OpenAI Unveils o3, a Reasoning-Focused AI Model

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OpenAI Unveils o3, a Reasoning-Focused AI Model
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OpenAI has released o3, a new AI model designed to excel in complex reasoning tasks. This follows Google's announcement of its own reasoning model, Gemini 2.0 Flash Thinking. Both models demonstrate significant advancements in logical thinking and problem-solving capabilities.

OpenAI today announced an improved version of its most capable artificial intelligence model to date—one that takes even more time to deliberate over questions—just a day after Google announced its first model of this type. OpenAI’s new model, called o3, replaces o1, which the company introduced in September. Like o1, the new model spends time ruminating over a problem in order to deliver better answers to questions that require step-by-step logical reasoning.

The new models also show how AI companies are increasingly looking beyond simply scaling up AI models in order to wring greater intelligence out of them. OpenAI says there are two versions of the new model, o3 and o3-mini. The company is not making the models publicly available yet but says it will invite outsiders to apply to perform testing of them. OpenAI today also revealed more details of techniques used to align o1.

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