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Claude Opus 4.5 vs Mistral Large

2 vs 0 benchmarks won

Anthropic
Claude Opus 4.5
Mistral
Mistral Large
Overview
CompanyAnthropicMistral
Release dateNov 24 2025Feb 26 2024
Model type
Open sourceNoNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
87%
Software engineering
SWE-Bench Verified
80.9%
Multimodal understanding
MMMU
Timeline
Release gapMistral Large shipped 637 days before Claude Opus 4.5

Which is better: Claude Opus 4.5 or Mistral Large?

Claude Opus 4.5 leads Mistral Large on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Mistral Large shipped 637 days before Claude Opus 4.5, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

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 Large released?
Mistral Large was released by Mistral on Feb 26 2024.

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