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[ARTICLE · art-153302] src=byteiota.com ↗ pub= topic=artificial-intelligence verified=true sentiment=↓ negative

MiniMax M3.1 Flash Tops Agent Benchmarks, Hides the Cost

MiniMax launched M3.1 Flash, a 428-billion-parameter mixture-of-experts model priced at $0.15 per million input tokens, which tops enterprise automation benchmarks ahead of Claude Opus 5 (50.3) and GPT-5.6 Sol (45.8) on AutomationBench-AA. Independent reliability testing found a 93% hallucination rate for M3.1 Flash, a figure MiniMax omitted from its launch headline. The model also scores 73.7% on DeepSWE v1.1 and 82% on CyberGym.

read1 min views2 publishedOct 19, 2026

MiniMax launched M3.1 Flash today — a 428-billion-parameter mixture-of-experts model that beats Claude Opus 5 and GPT-5.6 Sol on enterprise automation benchmarks at $0.15 per million input tokens. The headline is accurate. What MiniMax doesn’t put in the headline: a 93% hallucination rate on independent reliability testing. Before you start migrating agentic pipelines, you need both numbers. What MiniMax Is Claiming On AutomationBench-AA — a benchmark for complex enterprise agent workflows — M3.1 Flash tops all comers, leaving Claude Opus 5 at 50.3 and GPT-5.6 Sol at 45.8 behind. It scores 73.7% on DeepSWE v1.1 (software engineering), 82% on CyberGym […]

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