Claude 3 Opus vs Devstral Small
Anthropic Claude 3 Opus | Mistral Devstral Small | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Mistral |
| Release date | Mar 4 2024 | May 21 2025 |
| Access | Proprietary | Open Weight |
| Specifications | ||
Parameters | — | 24B |
| Benchmarks | ||
Coding SWE-Bench VerifiedReal coding tasks pulled from open-source projects — the AI has to find and fix actual bugs. A human-checked version of the original SWE-Bench. Higher is better. | 33% | — |
Science GPQA DiamondGraduate-level science questions in biology, physics, and chemistry — hard enough that subject-matter PhDs score around 65%. Higher is better. | 50.4% | — |
| Timeline | ||
| Release gap | Claude 3 Opus shipped 443 days before Devstral Small | |
Which is better: Claude 3 Opus or Devstral Small?
Claude 3 Opus and Devstral Small don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 3 Opus shipped 443 days before Devstral Small, so benchmark comparisons should account for the intervening progress.
Claude 3 Opus is proprietary, while Devstral Small is open weight.
Direct benchmark comparisons are unavailable — Claude 3 Opus and Devstral Small don't publish scores on any of the same benchmarks.
Frequently asked questions
Claude 3 Opus was released by Anthropic on Mar 4 2024.
Devstral Small was released by Mistral on May 21 2025.
Claude 3 Opus is a proprietary model released by Anthropic. Devstral Small is an open weight model released by Mistral.
Other comparisons
Claude 3 Opus vs GPT-5.6 SolDevstral Small vs GPT-5.6 SolClaude 3 Opus vs Gemini OmniDevstral Small vs Gemini OmniClaude 3 Opus vs Muse Spark 1.1Devstral Small vs Muse Spark 1.1Claude 3 Opus vs Grok 4.5Devstral Small vs Grok 4.5Claude 3 Opus vs DeepSeek-V4-ProDevstral Small vs DeepSeek-V4-ProClaude 3 Opus vs Kimi K2.7 CodeDevstral Small vs Kimi K2.7 Code