Noesion Radarnoesion.ai
Release2026-08-10

Meta released Muse Glimmer, a freely downloadable version of its most capable AI model, which generates code, text and images. The model publishes its weights, the numbers that determine how it behaves, but not its full underlying code, so it is not fully open source. The paid, closed Muse Spark model it is based on remains closed.

What changed

Meta's most capable model, Muse Spark, was available only as a paid, closed service since July 2026.

What it unlocks

Downloading and modifying a near-equivalent of Meta's most capable model, including running it on self-managed infrastructure.

  • 14-page essay from Zuckerberg

What you need to act on it

  • ability to host and run a large model, or a provider that does

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