So when it comes to models that the general public can access, GPT-5.5 has retaken the crown for OpenAI, achieving the state-of-the-art across 14 benchmarks.

On Thursday, Anthropic’s chief rival, OpenAI, took a different approach. The company unveiled a new flagship A.I. model, GPT-5.5, and began sharing the technology with the hundreds of millions of people who use ChatGPT, its online chatbot.

OpenAI is introducing an artificial intelligence model that’s intended to be better at completing work without much direction, part of a push to keep pace with rivals like Anthropic PBC in courting business customers.

OpenAI unveiled on Wednesday ChatGPT for Clinicians, a version of ChatGPT designed to support clinical tasks like documentation and medical research. | OpenAI unveiled on Wednesday ChatGPT for Clinicians,

OpenAI launches ChatGPT for Clinicians, offering free AI tools to U.S. physicians and pharmacists for documentation and research support.

Robinhood Markets has outlined its principles for opening private markets to retail investors through Robinhood Ventures, while simultaneously securing regulatory approval to offe

The San Francisco unit where two of OpenAI’s founders Greg Brockman and Sam Altman began the company has been listed for $1.545 million.

Put simply: these agents can be created and accessed from ChatGPT, but users can also add them to third-party apps like Slack, communicate with them across disparate channels, ask them to use information from the channel they're in and other third-party tools and apps.