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Mistral Medium 3.5 vs Pixtral 24.09

Mistral Mistral Medium 3.5 vs Mistral Pixtral 24.09 — side-by-side specs.

Mistral
Mistral Medium 3.5
Mistral
Pixtral 24.09
Overview
CompanyMistralMistral
Release dateApr 30 2026Sep 2024
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapPixtral 24.09 shipped 606 days before Mistral Medium 3.5

Which is better: Mistral Medium 3.5 or Pixtral 24.09?

Mistral Medium 3.5 and Pixtral 24.09 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Pixtral 24.09 shipped 606 days before Mistral Medium 3.5, so benchmark comparisons should account for the intervening progress.

Pixtral 24.09 is an open-source / open-weight model; Mistral Medium 3.5 is proprietary.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was Mistral Medium 3.5 released?
Mistral Medium 3.5 was released by Mistral on Apr 30 2026.
When was Pixtral 24.09 released?
Pixtral 24.09 was released by Mistral on Sep 2024.
Is Mistral Medium 3.5 or Pixtral 24.09 open source?
Pixtral 24.09 is an open-source / open-weight model released by Mistral. Mistral Medium 3.5 is a proprietary model released by Mistral.

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