Meta accused of breaking open-source pledge as Muse Ember ships closed

Gohab2001 · reddit · 2026-11-10

Reddit users point out Zuckerberg promised to open-source Muse Spark 1.2, but Meta keeps shipping increasingly closed models. Muse Ember (max) now appears on Artificial Analysis flagged 'no publicly available API', scoring 36 — far below Gemini 4 Carbon (60) and Claude Opus 5.5 (59).

Read as another signal of Meta's pivot away from open source and renewed skepticism about its open-source pledges.

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