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GPT-6.1 Terra Flex GPT-OSS 120B
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| Attribute | GPT-6.1 Terra Flex | GPT-OSS 120B |
|---|---|---|
| Maker | OpenAI | OpenAI |
| Usage in free-pi | slower · ~20x usage | ~3.0x usage |
| Intelligence index | 51 | — |
| Coding index | — | 30.4 |
| Context window | 1,050,000 tokens (best) | 131,072 tokens |
| Max output | 128,000 tokens (best) | 65,536 tokens |
| Inputs | Text, image, file (best) | Text |
| Tool calling | Yes | Yes |
| Reasoning effort | Yes | Yes |
| Structured output | Yes | Yes |
| Released | Oct 26, 2026 | Aug 5, 2025 |
| 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.