MiniMax M3.1 Flash Revealed as OpenRouter's 'Space Bunny' Stealth Model

Key Info

OpenRouter revealed that "Space Bunny," its #1 stealth model for 10 straight days, was an early version of MiniMax's M3.1 Flash. The model processed 56.7T tokens on OpenRouter, the most of any stealth model run there, and is free on the platform for the next 72 hours.

Highlights

• Space Bunny topped OpenRouter for 10 consecutive days with 56.7T tokens processed, the highest of any stealth model OpenRouter has run
• It left OpenRouter on Oct 5 and returns as MiniMax M3.1 Flash
• MiniMax says the model has topped global leaderboards with 200T+ tokens
• M3.1 Flash is positioned around the performance economics of agentic AI, claiming frontier-level intelligence on key tasks
• Free access on OpenRouter for 72 hours