MiniMaxLaunchAI ModelsOctober 19, 2026

MiniMax releases M3.1 Flash: 428B open-weight agentic model

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MiniMax M3.1 Flash is a 428B-parameter MoE with ~23B active per token and a 1M-token context, priced at $0.15 per 1M input tokens. MiniMax claims 70% lower agent costs and 62.2 on Automation-Bench v1.0.6, but scores 38.1 on Terminal Bench 4.0 versus 51.8 for Opus 5.

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4 days · 5 reports · 45 community posts · from Oct 19

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