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Composer vs Ministral 3 8B-25-12

Cursor Composer vs Mistral Ministral 3 8B-25-12 — side-by-side specs.

Cursor
Composer
Mistral
Ministral 3 8B-25-12
Overview
CompanyCursorMistral
Release dateOct 29 2025Dec 2 2025
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapComposer shipped 34 days before Ministral 3 8B-25-12

Which is better: Composer or Ministral 3 8B-25-12?

Composer and Ministral 3 8B-25-12 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Composer shipped 34 days before Ministral 3 8B-25-12, so benchmark comparisons should account for the intervening progress.

Ministral 3 8B-25-12 is an open-source / open-weight model; Composer 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 released?
Composer was released by Cursor on Oct 29 2025.
When was Ministral 3 8B-25-12 released?
Ministral 3 8B-25-12 was released by Mistral on Dec 2 2025.
Is Composer or Ministral 3 8B-25-12 open source?
Ministral 3 8B-25-12 is an open-source / open-weight model released by Mistral. Composer is a proprietary model released by Cursor.

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