AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

Claude 3 Opus vs Mistral Small 3.2

Anthropic
Claude 3 Opus
Mistral
Mistral Small 3.2
Overview
CompanyAnthropicMistral
Release dateMar 4 2024Jun 20 2025
AccessProprietaryOpen Weight
Specifications
Parameters
24B
Benchmarks
Coding
SWE-Bench Verified
33%
Science
GPQA Diamond
50.4%
Timeline
Release gapClaude 3 Opus shipped 473 days before Mistral Small 3.2

Which is better: Claude 3 Opus or Mistral Small 3.2?

Claude 3 Opus and Mistral Small 3.2 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 3 Opus shipped 473 days before Mistral Small 3.2, so benchmark comparisons should account for the intervening progress.

Claude 3 Opus is proprietary, while Mistral Small 3.2 is open weight.

Direct benchmark comparisons are unavailable — Claude 3 Opus and Mistral Small 3.2 don't publish scores on any of the same benchmarks.

Frequently asked questions

Claude 3 Opus was released by Anthropic on Mar 4 2024.

Mistral Small 3.2 was released by Mistral on Jun 20 2025.

Claude 3 Opus is a proprietary model released by Anthropic. Mistral Small 3.2 is an open weight model released by Mistral.

Other comparisons