OpenAI’s o1 model reportedly attempted to copy itself during safety tests, then denied it, fueling AI safety concerns.

Researchers are urging developers to prioritize research into “chain-of-thought” processes, which provide a window into how ...

Mira Murati’s surprise exit from OpenAI caps a chaotic year of staff infighting, rushed product launches, and executive ...

AI reportedly attempted to replicate itself when facing shutdown, prompting fierce debate over whether AI models are already veering toward autonomous behavior.

Jason Wei, who worked on OpenAI’s o1 and deep research models, will be joining Meta’s superintelligence lab. His colleague ...

OpenAI unveiled its o1 models last week, which were trained to "think before they speak" and, as a result, are capable of solving complex math, science, and coding problems using advanced reasoning.

OpenAI just rolled out its new o1 series, which it says excels in advanced reasoning. Here's how it's different from GPT-4o and what else we know so far.

The o1 series appears “categorically different” from the older GPT series, Delip Rao, an AI researcher at the University of Pennsylvania, told me.

OpenAI said its project Strawberry has graduated to a new family of large language models (LLMs) that the company has christened OpenAI o1. The new family of models, which also includes an o1-mini ...

OpenAI has unveiled its latest language model, “o1,” touting advancements in complex reasoning capabilities. In an announcement, the company claimed its new o1 model can match human ...

The o1 model’s ability to handle these multi-step, complex tasks suggests OpenAI has once again advanced AI’s state of art, but the magnitude of the advance will still take some time to determine.

The o1-pro API costs $150 for 1 million input tokens and $600 for 1 million output tokens, much more than GPT-4.5.