Claude Opus 4.5 is the newer model, released after Mistral Large.
| Spec | Claude Opus 4.5 | Mistral Large |
|---|---|---|
| Input price | — | $8/M tokens |
| Output price | — | $24/M tokens |
| Context window | — | 32K tokens |
| Weights | Closed | — |
| Free API (OpenRouter) | No | No |
| Released | Nov 2025 | Feb 2024 |
Not enough votes to call it. On the specs, Claude Opus 4.5 has the edge: bigger model tier, newer, major provider backing.
Per million tokens. Prices and uptime via OpenRouter, checked 9 Sep 2026.
Claude Opus 4.5 uses 2.5x more sentence length