Zuck rekindles open weights Llama drama with Muse Glimmer
What's happening
Meta released Muse Glimmer, a 30B-parameter, open-weights model designed for local, always-on agent workflows. The model is multimodal with interleaved text and images via a dedicated perception encoder, trained on 100+ languages, and offers a controllable reasoning effort (a quality/speed tradeoff). Meta is also opening Muse Spark 1.2 and signaled an open version of Muse Spark will follow, marking its first 30B LLM in over a year and a renewed push into open weights.
Why it's trending
Because Meta just dropped permissively licensed weights for a high-capacity local model (Muse Glimmer 30B) and teased more open releases, reigniting interest in open-weight LLMs.
SignalNewly emerging, confirmed across 3 independent source types.
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If you think 'closed models beat open models,' Meta just handed you Muse Glimmer 30B under Apache 2.0 to argue with in production.
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Original sources6
- Zuck rekindles open weights Llama drama with Muse Glimmer
30-billion parameter LLM, Meta's first in more than a year, signals Meta's return to the open weights arena. Open version of Muse Spark to follow
The RegisterAug 10 - Muse Spark 1.2 Open Source before Llama 4 Behemoth!!?
I can’t believe it!! When Muse Spark just came out, I was already thinking they might consider open sourcing this. And now they’re actually gonna open source it!! And ever since Alexandr Wang took over, they’d be releasing anything but Llama 4 Behemoth! What’s next? Llama 5 release before Llama 4 Behemoth?
r/LocalLLaMAAug 10 - Meta Muse Glimmer – open weights 30B local coding modelHackerNewsAug 10
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