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Composer 1.5 vs Ministral 8B

Cursor Composer 1.5 vs Mistral Ministral 8B — side-by-side specs.

Cursor
Composer 1.5
Mistral
Ministral 8B
Overview
CompanyCursorMistral
Release dateFeb 8 2026Oct 2024
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapMinistral 8B shipped 495 days before Composer 1.5

Which is better: Composer 1.5 or Ministral 8B?

Composer 1.5 and Ministral 8B do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. Ministral 8B shipped 495 days before Composer 1.5, so benchmark comparisons should account for the intervening progress.

Ministral 8B is an open-source / open-weight model; Composer 1.5 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 1.5 released?
Composer 1.5 was released by Cursor on Feb 8 2026.
When was Ministral 8B released?
Ministral 8B was released by Mistral on Oct 2024.
Is Composer 1.5 or Ministral 8B open source?
Ministral 8B is an open-source / open-weight model released by Mistral. Composer 1.5 is a proprietary model released by Cursor.

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