Venturebeat iconVenturebeatAug 10, 2026 ~1 min source read

Meta returns to open source with Muse Glimmer, an Apache 2.0 licensed 30B parameter AI model optimized for agents — available now

Glimmer arrives under the permissive, industry-standard Apache 2.0 open source license — the company's first fully open release since it succeeded its open-weight Llama family in April with the proprietary Muse Spark. In fact, Muse Glimmer launches today with a more permissive license than Llama ever carried.

Meta returns to open source with Muse Glimmer, an Apache 2.0 licensed 30B parameter AI model optimized for agents — available now

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Glimmer arrives under the permissive, industry-standard Apache 2.0 open source license — the company's first fully open release since it succeeded its open-weight Llama family in April with the proprietary...

"Today we're also opening the weights for Muse Glimmer, a great 30B parameter dense model that can run locally," Meta co-founder and CEO Mark Zuckerberg wrote in a post on X (under his longtime handle <a...

In fact, Muse Glimmer launches today with a more permissive license than Llama ever carried.

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Glimmer arrives under the permissive, industry-standard Apache 2.0 open source license — the company's first fully open release since it succeeded its open-weight Llama family in April with the proprietary Muse Spark. In fact, Muse Glimmer launches today with a more permissive license than Llama ever carried. The company says it is working with AMD, Arm, Dell, Intel and Nvidia to optimize performance across devices, and has published developer documentation covering custom agent scaffolds.

How it works

  • Meta today released Muse Glimmer, a 30-billion-parameter open-weight model designed to run autonomous AI agents directly on consumer hardware — pushing agentic workloads that normally depend on cloud...
  • Just as notable as what the model does is how it's licensed.
  • "Today we're also opening the weights for Muse Glimmer, a great 30B parameter dense model that can run locally," Meta co-founder and CEO Mark Zuckerberg wrote in a post on X (under his longtime handle <a...

Details worth keeping

The weights are available on Hugging Face now.

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