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Claude Opus 4.5 vs Mistral 7B

2 vs 0 benchmarks won

Anthropic
Claude Opus 4.5
Mistral
Mistral 7B
Overview
CompanyAnthropicMistral
Release dateNov 24 2025Sep 27 2023
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
87%
Software engineering
SWE-Bench Verified
80.9%
Multimodal understanding
MMMU
Timeline
Release gapMistral 7B shipped 789 days before Claude Opus 4.5

Which is better: Claude Opus 4.5 or Mistral 7B?

Claude Opus 4.5 leads Mistral 7B on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Mistral 7B shipped 789 days before Claude Opus 4.5, so benchmark comparisons should account for the intervening progress.

Mistral 7B is an open-source / open-weight model; Claude Opus 4.5 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 Claude Opus 4.5 released?
Claude Opus 4.5 was released by Anthropic on Nov 24 2025.
When was Mistral 7B released?
Mistral 7B was released by Mistral on Sep 27 2023.
Is Claude Opus 4.5 or Mistral 7B open source?
Mistral 7B is an open-source / open-weight model released by Mistral. Claude Opus 4.5 is a proprietary model released by Anthropic.

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