Mistral AI updates

Last updated · 87 releases tracked since September 2023

Mistral AI news, updates and changelog entries covering Mistral models such as Mistral Small and Voxtral, plus the Mistral API and platform tools. Entries come from Mistral AI announcements and the Mistral Docs changelog, each dated and linked to its source.

Frontier labsmistral.aiMistral Docs Changelog

October 2026 at a glance

Mistral AI released Magistral Medium 1.2 and Magistral Small 1.2, OCR 4.1 GA, and Z.ai GLM 5.3 GA in September 2026. The OCR API introduced an include_blocks parameter for block-level data, and several older models were deprecated.

Summary of September 2026, generated from the releases listed below.

This month

1

-8 vs last month

Last 12 months

52

Busiest: March 2026

Most shipped

Model

30 releases

Latest Mistral AI releases

Newest first. Each entry links to the official page it came from.

October 20261 release

September 20269 releases

August 20263 releases

July 20265 releases

Leanstral 1.5: Proof Abundance for All

Leanstral 1.5 is a free Apache-2.0 licensed model with 6B active parameters that delivers major performance upgrades in formal verification, solving 587/672 PutnamBench problems and achieving state-of-the-art results on FATE-H (87%) and FATE-X (34%). It excels in agentic proof e…

ProductSource: Mistral AI

June 20265 releases

Leanstral 1.5 Release

We released Leanstral 1.5 ( labs-leanstral-1-5 ), an updated Lean 4 formal proof engineering model with improved SFT mixture quality and extended long-context reasoning. This model will be retired on September 30, 2026 .

LeanstralModelSource: Mistral Docs Changelog

OCR API Include Blocks Feature

Introducing include_blocks in our OCR API. When set to true , each page returns a blocks array with paragraph-level bounding boxes and a structural label ( text , title , list , table , image , equation , caption , code , references , aside_text , header , footer , signature ) i…

OCRAPISource: Mistral Docs Changelog

May 20262 releases

Vibe Launch

We launched Vibe, our unified agent at chat.mistral.ai , available in three modes: Work for productivity on web and mobile, with Skills, Workflows, Connectors, Libraries, and scheduled tasks. Code for developers, covering the Vibe CLI , the VS Code extension , and Vibe Code Web…

EcosystemSource: Mistral Docs Changelog

Introducing Search Toolkit

Search Toolkit is a composable framework for building production search pipelines for AI applications, offering ingestion, retrieval, and evaluation in a single framework with a shared interface.

ProductSource: Mistral AI

April 20261 release

Mistral Medium 3.5 Release

We released Mistral Medium 3.5 ( mistral-medium-3-5 ), our frontier-class multimodal model optimized for agentic and coding use cases, with adjustable reasoning via the reasoning_effort parameter. Released as open weights under a Modified MIT license.

Mistral MediumModelSource: Mistral Docs Changelog

March 202613 releases

Voxtral TTS Launch

Mistral AI has launched Voxtral TTS, a 4B-parameter text-to-speech model delivering state-of-the-art multilingual voice generation with realistic, emotionally expressive speech in 9 languages, low latency, and easy voice adaptation. The model excels in contextual understanding,…

ProductSource: Mistral AI

Introducing Forge

Introducing Forge, a system for enterprises to build AI models trained on proprietary knowledge, enhancing control and customization

ProductSource: Mistral AI

Custom Guardrails API Update

We added Custom Guardrails support for Agents and Conversations. Guardrails can now be configured directly on an Agent via the guardrails parameter. Guardrails can be passed per-request on POST /v1/conversations using the guardrails field. Guardrails can be passed per-request on…

MistralAPISource: Mistral Docs Changelog

February 20264 releases

January 20265 releases

Mistral Vibe 2.0

Mistral Vibe 2.0 upgrades the terminal-native coding agent with custom subagents, clarification prompts, slash-command skills, unified agent modes, and new plan access.

Developer ToolsSource: Mistral AI

December 20253 releases

Introducing Mistral OCR 3

Mistral OCR 3 introduces breakthrough performance with 74% overall win rate over Mistral OCR 2 on forms, scanned documents, complex tables, and handwriting. It offers state-of-the-art accuracy, powers Document AI Playground for parsing PDFs/images into text/JSON, and is availabl…

ProductSource: Mistral AI

November 20251 release

Earlier releases (35)

July 20255 releases

Codestral 25.08 Release

Announces Codestral 25.08 with 30% increase in accepted completions, 10% more retained code, and 50% fewer runaway generations for enterprise coding workflows.

ProductSource: Mistral AI

Voxtral

State-of-the-art speech understanding models available in 24B and 3B variants under Apache 2.0 license, with API access and open-source deployment options.

ProductSource: Mistral AI

June 20252 releases

May 20253 releases

Devstral Agentic LLM Release

Introducing Devstral, an agentic LLM for software engineering tasks built in collaboration with All Hands AI. Outperforms open-source models on SWE-Bench Verified benchmark and released under Apache 2.0 license.

ResearchSource: Mistral AI

Mistral Medium 3

Mistral Medium 3 introduces a new class of models balancing SOTA performance with 8X lower cost and simpler deployability for enterprise use cases.

ModelSource: Mistral AI

April 20251 release

March 20254 releases

Mistral Small 3.1

Mistral Small 3.1 is an improved open-source model with enhanced text performance, multimodal understanding, and a 128k token context window. It outperforms models like Gemma 3 and GPT-4o Mini while maintaining fast inference speeds of 150 tokens/sec under Apache 2.0 license.

ModelSource: Mistral AI

Mistral OCR

Mistral OCR is an Optical Character Recognition API that sets a new standard in document understanding. It comprehends each element of documents-media, text, tables, equations-with unprecedented accuracy and cognition.

APISource: Mistral AI

February 20251 release

January 20253 releases

Codestral 25.01

Codestral 25.01 is an upgraded coding model with a more efficient architecture and improved tokenizer, generating code up to 2x faster. It leads in FIM use cases and demonstrates significant performance improvements across multiple benchmarks.

ModelSource: Mistral AI

November 20242 releases

Pixtral Large

Pixtral Large is a 124B open-weights multimodal model built on Mistral Large 2, featuring frontier-level image understanding and competitive performance on multimodal benchmarks.

ModelSource: Mistral AI

Mistral Moderation API

Mistral Moderation API provides content moderation capabilities for text and conversational content, enabling users to customize safety standards and deploy scalable moderation solutions.

ProductSource: Mistral AI

October 20241 release

September 20242 releases

Pixtral 12B

Pixtral 12B is a multimodal model trained with interleaved image and text data, offering strong performance on multimodal tasks and text-only benchmarks. It features a 400M parameter vision encoder and a 12B parameter multimodal decoder, supporting variable image sizes and multi…

ModelSource: Mistral AI

AI in abundance

Released free tier on la Plateforme, updated pricing across models, Mistral Small v24.09 with improved capabilities, and Pixtral 12B vision support on le Chat.

ProductSource: Mistral AI

August 20241 release

July 20244 releases

Mistral Large 2

Mistral Large 2 is a new model with a 128k context window, supports multiple languages, and is available on la Plateforme.

ModelSource: Mistral AI

Mistral NeMo

Released a 12B model with 128k context window, state-of-the-art reasoning, world knowledge, and coding accuracy. Developed in collaboration with NVIDIA, compatible with Mistral 7B systems, and available under Apache 2.0 license.

ModelSource: Mistral AI

MathΣtral

Mathstral is a specialized model for advanced mathematical problems requiring complex, multi-step logical reasoning. It achieves state-of-the-art reasoning capacities in its size category, with 56.6% on MATH and 63.47% on MMLU benchmarks. Weights are hosted on HuggingFace.

ModelSource: Mistral AI

Codestral Mamba

Codestral Mamba is a new model using Mamba architecture with linear time inference, designed for code productivity. It offers efficient handling of long sequences and is available under Apache 2.0 license.

ProductSource: Mistral AI

May 20241 release

April 20241 release

Mixtral 8x22B

Mixtral 8x22B is a sparse Mixture-of-Experts (SMoE) model with 39B active parameters out of 141B, offering cost efficiency. It is fluent in multiple languages, has strong math/coding capabilities, and 64K tokens context window. Released under Apache 2.0 license.

ProductSource: Mistral AI

February 20241 release

Mistral Large Release

Mistral Large is our new cutting-edge text generation model with top-tier reasoning capabilities, available through la Plateforme and Azure. It excels in complex multilingual reasoning tasks, code generation, and achieves strong results on benchmarks, ranking second globally aft…

ProductSource: Mistral AI

December 20232 releases

Mixtral 8x7B

High-quality sparse mixture of experts model (SMoE) with open weights, outperforming Llama 2 70B with 6x faster inference. Licensed under Apache 2.0.

ModelSource: Mistral AI

La Plateforme

Mistral AI launches beta access to their platform services, including three chat endpoints (mistral-tiny, mistral-small, mistral-medium) and an embedding endpoint (mistral-embed), with varying performance/price tradeoffs and API specifications.

ProductSource: Mistral AI

September 20231 release

Mistral 7B

Mistral 7B is a 7.3B parameter model that outperforms Llama 2 13B on all benchmarks and approaches CodeLlama 7B performance on code while remaining good at English tasks. It uses Grouped-query attention (GQA) for faster inference and Sliding Window Attention (SWA) to handle long…

ProductSource: Mistral AI

Shipping cadence

Releases per month over the last 12 months. Busiest month: March 2026, 13 releases.

What Mistral AI ships

Releases in the last 12 months by category and product.

By category

  • Model30
  • API11
  • Product6
  • Developer Tools3
  • Ecosystem2

By product

  • OCR10
  • Mistral4
  • Leanstral3
  • Mistral Small3
  • Z.ai GLM3
  • Audio Transcriptions2

Mistral AI updates FAQ

When did Mistral AI last ship an update?

The most recent Mistral AI update we track is “Mistral Large 4 (mistral-large-4) Public Preview”, released on October 6, 2026.

What did Mistral AI release in October 2026?

Mistral AI shipped 1 update in October 2026, including “Mistral Large 4 (mistral-large-4) Public Preview”.

How often does Mistral AI release updates?

We tracked 52 updates from Mistral AI in the last 12 months, about 4 a month. The busiest month was March 2026, with 13 releases.

Where is Mistral AI's official changelog?

Mistral AI publishes release notes on Mistral Docs Changelog, linked at the top of this page. Every entry here links back to the official page it came from.

Related companies

Newsletter

Stay ahead of the month's AI releases without living in every company feed.

This viewscreen turns the calendar into a recurring digest: the sharpest launches, model drops, and product moves delivered in one clear read.

Monthly signal

The standout launches, model drops, and platform moves worth tracking.

Zero feed fatigue

One tight read instead of bouncing between company blogs and timelines.

Built for operators

Clear summaries you can scan fast and forward to the team when needed.

Monthly dispatch

Subscribe to the newsletter

Get a clean monthly dispatch covering the launches that mattered, not every minor product breadcrumb.

Monthly digestMajor launchesFast summaries

One email each month, tuned for signal over noise.