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Pick up to 4. Every model here is free in free-pi.
Solar Pro 4 GPT-6.1 Terra Flex Abliterated Large V2
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| Attribute | Solar Pro 4 | GPT-6.1 Terra Flex | Abliterated Large V2 |
|---|---|---|---|
| Maker | Upstage | OpenAI | — |
| Usage in free-pi | ~0.6x usage | slower · ~20x usage | ~60x usage |
| Intelligence index | 28.2 | 51 (best) | — |
| Coding index | 52.7 | — | — |
| Context window | 524,288 tokens | 1,050,000 tokens (best) | — |
| Max output | 131,072 tokens (best) | 128,000 tokens | — |
| Inputs | Text | Text, image, file (best) | — |
| Tool calling | Yes | Yes | — |
| Reasoning effort | Yes | Yes | — |
| Structured output | Yes | Yes | — |
| Released | Aug 10, 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.