Model Card: MiniMax M3.1 Flash
MiniMax M3.1 Flash: 428B total parameters, ~23B active (MoE), 1M context window, $0.15 input / $0.60 output per 1M tokens, cache reads at just $0.015. In MiniMax's own comparison table it scores 62.2 on Automation-Bench v1.0.6, ahead of DeepSeek V4.1 Flash 1017 (60.5) and Claude Opus 5 (50.3), but trails on DeepSWE and Terminal Bench 4.0. VentureBeat, citing Artificial Analysis's AA-Omniscience benchmark, reports a notably higher hallucination rate; weights are due 2026-10-23 and the license is still undisclosed.