free-pi

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

AttributeGPT-6.1 Terra FlexGLM 5.3 FlashKimi K3.1 Pro
MakerOpenAIZ.aiMoonshotAI
Usage in free-pislower · ~20x usage~1.5x usagecredit users · ~41x usage
Intelligence index51 (best)27.846
Coding index—71.5—
Context window1,050,000 tokens (best)1,048,576 tokens1,048,576 tokens
Max output128,000 tokens131,072 tokens943,718 tokens (best)
InputsText, image, file (best)Text, image, video (best)Text, image, video (best)
Tool callingYesYesYes
Reasoning effortYesYesYes
Structured outputYesYesYes
ReleasedOct 26, 2026Aug 26, 2026Oct 23, 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.