free-pi

Compare models

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

Defense FlashSolar Pro 4Kimi K3.1 ProLaguna S 2.1 (Poolside)
Maker—UpstageMoonshotAIPoolside
Usage in free-pi~20x usage~0.6x usage~41x usagefree preview, rate-limited · free, then ~1.8x usage
Intelligence index—28.2——
Coding index—52.7——
Context window—524,288 tokens1,048,576 tokens (best)262,144 tokens
Max output—131,072 tokens943,718 tokens (best)32,768 tokens
Inputs—TextText, image, video (best)Text
Tool calling—YesYesYes
Reasoning effort—YesYesNo
Structured output—YesYesNo
Released—Aug 10, 2026Oct 23, 2026Jul 21, 2026
Model pageModel page Model 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.