abinesh Ramakrishnan, Alexandre Mourachko, Alice Rakotoarison, Amanda Kallet, Yu-An Chung, Ann Lee, Anna Sun, Artyom Kozhevnikov, Benjamin Peloquin, Bokai Yu, Brian Ellis, Can Balioglu, Carleigh Wood, Changhan Wang, Christophe Ropers, Christophe Touret, Christopher Klaiber, Corinne Wong, Cynthia Gao, Daniel Licht, David Dale, Ethan Ye, Gabriel Mejia Gonzalez, Guillaume Wenzek, Hady Elsahar, Hirofumi Inaguma, Holger Schwenk, Hongyu Gong, Ilia Kulikov, Ivan Evtimov, Jean Maillard, Jeff Wang, John Hoffman, Juan Pino, Justin Haaheim, Justine Kao, Prangthip Hansanti, Kaushik Ram Sadagopan, Kevin Heffernan, Loïc Barrault, Maha Elbayad, Mariano Coria Meglioli, Mark Duppenthaler, Marta R. Costa-jussà, Mary Williamson, Min-Jae Hwang, Ning Dong, Francisco Guzmán, Paden Tomasello, Paul-Ambroise Duquenne, Peng-Jen Chen, Pengwei Li, Pierre Andrews, Pierre Fernandez, Robin San Roman, Ruslan Mavlyutov, Safiyyah Saleem, Skyler Wang, Somya Jain, Sravya Popuri, Tuan Tran, Yilin Yang
November 30, 2023
August 22, 2023
SPEECH & AUDIO
NLP
SeamlessM4T—Massively Multilingual & Multimodal Machine Translation
Seamless Communication, Safiyyah Saleem, Abinesh Ramakrishnan, Alexandre Mourachko, Alice Rakotoarison, Amanda Kallet, Andy Chung, Ann Lee, Anna Sun, Bapi Akula, Benjamin Peloquin, Bernie Huang, Bokai Yu, Brian Ellis, Can Balioglu, Carleigh Wood, Changhan Wang, Christophe Ropers, Christopher Klaiber, Cynthia Gao, Daniel Li (FAIR), Daniel Licht, David Dale, Elahe Kalbassi, Ethan Ye, Gabriel Mejia Gonzalez, Guillaume Wenzek, Hady Elsahar, Hirofumi Inaguma, Holger Schwenk, Hongyu Gong, Igor Tufanov, Ilia Kulikov, Janice Lam, Jean Maillard, Jeff Wang (PM - AI), John Hoffman, Juan Pino, Justin Haaheim, Justine Kao, Prangthip Hasanti, Kaushik Ram Sadagopan, Kevin Heffernan, Kevin Tran, Loic Barrault, Maha Elbayad, Marta R. Costa-jussa, Mohamed Ramadan, Naji El Hachem, Ning Dong (AI), Onur Çelebi, Paco Guzmán, Paden Tomasello, Paul-Ambroise Duquenne, Peng-Jen Chen, Pengwei Li, Pierre Andrews, Ruslan Mavlyutov, Russ Howes, Skyler Wang, Somya Jain, Sravya Popuri, Tuan Tran, Vish Vogeti, Xutai Ma, Yilin Yang
August 22, 2023
July 06, 2022
No Language Left Behind: Scaling Human-Centered Machine Translation
Shannon Spruit, Chau Tran, Marta Costa-jussa, Al Youngblood, Alex Mourachko, Angela Fan, Anna Sun, Bapi Akula, Christophe Ropers, Cynthia Gao, Daniel Licht, Dirk Rowe, Elahe Kalbassi, Francisco Guzmán, Gabriel Mejia Gonzalez, Guillaume Wenzek, Holger Schwenk, James Cross, Janice Lam, Jean Maillard, Jeff Wang (PM - AI), John Hoffman, Kae Hansanti, Kaushik Ram Sadagopan, Kenneth Heafield, Kevin Heffernan, Loic Barrault, Maha Elbayad, Necip Fazil Ayan, Onur Çelebi, Philipp Koehn, Pierre Andrews, Safiyyah Saleem, Semarley Jarrett, Sergey Edunov, Shruti Bhosale, Skyler Wang, Vedanuj Goswami
July 06, 2022
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