Anthropic vs 
Mistral AI
Verdict
- Anthropic's flagship leads: Claude Opus 5.5 at 72.6 vs Mistral Large 4 at 56.7.
- Anthropic has the better model in 4 of 4 price bands.
- Mistral AI's fastest ranked model (Ministral 3 3B, 207 tok/s) beats Anthropic's (Claude Haiku 5.5, 190 tok/s).
- Mistral AI publishes more open-weights models (32 vs 0).
- Mistral AI ships more often: one model every 28 days against every 39.
Best model per price band
Each provider’s highest-index model below the price ceiling. Purple marks the winner of the band.
| Price band | Anthropic | Mistral AI |
|---|---|---|
| Under $0.50/M | Claude Haiku 5.5 xhigh 61.5$0.200/M | Mistral Small 4 thinking 45.6$0.262/M |
| Under $2/M | Claude Haiku 5.5 xhigh 61.5$0.200/M | Mistral Medium 3.1 46.1$0.800/M |
| Under $10/M | Claude Opus 5.5 max 72.6$8.00/M | Mistral Large 4 56.7$2.06/M |
| Any price | Claude Opus 5.5 max 72.6$8.00/M | Mistral Large 4 56.7$2.06/M |
Line-up
| Metric | Anthropic | Mistral AI |
|---|---|---|
| Flagship index | 72.6 | 56.7 |
| Ranked models | 23 | 31 |
| Open-weights models | 0 | 32 |
| Cheapest ranked, $/M | $0.200 | $0.058 |
| Fastest ranked, tok/s | 190 | 207 |
| Release cadence, days | 39 | 28 |
| Last release | 7 Oct 2026 | 6 Oct 2026 |
| Next expected | 30 Oct 2026 – 30 Nov 2026 | 22 Oct 2026 – 14 Nov 2026 |
Data as of 25 Oct 2026. See Anthropic and Mistral AI in full.