Meta on Monday released Muse Glimmer, an open-weight model designed to power AI agents locally on consumer hardware, providing the clearest picture yet of what CEO Mark Zuckerberg’s vision of “personal superintelligence” could look like in practice. The 30-billion parameter model is essentially an open version of Meta’s most powerful closed model, Muse Spark, which the company debuted in April. Meta imagines Glimmer being used for things like managing schedules, drafting messages, and organizing files — tasks that would require large amounts of access to personal data. Glimmer is also designed to be “always-on” and able to operate “anywhere, anytime, with or without an internet connection.” Muse Spark, its more powerful mode, remains closed-weight, while the smaller Glimmer can be downloaded, fine-tuned, and run on a user’s hardware.