free-pi

Compare models

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

AttributeGPT-6.1 Terra FlexKimi K3.1 ProGPT-6.1 Terra
MakerOpenAIMoonshotAIOpenAI
Usage in free-pislower · ~20x usagecredit users · ~41x usagepremium, uses allowance fast · ~20x usage
Intelligence index51 (best)4651 (best)
Coding index———
Context window1,050,000 tokens (best)1,048,576 tokens1,050,000 tokens (best)
Max output128,000 tokens943,718 tokens (best)128,000 tokens
InputsText, image, file (best)Text, image, video (best)Text, image, file (best)
Tool callingYesYesYes
Reasoning effortYesYesYes
Structured outputYesYesYes
ReleasedOct 26, 2026Oct 23, 2026Oct 26, 2026
Model pageModel page Model page Model page

Stats refreshed automatically. Usage rate from free-pi. Green marks the best value in each row. “—” means no figure is available.