There's also the AI division of Elon Musk’s newly merged SpaceX and its chatbot, Grok, which is not yet a viable contender for business customers. Musk has long set his sights on OpenAI, which he co-founded and is now suing in a court case set for trial in April.

"We've made less flashy headlines than some, and we've been focused on growing revenue and winning business," Anthropic's chief commercial officer told CNBC.

Early social listening data suggests Super Bowl viewers were more buzzed about Anthropic's ad than OpenAI's.

Anthropic’s CEO says intense commercial pressure is testing the company’s safety-first AI mission.

Anthropic Super Bowl ad impact on Claude users: Anthropic's Super Bowl ad, which targeted rival OpenAI, significantly boosted Claude's user engagement. Daily active users surged 11%, propelling the AI platform into the top 10 free apps on the Apple App Store.

The departure of Ilya Sutskever from OpenAI, combined with the exit of alignment researcher Jan Leike, has exposed a widening fault line between the commercial ambitions of leading AI companies and the scientists who believe safety work is being sidelined.

The move represents OpenAI's most aggressive bet yet on the idea that the future of AI isn't about what models can say, but what they can do

A push in California to clamp down on AI giants has taken a bizarre twist – after ballot measures that appear to be aimed at Sam Altman’s OpenAI were filed by the stepbrother of an executive at archrival Anthropic,