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Capability gains

Mistral releases open and hosted Magistral reasoning models

Mistral released Magistral Small 2506 as open weights and Magistral Medium 2506 through its API and Le Chat, adding explicit reasoning to its model portfolio.

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CURRENT ASSESSMENT · REVISION 1
TOWARD DOOM48confidence 95/100

Why it moved the index

Distinct reasoning models increased Mistral's competitive capability and distributed an open-weight tier without provider-side access controls alongside a broadly hosted frontier tier.

Assessment history

  1. R1
    Toward 48 · confidence 95

    New exact reasoning-model family with no durable event or model collision.

    12 Aug 2026

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  1. DoomBench assesses “Mistral releases open and hosted Magistral reasoning models” as evidence moving toward doom, with magnitude 48 and confidence 95 out of 100 in the capability gains category.

  2. The DoomBench assessment of “Mistral releases open and hosted Magistral reasoning models” is based on reporting from Mistral AI and records the editorial rationale, source quality, attribution, and revision history.

  3. DoomBench summarizes “Mistral releases open and hosted Magistral reasoning models” as follows: Mistral released Magistral Small 2506 as open weights and Magistral Medium 2506 through its API and Le Chat, adding explicit reasoning to its...

    https://www.doombench.com/news/mistral-releases-open-and-hosted-magistral-reasoning-models-2025-06-10