MiniMax M3.1 Flash Revealed as OpenRouter's 'Space Bunny' Stealth Model, Free for 72 Hours

Key Info

MiniMax revealed that the stealth model 'Space Bunny' on OpenRouter was an early build of M3.1 Flash, and the final version is now live and free on OpenRouter for 72 hours.

Highlights

• Space Bunny held the #1 spot on OpenRouter for 10 consecutive days, processing 56.7T tokens — the most of any stealth model OpenRouter has run.
• Space Bunny left OpenRouter on Oct 5 and returned today as MiniMax's M3.1 Flash.
• The final M3.1 Flash build is free on OpenRouter for the next 72 hours.
• MiniMax credits developers who used the early build and teases improved performance in the final release.