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MiniMax M3.1 Flash reportedly scores 73.3 on BuildingBench
EnactraAI ranks the open model #12 and says it replaces SWE-2 on BuildingBench’s cost–quality Pareto frontier.
TLDR
EnactraAI says MiniMax M3.1 Flash scored 73.3 overall on BuildingBench, ranking #12 and replacing SWE-2, which scored 67.3, on its cost–quality Pareto frontier. It puts the model’s best reconstruction score at 88.8 for Melbourne’s Australian Centre for Contemporary Art and says the model was free through OpenRouter as of October 19, 2026.
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