Side-by-side comparison · models
Kimi K2.7 Code (Free) vs Kimi K3.1 Pro
What we have checked about each, line by line. Every value shows where it came from and when we last confirmed it.
Models
Kimi K2.7 Code (Free)
Coding-focused Kimi model, stronger on long-horizon repo work with less overthinking.
Models
Kimi K3.1 Pro
Kimi K3.1 Pro is Moonshot AI's flagship open-weight multimodal reasoning model and a post-trained successor to Kimi K3, with a 1M-token context window.
Checked facts
Line by line
| Measure | Kimi K2.7 Code (Free) | Kimi K3.1 Pro |
|---|---|---|
| Input price | Not checked yet | $2.00 per million tokens |
| Output price | Not checked yet | $10.00 per million tokens |
| Price on moonshotai | Not checked yet | $0.200 per million cached input tokens |
| Price on moonshotai | Not checked yet | $2.00 per million input tokens |
| Price on moonshotai | Not checked yet | $10.00 per million output tokens |
| Latest version | Not checked yet | moonshotai/kimi-k3.1-pro-20261023 |
| Time to first token (ms) | 2,860 | 3,580 |
| Output speed (tokens a second) | 44.5 | 30.6 |
| Time to first token (ms) on moonshotai | Not checked yet | 7,230 |
| Output speed (tokens a second) on moonshotai | Not checked yet | 22 |
| Tokens served on OpenRouter in a day | Not checked yet | 234.7B (for 31 Oct 2026) |
| Tool calls on OpenRouter in a day | Not checked yet | 1.6M (for 31 Oct 2026) |
| Artificial Analysis Intelligence Index | Not checked yet | 46 |
| LMArena web development rating (Elo) | Not checked yet | 1,695 |
| Design Arena rating (Elo) | Not checked yet | 1,441 |
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