Palantir Co-Founder Lonsdale Blasts AI Giants for Using Existential Fear to Capture Regulation

Joe Lonsdale, Palantir co-founder and venture capitalist at 8VC, used the Reuters Momentum AI Austin conference on September 25, 2026 to deliver a sharp broadside against Anthropic and OpenAI, accusing both companies of weaponizing existential AI fear to shape government policy in ways that would cement their own market dominance. Lonsdale argued that funding outside advocacy groups pushing for stricter AI regulation is effectively a play to create an oligopoly — a small club of powerful companies writing the rules everyone else has to live under.

The criticism arrived in a charged moment: Anthropic CEO Dario Amodei, OpenAI CEO Sam Altman, and Elon Musk had all, within the same month, publicly called for the industry to slow development of its most advanced models, warning of existential risks if safety measures can't keep pace with capability gains. Lonsdale acknowledged AI safety is a genuine concern but drew a sharp line between legitimate caution and fear-driven regulation that could be manipulated for competitive advantage.

Despite his criticism, Lonsdale notably pulled his punches on Anthropic specifically, praising Amodei and calling the company the highest-performing AI firm in the world over recent years. As a small investor in Anthropic, he said he was proud of that association — a tension that makes his broader critique more nuanced than a straightforward attack.

On defense, Lonsdale signaled that the U.S. defense-tech companies he backs — including Anduril — are likely to acquire Ukrainian drone and defense firms, citing the rapid battlefield innovation Ukrainian companies have achieved over more than four years of war with Russia. He framed autonomous weapons as the inevitable future of warfare while insisting human military commanders must remain accountable for AI-assisted strikes. That accountability question has intensified following a U.S. military strike in Minab, Iran earlier this year that killed more than 175 children and teachers at a girls' school, with a preliminary U.S. investigation pointing to outdated targeting intelligence.

Lonsdale also addressed persistent speculation that he could take a senior Pentagon role, saying he would consider a presidential request but that his current focus is on family and business — even as the Defense Department has faced high-profile leadership turnover, including scrutiny over a potential replacement for Deputy Defense Secretary Steve Feinberg.