Compare models
Pick up to 4. Every model here is free in free-pi.
| Attribute | Particle | DeepSeek V4 Flash | Solar Pro 4 | DeepSeek V4.1 Flash |
|---|---|---|---|---|
| Maker | — | DeepSeek | Upstage | DeepSeek |
| Usage in free-pi | 🔥 Free Unlimited: limited time | 1x usage (default) | ~0.6x usage | 🔥 Free Unlimited: limited time |
| Intelligence index | — | — | 28.2 | 28.6 (best) |
| Coding index | — | 69.1 (best) | 52.7 | — |
| Context window | — | 1,048,576 tokens (best) | 524,288 tokens | 1,048,576 tokens (best) |
| Max output | — | 943,718 tokens (best) | 131,072 tokens | 393,216 tokens |
| Inputs | — | Text | Text | Text, image (best) |
| Tool calling | — | Yes | Yes | Yes |
| Reasoning effort | — | Yes | Yes | Yes |
| Structured output | — | Yes | Yes | Yes |
| Released | — | Jul 31, 2026 | Aug 10, 2026 | Oct 17, 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.