# Mistral AI — Introducing Mistral Large 4

- Company: Mistral AI (mistral.ai)
- Announced: 2026-10-06T12:00:27+00:00
- Category: new-model
- Coverage: 7 outlets
- Announcement: yes
- Group: models
- Source: https://mistral.ai/news/mistral-large-4/
- Record: https://forck.live/items/16204-introducing-mistral-large-4
- Subject: Mistral / Le Chat
- Open weights: yes
- Models affected: Mistral Large 4

Mistral AI launched a public preview of Mistral Large 4, a 1-trillion-parameter natively multimodal model with 49 billion active parameters, claiming frontier open-weight performance. The model scores 82% on a cybersecurity test and 49.8% on a coding agent index, and weights are scheduled for release by the end of the month.

## Evidence

Verbatim from https://mistral.ai/news/mistral-large-4/:

> ML4 is a 1 trillion-parameter natively multimodal model with 49 billion active parameters. It is our largest and most capable model to date, and it continues to improve rapidly as we refine it.

## Around this story

Outlets this record can name and link:

- Quartz: https://qz.com/mistral-large-4-open-weight-ai-model-launch-100626
- VentureBeat: https://venturebeat.com/technology/mistral-debuts-large-4-le-chonk-a-1-trillion-parameter-text-output-model-with-high-benchmarks-planned-for-open-weights-release
- RuntimeWire — Mistral CEO says new model beats Chinese rivals on cybersecurity: https://runtimewire.com/article/mistral-model-cybersecurity-claim-chinese-rivals
- Implicator — Mistral Large 4 Preview Pitches Open Weights Against Lock-In: https://implicator.ai/mistral-large-4-open-weights-lock-in
- Finimize: https://finimize.com/content/mistrals-new-open-weight-ai-model-leans-into-cyber-testing

## Follow-ups

- The Decoder (reported, 6 Oct): Mistral Large 4 is Europe's trillion-parameter answer to US models that refuse security work — https://forck.live/items/16217-mistral-large-4-is-europe-s-trillion-parameter-answer-to-us-models-that-refuse
- WIRED (reported, 6 Oct): Mistral Says Its New AI Model ‘Le Chonk’ Is the Best Open-Weight Offering Outside of China — https://forck.live/items/16205-mistral-says-its-new-ai-model-le-chonk-is-the-best-open-weight-offering

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Record: https://forck.live/items/16204-introducing-mistral-large-4
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