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Claude Opus 4.1 vs Mathstral 7B

2 vs 0 benchmarks won

Anthropic
Claude Opus 4.1
Mistral
Mathstral 7B
Overview
CompanyAnthropicMistral
Release dateAug 5 2025Jul 16 2024
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
80.9%
Software engineering
SWE-Bench Verified
74.5%
Multimodal understanding
MMMU
Timeline
Release gapMathstral 7B shipped 385 days before Claude Opus 4.1

Which is better: Claude Opus 4.1 or Mathstral 7B?

Claude Opus 4.1 leads Mathstral 7B on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Mathstral 7B shipped 385 days before Claude Opus 4.1, so benchmark comparisons should account for the intervening progress.

Mathstral 7B is an open-source / open-weight model; Claude Opus 4.1 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 Claude Opus 4.1 released?
Claude Opus 4.1 was released by Anthropic on Aug 5 2025.
When was Mathstral 7B released?
Mathstral 7B was released by Mistral on Jul 16 2024.
Is Claude Opus 4.1 or Mathstral 7B open source?
Mathstral 7B is an open-source / open-weight model released by Mistral. Claude Opus 4.1 is a proprietary model released by Anthropic.

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