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Composer 2 vs Pixtral 24.09

Cursor Composer 2 vs Mistral Pixtral 24.09 — side-by-side specs.

Cursor
Composer 2
Mistral
Pixtral 24.09
Overview
CompanyCursorMistral
Release dateMar 20 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 565 days before Composer 2

Which is better: Composer 2 or Pixtral 24.09?

Composer 2 and Pixtral 24.09 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Pixtral 24.09 shipped 565 days before Composer 2, so benchmark comparisons should account for the intervening progress.

Pixtral 24.09 is an open-source / open-weight model; Composer 2 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 Composer 2 released?
Composer 2 was released by Cursor on Mar 20 2026.
When was Pixtral 24.09 released?
Pixtral 24.09 was released by Mistral on Sep 2024.
Is Composer 2 or Pixtral 24.09 open source?
Pixtral 24.09 is an open-source / open-weight model released by Mistral. Composer 2 is a proprietary model released by Cursor.

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