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

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Meta releases Muse Glimmer open weights and launches Muse Spark 1.2 with 1M token context for coding tasks, priced at $1.25 per million input

Meta released Muse Glimmer on 10 August 2026, a 30-billion-parameter open-weight agentic model published under an Apache 2.0 licence. Quantised to under 20GB, it runs local agents…