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Composer 2 vs Mistral Medium 3.5

Cursor Composer 2 vs Mistral Mistral Medium 3.5 — side-by-side specs.

Cursor
Composer 2
Mistral
Mistral Medium 3.5
Overview
CompanyCursorMistral
Release dateMar 20 2026Apr 30 2026
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapComposer 2 shipped 41 days before Mistral Medium 3.5

Which is better: Composer 2 or Mistral Medium 3.5?

Composer 2 and Mistral Medium 3.5 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Composer 2 shipped 41 days before Mistral Medium 3.5, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

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 Composer 2 released?
Composer 2 was released by Cursor on Mar 20 2026.
When was Mistral Medium 3.5 released?
Mistral Medium 3.5 was released by Mistral on Apr 30 2026.

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