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Composer 2 vs Mathstral 7B

Cursor Composer 2 vs Mistral Mathstral 7B — side-by-side specs.

Cursor
Composer 2
Mistral
Mathstral 7B
Overview
CompanyCursorMistral
Release dateMar 20 2026Jul 16 2024
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapMathstral 7B shipped 612 days before Composer 2

Which is better: Composer 2 or Mathstral 7B?

Composer 2 and Mathstral 7B do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Mathstral 7B shipped 612 days before Composer 2, so benchmark comparisons should account for the intervening progress.

Mathstral 7B 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 Mathstral 7B released?
Mathstral 7B was released by Mistral on Jul 16 2024.
Is Composer 2 or Mathstral 7B open source?
Mathstral 7B is an open-source / open-weight model released by Mistral. Composer 2 is a proprietary model released by Cursor.

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