Simply put, reasoning models are trained to "think before they speak," meaning they take more time to process the prompt but provide higher-quality responses. As a result, like older models, o3 and o4 ...

On Friday, OpenAI made o3-mini, the company's most cost-efficient AI reasoning model so far, available in ChatGPT and the API. OpenAI previewed the new reasoning model last December, but now all ...

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Microsoft Corp. has released three new advanced small language models artificial intelligence models extending its “Phi” range of AI models that include reasoning capability. The new model releases ...

OpenAI on Friday launched a new AI “reasoning” model, o3-mini, the newest in the company’s o family of reasoning models. OpenAI first previewed the model in December alongside a more capable system ...

On Wednesday, OpenAI launched its latest reasoning models, o3 and o4-mini. As with its other o-series models, OpenAI's o3 and o4-mini think for a longer period of time before responding in order to ...

After previewing the o3-Mini reasoning model during the 12-day Ship-mas event in December, OpenAI is finally releasing the new model to both free and paid users. OpenAI's first-ever 'free' reasoning ...