free-pi

Compare models

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

Gemini 4 Argon FlexKimi K3.1 ProMuse Spark 1.3 Contributor
MakerGoogleMoonshotAIMeta
Usage in free-pislower, half price · ~20x usage~41x usagetrains on your data (free-pi + Meta) · ~2.0x usage
Intelligence index52.6——
Coding index———
Context window1,048,576 tokens (best)1,048,576 tokens (best)1,048,576 tokens (best)
Max output943,718 tokens (best)943,718 tokens (best)943,718 tokens (best)
InputsText, image, file, audio, video (best)Text, image, videoText, image, file, video
Tool callingYesYesYes
Reasoning effortYesYesYes
Structured outputYesYesYes
ReleasedOct 13, 2026Oct 23, 2026Sep 2, 2026
Model pageModel 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.