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Codestral Mamba 7B vs Mistral Medium 3.5

Mistral Codestral Mamba 7B vs Mistral Mistral Medium 3.5 — side-by-side specs.

Mistral
Codestral Mamba 7B
Mistral
Mistral Medium 3.5
Overview
CompanyMistralMistral
Release dateJul 16 2024Apr 30 2026
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapCodestral Mamba 7B shipped 653 days before Mistral Medium 3.5

Which is better: Codestral Mamba 7B or Mistral Medium 3.5?

Codestral Mamba 7B and Mistral Medium 3.5 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Codestral Mamba 7B shipped 653 days before Mistral Medium 3.5, so benchmark comparisons should account for the intervening progress.

Codestral Mamba 7B 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 Codestral Mamba 7B released?
Codestral Mamba 7B was released by Mistral on Jul 16 2024.
When was Mistral Medium 3.5 released?
Mistral Medium 3.5 was released by Mistral on Apr 30 2026.
Is Codestral Mamba 7B or Mistral Medium 3.5 open source?
Codestral Mamba 7B 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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