Compare models
Pick up to 4. Every model here is free in free-pi.
| Attribute | Particle | MiMo V2.6 Flash (Xiaomi) | GPT-6 Luna | GPT-6.1 Sol Flex |
|---|---|---|---|---|
| Maker | — | Xiaomi | OpenAI | OpenAI |
| Usage in free-pi | 🔥 Free Unlimited: limited time | ~2.8x usage | ~2.0x usage | slower · ~41x usage |
| Intelligence index | — | 26.7 | 27.9 | 54.6 (best) |
| Coding index | — | — | — | — |
| Context window | — | 1,050,000 tokens (best) | 1,050,000 tokens (best) | 1,050,000 tokens (best) |
| Max output | — | 131,072 tokens (best) | 128,000 tokens | 128,000 tokens |
| Inputs | — | Text, image, audio, video (best) | Text, image, file | Text, image, file |
| Tool calling | — | Yes | Yes | Yes |
| Reasoning effort | — | No | Yes | Yes |
| Structured output | — | Yes | Yes | Yes |
| Released | — | Sep 21, 2026 | Sep 22, 2026 | Sep 29, 2026 |
| Model page | Model page | Model page | Model page | Model page |
Stats refreshed automatically. Usage rate from free-pi. Green marks the best value in each row. “—” means no figure is available.