AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Home/Compare/Composer vs Mistral Medium 3.5

Composer vs Mistral Medium 3.5

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

Cursor
Composer
Mistral
Mistral Medium 3.5
Overview
CompanyCursorMistral
Release dateOct 29 2025Apr 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 shipped 183 days before Mistral Medium 3.5

Which is better: Composer or Mistral Medium 3.5?

Composer and Mistral Medium 3.5 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Composer shipped 183 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 released?
Composer was released by Cursor on Oct 29 2025.
When was Mistral Medium 3.5 released?
Mistral Medium 3.5 was released by Mistral on Apr 30 2026.

Other comparisons