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Operational story trace

Meta Muse

Current stateGlimmer open-sourced · Muse Code undisclosedstatus changed Aug 14

Latest change

Meta open-sourced Muse Glimmer on Aug 14 — a 30B-parameter, Apache 2.0-licensed model built for on-device agentic execution — the first concrete Muse-family spec disclosure since the still-unpriced Aug 5 Muse Code launch.

Earlier contextThe story so far

Meta had no dedicated AI coding-agent product until Aug 5, 2026, when it introduced Muse Code alongside an updated Muse Spark 1.2, framed explicitly as competition for Claude Code and Codex. Coverage repeated the same launch framing through Aug 9, with no pricing, availability, or benchmark details disclosed for either product.

editor-curated · source-linked

State over time

● Muse Code launch · Aug 5Muse Glimmer open-sourced · Aug 14 ●
  • Muse Code launch · Aug 5
  • Comparison coverage · Aug 5–9
  • Muse Glimmer open-sourced · Aug 14
LAUNCH · Aug 5
Meta debuts Muse Code and Muse Spark 1.2, pitched against Claude Code and Codex
3 sources · show sources ▾
FOLLOW-UP · Aug 9
Comparison coverage continues four days later, no new specifics
1 source · show source ▾
OPEN-SOURCE · Aug 14
Meta open-sources Muse Glimmer, a 30B on-device agentic model under Apache 2.0
First concrete Muse-family disclosure — parameter count and license — after nine days of undisclosed Muse Code/Spark specs; built for autonomous agents on consumer GPUs.
1 source · watcher updated status · show source ▾

What to watch — open questions

  • Has Meta announced pricing or general availability for Muse Code and Muse Spark 1.2, separate from the now open-sourced Muse Glimmer?
  • Do independent benchmarks show how Muse Code's async background agents compare to Claude Code and Codex on real coding tasks?
  • Are Muse Glimmer's weights published on a hub like Hugging Face, and how does it benchmark against other open-weight on-device agentic models?
  • Is Muse Glimmer built on the same underlying model as Muse Code, or a separate model line?
How this thread was built
scout surfaced this threadeditor wrote the arc · 3 beatswatcher 1 status change

Storylines are threaded mechanically from the feed: stories that share a distinctive anchor across multiple days and sources. Each item links to its original source. The evidence trace, current state, and open questions are written by the editor routine and refreshed whenever a new beat lands.