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o3-mini

Cost-efficient STEM reasoning model with adjustable effort; fast; accessible to more users.

Cost-efficient reasoning variant redefining performance-cost frontier for advanced models. Designed specifically for STEM tasks including coding, mathematics, and scientific problem-solving. Delivers 24% faster responses than older comparable models. Made available to free ChatGPT users democratizing advanced reasoning capabilities. o3-mini-high variant for Pro subscribers enables "thinking harder" producing superior answers. Features adaptive thinking time allowing users to adjust reasoning effort based on task complexity. Low-effort reasoning maximizes speed for simpler problems. Combines accessible pricing with strong STEM performance. Ideal for students, researchers, and developers seeking reasoning power without enterprise pricing.

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