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