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Mistral previews Large 4, a 1T-parameter open-weight model, with weights due end of October

Mistral says Large 4 is a 1 trillion-parameter multimodal mixture-of-experts model with 49B active parameters. A public preview API is live on Mistral Studio at $1.36 per million input tokens and $4.18 per million output. Open weights are due at the end of October.

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Primary source

Mistral AImistral.ai/news/mistral-large-4/

Coverage · 28 articles, oldest first

Tuesday, October 6, 2026

  1. Mistral AIPrimary

    Introducing Mistral Large 4

  2. simonwillison.net

    Mistral Large 4

  3. simonwillison.net

    Introducing Mistral Large 4: Le chonk

  4. SiliconANGLE

    Mistral launches open-source Mistral Large 4, details AI roadmap

Wednesday, October 7, 2026

  1. VentureBeat

    Mistral launches a preview of Mistral Large 4, or "Le Chonk", a 1T model it says tops any open model developed in the US or Europe, with weights due October 27

  2. Artificial Analysis

    Artificial Analysis says Mistral Large 4 is the most intelligent model from outside the US and China, achieving results comparable to DeepSeek V4.1 Flash (max)

  3. Reuters

    reuters.com/world/china/mistral-ceo-says-new-ai-model-beats-chinese-ones-some-areas-2026-10-06/

  4. Silicon Republic

    siliconrepublic.com/machines/frances-mistral-unveils-new-open-weight-ai-model-ml4

  5. The New Stack

    thenewstack.io/mistral-large-4-weights/

  6. Courthouse News Service

    courthousenews.com/frances-mistral-unveils-latest-model-in-sovereign-ai-push/

  7. Wccftech

    wccftech.com/the-only-thing-the-mistral-large-4-model-truly-leads-is-on-regulation-which-is-quite-characteristic-of-a-european-llm/

  8. Tech.eu

    tech.eu/2026/10/06/mistral-unveils-le-chonk-says-outperforms-any-open-weight-model-developed-in-the-us-or-europe/

  9. Finimize

    finimize.com/content/mistrals-new-open-weight-ai-model-leans-into-cyber-testing

  10. The Wall Street Journal

    wsj.com/tech/ai/mistral-to-release-new-ai-model-to-better-compete-with-u-s-rivals-3f7c8a3d

  11. Unite.AI

    unite.ai/mistral-unveils-1-05t-parameter-le-chonk-moe-model-in-public-preview/

  12. Quartz

    qz.com/mistral-large-4-open-weight-ai-model-launch-100626

  13. RuntimeWire

    runtimewire.com/article/mistral-model-cybersecurity-claim-chinese-rivals

  14. Fortune

    fortune.com/2026/10/07/what-militaries-could-do-with-ai-keeps-me-up-at-night-openai-exec-says/

  15. ITPro

    itpro.com/technology/artificial-intelligence/meet-le-chonk-everything-you-need-to-know-about-mistrals-new-open-weight-ai-model

  16. API Evangelist

    apievangelist.com/2026/10/07/who-took-my-api-catalog-last-week-and-how-much-of-it/

  17. Artificial Lawyer

    artificiallawyer.com/2026/10/07/ivo-launches-open-source-deepseek-contract-ai-model/

  18. Silicon UK

    silicon.co.uk/cloud/ai/mistral-le-chonk-631804

  19. RuntimeWire

    runtimewire.com/article/mistral-large-4-preview-open-weights-cybersecurity

  20. Tech in Asia

    techinasia.com/news/mistral-unveils-large-4-ai-model-ahead-of-wider-release

  21. Artificial Analysis

    artificialanalysis.ai/models/mistral-large-4

  22. The Neuron

    theneuron.ai/news/mistrals-new-ai-model-puts-a-price-on-sovereignty/

  23. Techstrong.ai

    techstrong.ai/articles/mistral-ai-unveils-le-chonk-a-1-trillion-parameter-open-model-to-challenge-u-s-china/

  24. Semafor

    The West’s open-source AI race kicks into high gear
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