OpenAI says some ChatGPT models were accidentally trained in a way that could hide parts of their internal reasoning, raising ...

Elon Musk’s court battle against OpenAI has laid bare tensions between the start-up's leaders and raised questions about the ...

Anthropic and OpenAI are entering the world of SaaS – software as a service – but with AI. This may come across as bad news ...

Greg Brockman’s private journals were read in court during Elon Musk’s OpenAI lawsuit, revealing internal struggles, ...

Remember when OpenAI created a bot that could beat humans at Dota 2? As PCG reported last week, that was because Elon Musk ...

OpenAI is widening access to a more permissive version of its GPT-5.5 artificial intelligence model for vetted cybersecurity ...

OpenAI’s Codex Chrome extension pushes the coding agent into signed-in browser work, making it more useful for real tasks while raising new questions about access, approvals, and agentic AI risk.

OpenAI is finally bringing Codex users the ability to remotely control coding sessions from their smartphones.

From claims of safety taking a back seat to the "toxic culture" he created, OpenAI CEO Sam Altman faced a tough day in court.

GPT‑5.5‑Cyber, as the model is called, made its debut on Thursday. It’s available in limited preview through a program called ...

SoftBank Group Corp. SFTBY is reportedly scaling back plans for a margin loan backed by its stake in OpenAI after some lenders raised concerns over the valuation of the privately held artificial ...