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MiniMax will release the weights for its M3.1 Flash AI model, formerly known as 'Space Bunny', on Oct 23. The model runs at 3x the speed of the M3 model at one third the cost, with flat rate API pricing of $0.15 per 1 million input tokens and $0.60 per 1 million output tokens. Performance benchmarks include a 74% score on DeepSWE for coding and 91% on BabyVision for visual reasoning. During its stealth phase, MiniMax used performance feedback to cut error rates to 0.7% and increase throughput to 100 tokens per second. The vLLM project has already shipped Day-0 support for the architecture.
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Key sources
- SOURCE@minimax_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%)”x.com
- SOURCE@openrouter“Space Bunny was OpenRouter’s #1 model for 10 straight days, processing 56.7T tokens!”x.com
- SUPPORT@openrouter“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%)”x.com
- SUPPORT@openrouter“Model weights will arrive on Oct 23”x.com
- SUPPORT@kimmonismus“MiniMax M3.1 Flash matches DeepSeek V4.1 Flash’s off-peak input/output pricing and halves its peak rates”x.com
- SUPPORT@teortaxestex“DeepSeek’s strongest model today has fewer total and much fewer active params than V3 in Dec 2024”x.com
- SOURCEmarketbrief.now
- SOURCEmarktechpost.com