Meta launches new AI model as Zuckerberg champions open-weight push

August 10, 2026 4:00 PM

Meta launches new AI model as Zuckerberg champions open-weight push

Meta CEO Mark Zuckerberg called for lower U.S. barriers for open-source AI models to better compete with Chinese rivals as the social media giant released a new open-weight model on Monday and said it plans to launch more such models soon. The new model, Muse Glimmer, is much smaller than leading AI models from rivals and is instead designed for agentic tasks and can run on a Mac or PC with a single graphics card, aiming to tap demand for AI systems that run directly on people's devices. Open-...

Instagram chief defends youth mental health decisions at trial

February 12, 2026 10:29 AM

Instagram chief defends youth mental health decisions at trial

The top executive at Meta Platforms' Instagram defended the social media platform's choices around features that some company insiders called harmful to young users, at a trial on claims the app helped fuel a youth mental-health crisis. Adam Mosseri, the head of Instagram, testified in Los Angeles as part of a trial on what plaintiffs call "social media addiction" in children and young adults. Meta CEO Mark Zuckerberg is also expected to testify in the coming weeks. A California woman who bega...