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Pick up to 4. Every model here is free in free-pi.
GPT-OSS 120B Claude Haiku 5.5 Kimi K3.1 Pro
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- Particle
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| Attribute | GPT-OSS 120B | Claude Haiku 5.5 | Kimi K3.1 Pro |
|---|---|---|---|
| Maker | OpenAI | Anthropic | MoonshotAI |
| Usage in free-pi | ~3.0x usage | ~2.0x usage | daily limit · ~41x usage |
| Intelligence index | — | 36.5 | 46.5 (best) |
| Coding index | 30.4 | — | — |
| Context window | 131,072 tokens | 1,000,000 tokens | 1,048,576 tokens (best) |
| Max output | 65,536 tokens | 128,000 tokens | 943,718 tokens (best) |
| Inputs | Text | Text, image, file (best) | Text, image, video (best) |
| Tool calling | Yes | Yes | Yes |
| Reasoning effort | Yes | Yes | Yes |
| Structured output | Yes | Yes | Yes |
| Released | Aug 5, 2025 | Oct 7, 2026 | Oct 23, 2026 |
| 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.