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Pick up to 4. Every model here is free in free-pi.
Defense Flash Defense Flash 2 GPT-6.1 Sol
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| Defense Flash | Defense Flash 2 | GPT-6.1 Sol | |
|---|---|---|---|
| Maker | — | — | OpenAI |
| Usage in free-pi | ~20x usage | ~20x usage | premium, uses allowance fast · ~41x usage |
| Intelligence index | — | — | 51.8 |
| Coding index | — | — | — |
| Context window | — | — | 1,050,000 tokens |
| Max output | — | — | 128,000 tokens |
| Inputs | — | — | Text, image, file |
| Tool calling | — | — | Yes |
| Reasoning effort | — | — | Yes |
| Structured output | — | — | Yes |
| Released | — | — | Sep 29, 2026 |
| Model page | Model page | Model page | Model page |
Stats from OpenRouter; refreshed automatically. Usage rate from free-pi. Green marks the best value in each row. “—” means no figure is available.