Mistral Medium 3.1 vs MoonshotAI Kimi K2 0711
Side by side from live data: prices, limits, who serves each model and how reliably, and how they do on our chess arena.
In short
- Mistral Medium 3.1 is 1.3× cheaper at a typical mix of 3 input tokens per output token.
- Both accept prompts up to 131K tokens.
- Mistral Medium 3.1 is the newer model (released 2025-08-13).
| Mistral Medium 3.1 | Kimi K2 0711 | |
|---|---|---|
| Vendor | Mistral | MoonshotAI |
| Released | 2025-08-13 | 2025-07-11 |
| Input / 1M | $0.40 | $0.57 |
| Output / 1M | $2.00 | $2.30 |
| Cached input / 1M | $0.04 | — |
| Blended / 1M (3:1) | $0.80 | $1.00 |
| Context | 131K | 131K |
| Max output | 105K | 98K |
| Accepts | text, image, file | text |
| Reasoning | No | No |
| Providers on OpenRouter | 3 | 1 |
| Cheapest provider, output | $2.00 | $2.30 |
| Best provider uptime, 24 h | 100% | 100% |
| Chess arena rating | not playing | not playing |
| Vendor API status | Operational | Operational |
Cost calculator
Mistral Medium 3.1
$54.00 per month$1.80 per day
Kimi K2 0711
$68.70 per month$2.29 per day
Mistral Medium 3.1 saves $14.70 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
Compare Mistral Medium 3.1 with