Compare models
Pick up to 4. Every model here is free in free-pi.
| Attribute | GPT-OSS 120B | Particle | Solar Pro 4 | DeepSeek V4 Flash |
|---|---|---|---|---|
| Maker | OpenAI | — | Upstage | DeepSeek |
| Usage in free-pi | ~3.0x usage | 🔥 Free Unlimited: limited time | ~0.6x usage | 1x usage (default) |
| Intelligence index | — | — | 28.2 | — |
| Coding index | 30.4 | — | 52.7 | 69.1 (best) |
| Context window | 131,072 tokens | — | 524,288 tokens | 1,048,576 tokens (best) |
| Max output | 65,536 tokens | — | 131,072 tokens | 943,718 tokens (best) |
| Inputs | Text (best) | — | Text (best) | Text (best) |
| Tool calling | Yes | — | Yes | Yes |
| Reasoning effort | Yes | — | Yes | Yes |
| Structured output | Yes | — | Yes | Yes |
| Released | Aug 5, 2025 | — | Aug 10, 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.