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

AttributeGPT-6.1 Sol FlexGLM 5.3 FlashDeepSeek V4 Pro
MakerOpenAIZ.aiDeepSeek
Usage in free-pislower · ~41x usage🔥 Free Unlimited: limited time~18x usage
Intelligence index54.6 (best)27.812.6
Coding index—71.5—
Context window1,050,000 tokens (best)1,048,576 tokens1,048,576 tokens
Max output128,000 tokens943,717 tokens (best)393,216 tokens
InputsText, image, file (best)Text, image, video (best)Text
Tool callingYesYesYes
Reasoning effortYesYesYes
Structured outputYesYesYes
ReleasedSep 29, 2026Aug 26, 2026Apr 24, 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.