Compare models
Pick up to 4. Every model here is free in free-pi.
| Defense Flash | DeepSeek V4 Pro | DeepSeek V4.1 Flash | Defense Flash 2 | |
|---|---|---|---|---|
| Maker | — | DeepSeek | DeepSeek | — |
| Usage in free-pi | ~20x usage | ~8.6x usage | ~3.0x usage | ~20x usage |
| Intelligence index | — | 30.4 | 39.5 (best) | — |
| Coding index | — | 59.4 | — | — |
| Context window | — | 1,048,576 tokens (best) | 1,048,576 tokens (best) | — |
| Max output | — | 384,000 tokens | 393,216 tokens (best) | — |
| Inputs | — | Text | Text, image (best) | — |
| Tool calling | — | Yes | Yes | — |
| Reasoning effort | — | Yes | Yes | — |
| Structured output | — | Yes | Yes | — |
| Released | — | Apr 24, 2026 | Oct 17, 2026 | — |
| Model page | 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.