free-pi

Compare models

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

Defense FlashKimi K3.1 ProGPT-OSS 120B
Maker—MoonshotAIOpenAI
Usage in free-pi~20x usage~41x usage~0.6x usage
Intelligence index——11.6
Coding index——30.4
Context window—1,048,576 tokens (best)131,072 tokens
Max output—943,718 tokens (best)65,536 tokens
Inputs—Text, image, video (best)Text
Tool calling—YesYes
Reasoning effort—YesYes
Structured output—YesYes
Released—Oct 23, 2026Aug 5, 2025
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.