free-pi

Compare models

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

Claude Sonnet 5.5Defense FlashLaguna S 2.1 (Poolside)GLM 5.3 Flash
MakerAnthropic—PoolsideZ.ai
Usage in free-pipremium, uses allowance fast · ~41x usage~20x usagefree preview, rate-limited · free, then ~1.8x usage~1.5x usage
Intelligence index56 (best)——41.8
Coding index———71.5
Context window1,000,000 tokens—262,144 tokens1,048,576 tokens (best)
Max output128,000 tokens—32,768 tokens943,717 tokens (best)
InputsText, image, file (best)—TextText, image, video (best)
Tool callingYes—YesYes
Reasoning effortYes—NoYes
Structured outputYes—NoYes
ReleasedSep 28, 2026—Jul 21, 2026Aug 26, 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.