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Pick up to 4. Every model here is free in free-pi.
Claude Sonnet 5.5 MiMo V2.6 Flash (Xiaomi) Kimi K3.1 Pro
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| Claude Sonnet 5.5 | MiMo V2.6 Flash (Xiaomi) | Kimi K3.1 Pro | |
|---|---|---|---|
| Maker | Anthropic | Xiaomi | MoonshotAI |
| Usage in free-pi | premium, uses allowance fast · ~41x usage | ~2.8x usage | ~41x usage |
| Intelligence index | 56 (best) | 37.9 | — |
| Coding index | — | — | — |
| Context window | 1,000,000 tokens | 1,050,000 tokens (best) | 1,048,576 tokens |
| Max output | 128,000 tokens | 131,072 tokens | 943,718 tokens (best) |
| Inputs | Text, image, file | Text, image, audio, video (best) | Text, image, video |
| Tool calling | Yes | Yes | Yes |
| Reasoning effort | Yes | No | Yes |
| Structured output | Yes | Yes | Yes |
| Released | Sep 28, 2026 | Sep 21, 2026 | Oct 23, 2026 |
| Model page | Model page | Model page | Model page |
Stats from OpenRouter; refreshed automatically. Usage rate from free-pi. Green marks the best value in each row. “—” means no figure is available.