Sam Altman Blames Anthropic's Rhetoric for Fueling Hostility After Attack on His Home

Sam Altman has weaponized his recent brush with violence to escalate his feud with Anthropic, claiming the rival AI lab's messaging about OpenAI contributed to a dangerous climate that led to an attack on his San Francisco home. During an April podcast interview, Altman singled out Anthropic while discussing the April 10 assault, in which alleged assailant Daniel Moreno-Gama threw a Molotov cocktail at Altman's $27 million residence before being arrested outside OpenAI's headquarters with charges including attempted murder. Though authorities have not linked Moreno-Gama's attack directly to competitive AI industry tensions, Altman connected the dots himself, stating "the way Anthropic talks about OpenAI doesn't help" in an environment poisoned by what he calls "doomerism talk."

The rivalry between the two companies has escalated dramatically over recent months, transforming from corporate jabs into something resembling genuine animosity. Anthropic CEO Dario Amodei has repeatedly taken public shots at OpenAI: mocking companies declaring "code reds" in December, launching a Super Bowl ad campaign that coincided with OpenAI's foray into ads, and later characterizing Altman's messaging as "safety theatre" in a memo to employees. Altman has fired back with his own barbs, dismissing Anthropic as serving "an expensive product to rich people" and most recently accusing the company of "fear-based marketing" for refusing to publicly release its Claude Mythos model while citing security risks.

Altman's invocation of the attack in the podcast interview represents a strategic pivot—weaponizing his victimhood to delegitimize Anthropic's public positioning on AI safety. He dismissed Anthropic's decision to withhold Claude Mythos as a cynical ploy: "It is clearly incredible marketing to say, 'We have built a bomb. We were about to drop it on your head. We will sell you a bomb shelter for $100 million.'" The tension between the companies has already rattled OpenAI internally; Caitlin Kalinowski, who led hardware and robotics, resigned in protest over OpenAI's handling of Pentagon partnerships and its messaging disputes with Anthropic. Meanwhile, OpenAI briefly lost its position as the No. 1 free app on Apple's App Store amid the fallout.