Mistral AI Studio and API Release notes from Mistral AI

Le Chonk: Built for Coders, Trusted by Defenders

Mistral AI released the open weights for Le Chonk, a 1T parameter multimodal model. It is optimized for coding tasks.

GAOct 29

Mistral and NVIDIA collaboration for engineering AI

Mistral and NVIDIA are partnering to integrate AI models with accelerated computing and physics modeling tools. The collaboration focuses on developing public benchmarks and open datasets for physics and agentic AI in computer-aided engineering.

UpdateOct 21

Voxtral 3 voice agent SDK and speech models

Voxtral 3 introduces a voice agent SDK and speech models for real-time, multi-step conversations in over 50 languages. It supports transcription, natural speech synthesis with emotional adaptability, and tool integration for workflow automation.

GAOct 20

Introducing Timestral

Mistral AI introduced Timestral, a family of zero-shot probabilistic forecasting models ranging from 5M to 209M parameters. The CPU-efficient models are designed for time-series forecasting tasks.

GAOct 15

Introducing Mistral Large 4

Mistral AI has released Mistral Large 4 via its API and Studio.

GAOct 6

Deprecation of Leanstral 1.5

Leanstral 1.5 (labs-leanstral-1-5), an experimental Labs model, is deprecated and retires on September 30, 2026.

DeprecationSep 29

General Availability of Z.ai GLM 5.3

Z.ai GLM 5.3 (zai-glm-5-3) is now Generally Available.

GASep 28

Mistral and Mozilla are bringing open, private and multilingual AI to your web browser

Open, private and multilingual AI is coming to your web browser. Mistral and Mozilla team up to put powerful, trustworthy AI where you already browse.

UpdateSep 16

General Availability of OCR 4.1

OCR 4.1 (mistral-ocr-4-1) is now Generally Available.

GAAug 31

Agentic Search. More accurate and efficient results from your AI systems

The retrieval layer that helps AI systems navigate, read, and verify information inside even the most complex documents

UpdateAug 20

In-region inference, open models, and new European infrastructure for sovereign AI

Mistral is bringing together the inference infrastructure, open models, and long-term commitments Europe needs to control its AI future, and setting a roadmap for the world.

UpdateAug 11

Introducing Shieldstral

Shieldstral introduces a 3B open-weights multimodal safety classifier that outperforms models up to 7x its size.

UpdateAug 4

Release of OCR 4.1

OCR 4.1 (mistral-ocr-4-1) has been released. mistral-ocr-latest and mistral-ocr-4 now point to it.

GAJul 16

4 releases →

Your Prompts and Skills need a system of record

Studio provides a system of record for AI prompts and skills, versioned, owned, and traceable. Iterate fast, ship with control, and ensure consistent AI behavior.

UpdateJul 9

Introducing Robostral Navigate

Introducing Robostral Navigate: 8B model achieving 76.6% on R2R-CE with just a single RGB camera. No depth sensors, LiDAR, or multiple cameras needed.

UpdateJul 8

Leanstral 1.5: Proof Abundance for All

UpdateJul 2

Release of Leanstral 1.5

Leanstral 1.5 (labs-leanstral-1-5) has been released. It is an updated Lean 4 formal proof engineering model with improved SFT mixture quality and extended long-context reasoning, and will retire on September 30, 2026.

GAJun 30

Bringing more control over your connectors

UpdateJun 24

Release of OCR 4

OCR 4 (mistral-ocr-4-0) has been released. mistral-ocr-latest now points to it.

GAJun 23

Vibe Documentation Restructuring

The documentation has been restructured, redirecting previous /le-chat/* and /mistral-vibe/* paths to the new /vibe/* tree.

UpdateMay 28

Release of Mistral Medium 3.5

Mistral Medium 3.5 (mistral-medium-3-5) is a frontier-class multimodal model optimized for agentic and coding use cases. It features adjustable reasoning via the reasoning_effort parameter and is released under a Modified MIT license.

GAApr 28

Release of Voxtral TTS

Voxtral TTS (voxtral-tts-2603) is a text-to-speech model featuring zero-shot voice cloning, multilingual support, and real-time streaming.

GAMar 23

Release of Leanstral Code Agent

Leanstral (labs-leanstral-2603) is an open-source code agent designed for Lean 4 formal proof engineering.

GAMar 16

Release of Mistral Moderation 2603

Mistral Moderation 2603 (mistral-moderation-2603) has been released.

GAMar 12

Release of Voxtral Mini Transcribe 2 and Realtime

Voxtral Mini Transcribe 2 (voxtral-mini-2602) and Voxtral Mini Transcribe Realtime (voxtral-mini-transcribe-realtime-2602) have been released.

GAFeb 4

Devstral 2.0 Paid API Access

Devstral 2.0 has transitioned to paid API access.

PricingJan 27

Inline Batching API Release

Inline batching has been released, allowing users to create batch jobs without uploading files.

UpdateJan 19

Release of OCR 3

OCR 3 (mistral-ocr-2512) has been released.

GADec 18, 2025

Release of Mistral Small Creative

Mistral Small Creative (labs-mistral-small-creative) has been released as a Labs model.

GADec 16, 2025

Release of Devstral 2 and Devstral Small 2

Devstral 2 (devstral-2512) and Devstral Small 2 (labs-devstral-small-2512) have been released.

GADec 9, 2025

Release of Mistral Large 3 and Ministral 3

Mistral Large 3 (mistral-large-2512) and Ministral 3 (ministral-3b-2512, ministral-8b-2512, and ministral-14b-2512) have been released.

GADec 2, 2025