free-pi

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

AttributeGPT-6.1 TerraMuse Spark Open (Meta)GPT-6.1 Sol Flex
MakerOpenAIMetaOpenAI
Usage in free-pipremium, uses allowance fast · ~20x usagepremium, uses allowance fast · ~25x usageslower · ~41x usage
Intelligence index5124.754.5 (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, fileText, image, file, audio, video (best)Text, image, file
Tool callingYesYesYes
Reasoning effortYesYesYes
Structured outputYesYesYes
ReleasedOct 26, 2026Oct 15, 2026Sep 29, 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.