Paul Jacob
Paul Jacob co-authored a series of model papers, beginning with Pixtral 12B in October 2024. He co-authored Magistral, Mistral's first reasoning model, in June 2025, and the Devstral technical report in August 2025. Later papers covered Voxtral audio and speech models and Ministral 3 language models. The most recent were Robostral Navigate, an 8B model for robot navigation, and Shieldstral, a 3B safety classifier, both from July 2026.
Timeline
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October 2024
Pixtral 12B multimodal model
He co-authors Pixtral 12B, a 12-billion-parameter multimodal language model, in October 2024.
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June 2025
Magistral reasoning model
He co-authors Magistral, Mistral's first reasoning model, in June 2025.
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July 2025
Voxtral audio chat models
He co-authors Voxtral, which presents Voxtral Mini and Voxtral Small, two multimodal audio chat models, in July 2025.
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August 2025
Devstral for code agents
He co-authors the Devstral technical report in August 2025, which introduces Devstral-Small, a lightweight open source model for code agents.
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January 2026
Ministral 3 language models
He co-authors Ministral 3, a series of language models in 3B, 8B and 14B sizes, in January 2026.
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February–March 2026
Voxtral Realtime and TTS
He co-authors Voxtral Realtime, a streaming speech-recognition model, in February 2026, and Voxtral TTS, a multilingual text-to-speech model, in March 2026.
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July 2026
Robostral Navigate model
He co-authors Robostral Navigate, an 8B vision-language model for robot navigation, in July 2026.
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July 2026
Shieldstral safety classifier
He co-authors Shieldstral, a 3B-parameter multimodal safety classifier, in July 2026.
Sources and credits
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- [2410.07073] Pixtral 12B
- Paper page - Pixtral 12B
- [2506.10910] Magistral
- Magistral | Cool Papers - Immersive Paper Discovery
- [2507.13264] Voxtral
- [2509.25193] Devstral: Fine-tuning Language Models for Coding Agent Applications
- [2601.08584] Ministral 3
- [2602.11298] Voxtral Realtime
- [2603.25551] Voxtral TTS
- [2607.20785] Robostral Navigate
- [2607.25857] Shieldstral