MiniMax M3.1 Flash vs. MiniMax M3: One is cheaper, but not faster or better

MiniMax released M3.1 Flash on October 19, 2026, and says it cuts the overall cost of agentic tasks by 70% and makes online inference nearly three times faster than M3. MiniMax lists Flash at $0.15 per million input tokens and $0.60 per million output tokens. Those are half M3’s discounted rates of $0.30 and $1.20 for requests with no more than 512K input tokens; cached input and longer M3 requests have separate rates. Online inference speed differs from the time needed to finish a tool-using task. Artificial Analysis independently scored M3.1 Flash at 72.5% on AutomationBench-AA, a test of...

Source: The New Stack

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