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Pick up to 4. Every model here is free in free-pi.
MiMo V2.6 Flash (Xiaomi) Kimi K3.1 Pro Solar Pro 4
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- DeepSeek V4 Flash
- Claude Haiku 5.5
- Claude Sonnet 5.5
- DeepSeek V4.1 Flash
- DeepSeek V4 Pro
- Defense Flash
- Defense Flash 2
- Gemini 4 Argon
- Gemini 4 Argon Flex
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- GPT-6.1 Sol
- GPT-6.1 Sol Flex
- GPT-6 Luna
- GPT-6 Luna Flex
- GPT-OSS 120B
- Laguna S 2.1 (Poolside)
- Muse Spark 1.3 Contributor
- Muse Spark Open (Meta)
- Qwen3.5 35B (Darkbloom)
| MiMo V2.6 Flash (Xiaomi) | Kimi K3.1 Pro | Solar Pro 4 | |
|---|---|---|---|
| Maker | Xiaomi | MoonshotAI | Upstage |
| Usage in free-pi | ~2.8x usage | ~41x usage | ~0.6x usage |
| Intelligence index | 37.9 (best) | — | 28.2 |
| Coding index | — | — | 52.7 |
| Context window | 1,050,000 tokens (best) | 1,048,576 tokens | 524,288 tokens |
| Max output | 131,072 tokens | 943,718 tokens (best) | 131,072 tokens |
| Inputs | Text, image, audio, video (best) | Text, image, video | Text |
| Tool calling | Yes | Yes | Yes |
| Reasoning effort | No | Yes | Yes |
| Structured output | Yes | Yes | Yes |
| Released | Sep 21, 2026 | Oct 23, 2026 | Aug 10, 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.