Anthropic Claude 2.1 vs Mistral Devstral 2 (123B) — side-by-side specs.
Anthropic Claude 2.1 | Mistral Devstral 2 (123B) | |
|---|---|---|
| Overview | ||
| Company | Anthropic | Mistral |
| Release date | Nov 21 2023 | Dec 9 2025 |
| Model type | — | — |
| Open source | No | Yes |
| Specifications | ||
Parameters | — | — |
Context window | — | — |
| Benchmarks | ||
| Timeline | ||
| Release gap | Claude 2.1 shipped 749 days before Devstral 2 (123B) | |
Claude 2.1 and Devstral 2 (123B) don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Claude 2.1 shipped 749 days before Devstral 2 (123B), so benchmark comparisons should account for the intervening progress.
Devstral 2 (123B) is an open-source / open-weight model; Claude 2.1 is proprietary.
Direct benchmark comparisons are unavailable — Claude 2.1 and Devstral 2 (123B) don't publish scores on any of the same benchmarks.