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Main Authors: Mistral-AI, :, Liu, Alexander H., Ehrenberg, Andy, Lo, Andy, Sun, Chen-Yo, Lample, Guillaume, Delignon, Jean-Malo, Chandu, Khyathi Raghavi, von Platen, Patrick, Muddireddy, Pavankumar Reddy, Arora, Rohin, Gandhi, Sanchit, Subramanian, Sandeep, Ghosh, Soham, Mishra, Srijan, Rastogi, Abhinav, Sadé, Adrien, Jeffares, Alan, Jiang, Albert, Cahill, Alexandre, Gavaudan, Alexandre, Sablayrolles, Alexandre, Héliou, Amélie, You, Amos, Bai, Andrew, Lenglemetz, Angele, Agarwal, Anmol, Eliseev, Anton, Calvi, Antonia, Majumdar, Arjun, Sooriyarachchi, Avi, Bout, Baptiste, Rozière, Baptiste, De Monicault, Baudouin, Tibi, Benjamin, Cronjäger, Charlotte, Lanfranchi, Clémence, Chen, Connor, Barreau, Corentin, Sautier, Corentin, Courtot, Cyprien, Dabert, Darius, Casas, Diego de las, Demyanenko, Elizaveta, Chane-Sane, Elliot, Paquin, Enguerrand, Goffinet, Etienne, Niel, Fabien, Ahmed, Faruk, Baldassarre, Federico, Berrada, Gabrielle, Ecrepont, Gaëtan, Guinet, Gauthier, Hayes, Genevieve, Novikov, Georgii, Pistilli, Giada, Kunsch, Guillaume, Martin, Guillaume, Raille, Guillaume, Dhanuka, Gunjan, Gupta, Gunshi, Zhou, Han, Shah, Harshil, McGovern, Hope, Thimonier, Hugo, Mukherjee, Indraneel, Zhang, Irene, Kim, Jaeyoung, Ludziejewski, Jan, Rute, Jason, Studnia, Joachim, Harvill, John, Amar, Jonas, Delas, Joséphine, Roberts, Josselin Somerville, Tauran, Julien, Yadav, Karmesh, Khandelwal, Kartik, Tep, Kilian, Jain, Kush, Aitchison, Laurence, Fainsin, Laurent, Blier, Léonard, Zhao, Lingxiao, Martin, Louis, Saulnier, Lucile, Gao, Luyu, Buyl, Maarten, Sharma, Manan, Jennings, Margaret, Pellat, Marie, Prins, Mark, Alexandre, Martin, Poirée, Mathieu, Guillaumin, Mathilde, Dinot, Matthieu, Futeral, Matthieu, Darrin, Maxime, Augustin, Maximilian, Unsal, Mert, Chiquier, Mia, Pham, Minh-Quang, Grinsztajn, Nathan, Gupta, Neha, Bousquet, Olivier, Duchenne, Olivier, Wang, Patricia, Jacob, Paul, Wambergue, Paul, Kurylowicz, Paula, Pinel, Philippe, Chagniot, Philomène, Stock, Pierre, Miłoś, Piotr, Gupta, Prateek, Agrawal, Pravesh, Torroba, Quentin, Ramrakhya, Ram, Shah, Rishi, Sauvestre, Romain, Soletskyi, Roman, Millner, Rosalie, Menneer, Rupert, Vaze, Sagar, Barry, Samuel, Humeau, Samuel, Cha, Sean, Verma, Shashwat, Waghjale, Siddhant, Gandhi, Siddharth, Lepage, Simon, Aithal, Sumukh, Antoniak, Szymon, Scao, Teven Le, Cachet, Théo, Sorg, Theo Simon, Lavril, Thibaut, Chabal, Thomas, Foubert, Thomas, Robert, Thomas, Wang, Thomas, Lawson, Tim, Bewley, Tom, Edwards, Tom, Wang, Tyler, Jamil, Umar, Tomasini, Umberto, Nemychnikova, Valeriia, Phung, Van, Nanda, Vedant, Jouault, Victor, Maladière, Vincent, Richard, Virgile, Bataev, Vladislav, Bouaziz, Wassim, Li, Wen-Ding, Havard, William, Marshall, William, Li, Xinghui, Guo, Xingran, Yang, Xinyu, Neuhaus, Yannic, Ouahidi, Yassine El, Bendou, Yassir, Wang, Yihan, Pan, Yimu, Ramzi, Zaccharie, Xu, Zhenlin
Format: Preprint
Published: 2026
Subjects:
Artificial Intelligence
Online Access:https://arxiv.org/abs/2602.11298
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Table of Contents:
  • We introduce Voxtral Realtime, a natively streaming automatic speech recognition model that matches offline transcription quality at sub-second latency. Unlike approaches that adapt offline models through chunking or sliding windows, Voxtral Realtime is trained end-to-end for streaming, with explicit alignment between audio and text streams. Our architecture builds on the Delayed Streams Modeling framework, introducing a new causal audio encoder and Ada RMS-Norm for improved delay conditioning. We scale pretraining to a large-scale dataset spanning 13 languages. At a delay of 480ms, Voxtral Realtime achieves performance on par with Whisper, the most widely deployed offline transcription system. We release the model weights under the Apache 2.0 license.

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