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Mistral Large 3 brings frontier-scale multimodal AI to open weights

Mistral AI released the 675-billion-parameter Mistral Large 3 base and instruction checkpoints under Apache 2.0 with API and multi-platform access.

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CURRENT ASSESSMENT · REVISION 1
TOWARD DOOM40confidence 86/100

Why it moved the index

Permissive release of a frontier-scale, multimodal, agent-capable model directly broadens uncontrolled access and competitive pressure at the open frontier.

Assessment history

  1. R1
    Toward 40 · confidence 86

    New historical open-weight launch record from Mistral AI's dated release.

    11 Aug 2026

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  1. DoomBench assesses “Mistral Large 3 brings frontier-scale multimodal AI to open weights” as evidence moving toward doom, with magnitude 40 and confidence 86 out of 100 in the competitive race category.

  2. The DoomBench assessment of “Mistral Large 3 brings frontier-scale multimodal AI to open weights” is based on reporting from Mistral AI and records the editorial rationale, source quality, attribution, and revision history.

  3. DoomBench summarizes “Mistral Large 3 brings frontier-scale multimodal AI to open weights” as follows: Mistral AI released the 675-billion-parameter Mistral Large 3 base and instruction checkpoints under Apache 2.0 with API and...

    https://www.doombench.com/news/mistral-large-3-brings-frontier-scale-multimodal-ai-to-open-weights-2025-12-02