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This repository releases the official code for Mini-o3. We achieve the state-of-the-art results on various benchmarks and present a full training recipe to reproduce the OpenAI o3-style deep ...

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 ...

o3 used to be too slow and too expensive for daily coding—no longer. The latency is now bearable, the price is sane, and the chain-of-thought pays off. On June 10, OpenAI slashed the list price of its ...

OpenAI Releases o3-pro, an Upgrade to Its ‘Most Intelligent Model’ Your email has been sent Comparative evaluations Pass@1 accuracy and efficiency benchmarks 4/4 ...

OpenAI has released the o3-pro model for ChatGPT Pro and Team users. It's the most capable reasoning AI model by OpenAI yet. It uses o3 as the underlying model, but does extended thinking to solve ...

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.

OpenAI is planning to ship an update to ChatGPT that will turn on the new o3 Pro model, which has more compute to think harder. ChatGPT currently offers o4-mini, o4-mini-high, GPT-4.5, GPT-4.1, ...

A security researcher has discovered a novel security flaw in the Linux kernel using the OpenAI o3 reasoning model. The new vulnerability has been documented under CVE-2025-37899. An official patch ...

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 ...