free-pi

Compare models

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

Laguna S 2.1 (Poolside)Kimi K3.1 ProSolar Pro 4
MakerPoolsideMoonshotAIUpstage
Usage in free-pifree preview, rate-limited · free, then ~1.8x usage~41x usage~0.6x usage
Intelligence index——28.2
Coding index——52.7
Context window262,144 tokens1,048,576 tokens (best)524,288 tokens
Max output32,768 tokens943,718 tokens (best)131,072 tokens
InputsTextText, image, video (best)Text
Tool callingYesYesYes
Reasoning effortNoYesYes
Structured outputNoYesYes
ReleasedJul 21, 2026Oct 23, 2026Aug 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.