This shift responds to enterprise demand for tighter data control and local infrastructure systems, in contrast to Meta's recent focus on closed models such as Muse Spark 1.

August 10, 2026

After more than a year of focusing on closed models, Meta is shifting its strategy back toward open models with the release of Muse Glimmer, as enterprises look at ways to be closer to their data and maintain greater control over infrastructure.

Released on Monday under the Apache 2.0 license by Meta Superintelligence Labs, Muse Glimmer is a 30-billion-parameter model optimized for local, agentic workflows. It can run on a Mac or PC with a single GPU. The model is designed for complex, multi-step agentic workloads and tasks such as coding, web research and debugging.

Meta launched Glimmer a week after it introduced Muse Spark 1.1, a closed model for advanced reasoning and complex agentic tasks. Glimmer indicates that Meta plans to remain competitive in the open model market as interest in China’s price and performance-competitive open models grows.