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Muse Spark Open (Meta) GPT-6.1 Terra GPT-OSS 120B
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| Attribute | Muse Spark Open (Meta) | GPT-6.1 Terra | GPT-OSS 120B |
|---|---|---|---|
| Maker | Meta | OpenAI | OpenAI |
| Usage in free-pi | premium, uses allowance fast · ~25x usage | premium, uses allowance fast · ~20x usage | ~3.0x usage |
| Intelligence index | 24.7 | 51 (best) | — |
| Coding index | — | — | 30.4 |
| Context window | 1,048,576 tokens | 1,050,000 tokens (best) | 131,072 tokens |
| Max output | 943,718 tokens (best) | 128,000 tokens | 65,536 tokens |
| Inputs | Text, image, file, audio, video (best) | Text, image, file | Text |
| Tool calling | Yes | Yes | Yes |
| Reasoning effort | Yes | Yes | Yes |
| Structured output | Yes | Yes | Yes |
| Released | Oct 15, 2026 | Oct 26, 2026 | Aug 5, 2025 |
| 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.