Meta Releases Open-Source Agentic Model Muse Glimmer

TheZachMueller · x · 2026-08-10

Meta has officially released Muse Glimmer, a 30-billion-parameter open-source model under the Apache 2.0 license.

Mark Zuckerberg published an essay reaffirming Meta's strong commitment to open-source AI, calling for unrestricted model distillation and a wide array of policy changes. Additionally, Meta announced that another open-weight version, Muse Spark 1.2, will be released in the coming weeks.

Related event: Meta Open-Sources 30B Muse Glimmer for On-Device Agents(108 posts)→

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