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Pick up to 4. Every model here is free in free-pi.
MiMo V2.6 Flash (Xiaomi) Defense Flash GPT-6 Luna Flex
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| MiMo V2.6 Flash (Xiaomi) | Defense Flash | GPT-6 Luna Flex | |
|---|---|---|---|
| Maker | Xiaomi | — | OpenAI |
| Usage in free-pi | ~2.8x usage | ~20x usage | slower, half price · ~1x usage |
| Intelligence index | 37.9 | — | 38.1 (best) |
| Coding index | — | — | — |
| Context window | 1,050,000 tokens (best) | — | 1,050,000 tokens (best) |
| Max output | 131,072 tokens (best) | — | 128,000 tokens |
| Inputs | Text, image, audio, video (best) | — | Text, image, file |
| Tool calling | Yes | — | Yes |
| Reasoning effort | No | — | Yes |
| Structured output | Yes | — | Yes |
| Released | Sep 21, 2026 | — | Sep 22, 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.