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Claude 3.7 Sonnet vs Mistral Small 3

2 vs 0 benchmarks won

Anthropic
Claude 3.7 Sonnet
Mistral
Mistral Small 3
Overview
CompanyAnthropicMistral
Release dateFeb 24 2025Jan 2025
Model type
Open sourceNoYes
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
68%
Software engineering
SWE-Bench Verified
62.3%
Multimodal understanding
MMMU
Timeline
Release gapMistral Small 3 shipped 54 days before Claude 3.7 Sonnet

Which is better: Claude 3.7 Sonnet or Mistral Small 3?

Claude 3.7 Sonnet leads Mistral Small 3 on 2 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). Mistral Small 3 shipped 54 days before Claude 3.7 Sonnet, so benchmark comparisons should account for the intervening progress.

Mistral Small 3 is an open-source / open-weight model; Claude 3.7 Sonnet 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 3.7 Sonnet released?
Claude 3.7 Sonnet was released by Anthropic on Feb 24 2025.
When was Mistral Small 3 released?
Mistral Small 3 was released by Mistral on Jan 2025.
Is Claude 3.7 Sonnet or Mistral Small 3 open source?
Mistral Small 3 is an open-source / open-weight model released by Mistral. Claude 3.7 Sonnet is a proprietary model released by Anthropic.

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