Compare models
Pick up to 4. Every model here is free in free-pi.
| Attribute | DeepSeek V4.1 Flash | Particle | DeepSeek V4 Flash | Kimi K3.1 Pro |
|---|---|---|---|---|
| Maker | DeepSeek | — | DeepSeek | MoonshotAI |
| Usage in free-pi | 🔥 Free Unlimited: limited time | 🔥 Free Unlimited: limited time | 1x usage (default) | daily limit · ~41x usage |
| Intelligence index | 28.6 | — | — | 46.5 (best) |
| Coding index | — | — | 69.1 | — |
| Context window | 1,048,576 tokens (best) | — | 1,048,576 tokens (best) | 1,048,576 tokens (best) |
| Max output | 393,216 tokens | — | 943,718 tokens (best) | 943,718 tokens (best) |
| Inputs | Text, image | — | Text | Text, image, video (best) |
| Tool calling | Yes | — | Yes | Yes |
| Reasoning effort | Yes | — | Yes | Yes |
| Structured output | Yes | — | Yes | Yes |
| Released | Oct 17, 2026 | — | Jul 31, 2026 | Oct 23, 2026 |
| Model page | 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.