OpenAI's GPT-5.5 is the second AI system to complete a simulated corporate network intrusion end-to-end, raising alarms.

Elon Musk, the world's richest person, took the stand and testified over the course of three days in his trial against OpenAI CEO Sam Altman.

Microsoft's relationship with OpenAI has always been complicated, so I expected the close partnership-turned-situationship to end in tears. After all, executive

In a federal courtroom in California on Thursday, Elon Musk testified that his own AI startup, xAI, has used OpenAI's models to improve its own. The matter at q

Elon Musk spent three days testifying as the first witness in his trial against OpenAI.

One of Elon Musk’s abiding fears is that A.I. could one day threaten humans. But the jurors deciding his suit against OpenAI probably won’t hear about it.

In a landmark trial between Elon Musk and OpenAI’s Sam Altman, the origins of OpenAI are being examined. The Times’s technology reporter Cade Metz explains what

Will the rising tide of A.I. adoption lift all boats?

"Distillation" is a hot topic as frontier labs try to prevent smaller competitors from copying their models.

OpenAI is launching additional opt-in protections for ChatGPT accounts. The new security initiative includes a new partnership with security key provider Yubico

OpenAI will begin rolling out its cybersecurity testing tool, GPT-5.5 Cyber only "to critical cyber defenders" at first.

OpenAI's new opt-in security feature requires passkeys, limits recovery options, and excludes chats from training.

The admission in federal court is a rare acknowledgment of the use of distillation techniques as AI firms compete to build more capable and cheaper models.

Sam Altman suggested it would be released more widely than a rival offering from Anthropic. Some are suggesting it’s because OpenAI has more computing power.

OpenAI is opening up about its goblin problem. After a report from Wired revealed instructions to OpenAI's coding model to "never talk about goblins, gremlins,

Microsoft gets to offer OpenAI's tech to its cloud customers and doesn't have to pay for it. "We fully plan to exploit it," Nadella said.

Elon Musk took the stand for the second day for his attempt to legally dismantle OpenAI.

OpenAI is preparing to launch a new frontier cybersecurity model, GPT-5.5-Cyber. CEO Sam Altman said the model will not be available to the general public, but

Tensions flared on the third day of trial in Musk v. Altman as OpenAI’s lawyers cross-examined Musk.

OpenAI scales Stargate to build the compute infrastructure powering AGI, adding new data center capacity to meet growing AI demand.