Meta on Monday released Muse Glimmer, an open-weight model designed to power AI agents locally on consumer hardware, giving the clearest look yet at what CEO Mark Zuckerberg’s vision of a “personal superintelligence” might actually look like.
This 30 billion parameter model is essentially an open version of Muse Spark, the most powerful closed model that Meta debuted in April. Glimmer weights are available under the permissive Apache 2.0 license, allowing developers to download the weights and modify them as needed.
Glimmer is designed to run AI agents locally on a Mac or PC with a single consumer GPU that can perform multi-step tasks such as invoking tools, writing and debugging code, manipulating files and screenshots, and performing tasks in extended workflows. The company says it supports text and images and is trained in over 100 languages.
Meta envisions Glimmer being used for tasks that require access to large amounts of personal data, such as scheduling, drafting messages, and organizing files. Meta is laying the foundation for a more privacy-friendly personal agent by processing information on the user’s device rather than sending it to the cloud. Glimmer is also “always on” and designed to work “anytime, anywhere, with or without an internet connection.”
That vision mirrors the future Mark Zuckerberg previously envisioned for Meta. While he argued last year that advanced AI should empower individuals rather than concentrating it in the hands of a few companies, he warned that Meta needs to be cautious about which of its increasingly powerful models it releases due to safety concerns.
In a new letter Monday, Zuckerberg reiterated that vision, arguing that widespread distribution of superintelligence “has the potential to begin a new era of individual empowerment, where individuals can harness this powerful new ability to realize their full potential, pursue profit, and improve their lives and the world better than ever before.”
Zuckerberg went on to list the ways in which meta superintelligence could improve people’s lives, from providing competent personal agents who “work 24/7 on your behalf to improve your relationships, health, career, finances, home management, hobbies, and more” to providing access to the tools needed to create new business and advance scientific advances. The biggest promise of all is that everyone will have free or affordable access to these tools.
However, access is not the same as ownership. Mr. Zuckerberg’s promise to widely distribute superintelligence comes as Meta increasingly differentiates between models it publishes publicly and those it keeps under its own control. The more powerful mode, Muse Spark, remains closed-weight, but the smaller Glimmer can be downloaded, tweaked, and run on the user’s hardware.
As a result, Glimmer provides an early indicator of where Meta draws the line between the AI it wants people to own and the more powerful intelligence that remains under the company’s control.
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