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Claude Haiku 5.5 Muse Spark 1.3 Contributor GPT-6.1 Terra
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| Attribute | Claude Haiku 5.5 | Muse Spark 1.3 Contributor | GPT-6.1 Terra |
|---|---|---|---|
| Maker | Anthropic | Meta | OpenAI |
| Usage in free-pi | ~2.0x usage | trains on your data (free-pi + Meta) · ~2.0x usage | premium, uses allowance fast · ~20x usage |
| Intelligence index | 36.5 | — | 51.3 (best) |
| Coding index | — | — | — |
| Context window | 1,000,000 tokens | 1,048,576 tokens | 1,050,000 tokens (best) |
| Max output | 128,000 tokens | 943,718 tokens (best) | 128,000 tokens |
| Inputs | Text, image, file | Text, image, file, video (best) | Text, image, file |
| Tool calling | Yes | Yes | Yes |
| Reasoning effort | Yes | Yes | Yes |
| Structured output | Yes | Yes | Yes |
| Released | Oct 7, 2026 | Sep 2, 2026 | Oct 26, 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.