free-pi

Compare models

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

Defense FlashGPT-6.1 SolLaguna S 2.1 (Poolside)GPT-6 Luna
Maker—OpenAIPoolsideOpenAI
Usage in free-pi~20x usagepremium, uses allowance fast · ~41x usagefree preview, rate-limited · free, then ~1.8x usage~2.0x usage
Intelligence index—51.8 (best)—38.1
Coding index————
Context window—1,050,000 tokens (best)262,144 tokens1,050,000 tokens (best)
Max output—128,000 tokens (best)32,768 tokens128,000 tokens (best)
Inputs—Text, image, file (best)TextText, image, file (best)
Tool calling—YesYesYes
Reasoning effort—YesNoYes
Structured output—YesNoYes
Released—Sep 29, 2026Jul 21, 2026Sep 22, 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.