Stealth model reveal 🐰 Space Bunny was OpenRouter’s #1 model for 10 straight days, processing 56.7T tokens! The most of any stealth model we’ve run. Space Bunny hopped off OpenRouter on Oct 5. It's back today as @MiniMax_AI's M3.1 Flash, and it's free for the next 72 hours.
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Thank you to everyone who put it through its paces. Your feedback helped MiniMax fix bugs and ship upgrades mid-stealth: - 38% faster time to first token (1.95s → 1.22s) - 45% more throughput (70 → 100 tok/s) - Error rate cut in half (1.4% → 0.7%)
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MiniMax reports 72.5% on AutomationBench-AA and 73.67% on DeepSWE. In their evals it also edges DeepSeek V4.1 Flash (1017) on Automation-Bench and HLE. After the free period: $0.15/M input, $0.60/M output, $0.015/M cached input. MiniMax plans to release the weights later this week.
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MiniMax M3.1 Flash: Space Performance + Bunny Speed 🚀🐰 Yes, Space Bunny - which has topped global leaderboards with 200T+ tokens - was an earlier version of M3.1 Flash. 💰Redefining the performance economics of agentic AI. M3.1 Flash achieves frontier-level intelligence across key tasks such as Cowork (Automation-Bench: 62%; ALE: 30%), Coding (DeepSWE: 74%) and Visual Reasoning (BabyVision: 91%), at 1/3 the cost of M3 and 3x the speed. API pricing (flat rate): $0.15 / $0.60 per 1M input/output tokens, with cache reads at $0.015 / 1M tokens. Model weights will arrive on Oct 23. API: platform.minimax.io M Plan: minimax.io/m-plan MiniMax Code for desktop: agent.minimax.io/download
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Replying to @OpenRouter
space bunny was minimax the whole time. sat at #1 for ten days and nobody knew. best stealth drop this year
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