OpenAI launches o3-mini, a new AI reasoning model on Friday. Here are the highlights - -> More reliable: Fact-checks before responding, excelling in STEM fields like programming, math, and science. -> Faster & cheaper: 63% lower cost than o1-mini, with better performance in key areas. -> Competes with DeepSeek R1: Wins some benchmarks but lags in PhD-level science questions at lower reasoning effort. -> New "Reason" feature: Lets users pick reasoning effort for speed vs. accuracy trade-offs. -> Available now: Free users can try it in ChatGPT; paid plans get higher limits. API access for developers starts Friday.
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