free-pi

Compare models

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

Defense Flash 2GLM 5.3 FlashDefense FlashMuse Spark Open (Meta)
Maker—Z.ai—Meta
Usage in free-pi~20x usage~1.5x usage~20x usagepremium, uses allowance fast · ~25x usage
Intelligence index—41.8——
Coding index—71.5——
Context window—1,048,576 tokens (best)—1,048,576 tokens (best)
Max output—943,717 tokens—943,718 tokens (best)
Inputs—Text, image, video—Text, image, file, audio, video (best)
Tool calling—Yes—Yes
Reasoning effort—Yes—Yes
Structured output—Yes—Yes
Released—Aug 26, 2026—Oct 15, 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.