free-pi

Compare models

Pick up to 4. Every model here is free in free-pi.

Defense FlashGPT-OSS 120BSolar Pro 4
Maker—OpenAIUpstage
Usage in free-pi~20x usage~0.6x usage~0.6x usage
Intelligence index—11.628.2 (best)
Coding index—30.452.7 (best)
Context window—131,072 tokens524,288 tokens (best)
Max output—65,536 tokens131,072 tokens (best)
Inputs—Text (best)Text (best)
Tool calling—YesYes
Reasoning effort—YesYes
Structured output—YesYes
Released—Aug 5, 2025Aug 10, 2026
Model pageModel 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.