OpenAI is upping the ante in artificial intelligence reasoning with the launch of o3-pro today, claiming it’s the most advanced model of its kind. The o3-pro model is a more powerful version of the ...

OpenAI has launched o3-pro, an AI model that the company claims is its most capable yet. O3-pro is a version of OpenAI’s o3, a reasoning model that the startup launched earlier this year. As opposed ...

On Tuesday, OpenAI announced that o3-pro, a new version of its most capable simulated reasoning model, is now available to ChatGPT Pro and Team users, replacing o1-pro in the model picker. The company ...

What happened during the o3 AI shutdown tests? What does it mean when an AI refuses to shut down? A recent test demonstrated this behavior, not just once, but multiple times. In May 2025, an AI safety ...

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OpenAI is keeping up its rapid-fire pace of new AI releases. The company introduced the o3 and o4-mini models to its ChatGPT platform in April. At the time, the business promised that a pro model of ...

OpenAI is updating the AI model powering Operator, its AI agent that can autonomously browse the web and use certain software within a cloud-hosted virtual machine to fulfill users’ requests. Soon, ...

In a head-to-head comparison, o3-pro was far less reliable and secure, and reasoned excessively compared to GPT-4o. Unlike general-purpose large language models (LLMs), more specialized reasoning ...

OpenAI has a new reasoning model called o3-pro that the company says is its most intelligent yet. On Tuesday the ChatGPT maker announced o3-pro on X, sharing some details on its improvement over o3.

A new report claims that OpenAI’s o3 model altered a shutdown script to avoid being turned off, even when explicitly instructed to allow shutdown. OpenAI announced o3 in April 2025, and it's one of ...