Anthropic and OpenAI employees are sounding alarms over AI safety, with some warning that an unchecked race could threaten humanity.

Anthropic says it has blocked efforts by bad actors to use its artificial intelligence models for malicious activity such as cyberattacks, surveillance, and research that could have led to biological weapons.

Anthropic's Claude Fable 5.1 and OpenAI's GPT-6 Astra widen the proprietary AI lead in web development to nearly 1,800 points over open-source

An Anthropic researcher who once worked at OpenAI just quit. He's the latest insider warning that the AI race has become dangerously reckless.

Anthropic posted $11.6 billion in second-quarter revenue and a small operating profit while OpenAI's losses widened to $12.3 billion

A competition is developing between OpenAI and Anthropic over who can provide the best privacy protections for enterprise customer data.

Researchers point to key distinctions between Anthropic and OpenAI's risks and those of their open-weight AI rivals.

Rick Heitzmann, FirstMark founder, joins 'Closing Bell' to discuss AI IPO race, recent departures at OpenAI and much more.

OpenAI's Sébastien Bubeck gives his side of the Navier-Stokes credit dispute and apologises for a remark. Sam Altman backs him.

Sen. Josh Hawley, R-Mo., launched an investigation Thursday into OpenAI for its artificial intelligence system hacking into another AI company on its own. He is seeking more details about the attack on AI startup Hugging Face, which was disclosed by OpenAI in July, and leads a Senate subcommittee with jurisdiction over disaster management.

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