<p>Anthropic, one of Silicon Valley’s leading AI firms, have built a new model which they say is too dangerous to be released to the public.</p><p>Instead, they are only giving access to Claude Mythos Preview to a handful of big companies to help them find and fix security vulnerabilities. The company says the model has already found weak spots in “every major operating system and web browser”. Is this a genuine example of an AI company acting responsibly, or more of a carefully calibrated publicity move? </p><p>We speak to the BBC’s North America tech correspondent, Lily Jamali, about whether this is a watershed moment for AI. </p><p>Producers: Viv Jones and Aron Keller</p><p>Digital producer: Matt Pintus</p><p>Mix: Travis Evans</p><p>Executive producer: James Shield</p><p>Senior news editor: China Collins</p><p>Credit: Jurassic Park (1993) / Dir: Stephen Spielberg / Universal Pictures </p><p>Photo: Anthropic CEO Dario Amodei. Reuters/Denis Balibouse.</p>