free-pi

Compare models

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

GPT-6 LunaClaude Haiku 5.5Defense FlashGLM 5.3 Flash
MakerOpenAIAnthropic—Z.ai
Usage in free-pi~2.0x usage~2.0x usage~20x usage~1.5x usage
Intelligence index38.143.4 (best)—41.8
Coding index———71.5
Context window1,050,000 tokens (best)1,000,000 tokens—1,048,576 tokens
Max output128,000 tokens128,000 tokens—943,717 tokens (best)
InputsText, image, file (best)Text, image, file (best)—Text, image, video (best)
Tool callingYesYes—Yes
Reasoning effortYesYes—Yes
Structured outputYesYes—Yes
ReleasedSep 22, 2026Oct 7, 2026—Aug 26, 2026
Model pageModel page Model 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.