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Meta releases Muse Spark, the first model from its Superintelligence Labs

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Meta released Muse Spark, the first model from Meta Superintelligence Labs, to power Meta AI in its app and website, with rollout to WhatsApp, Instagram, Facebook, Messenger and AI glasses to follow and a private API preview for select partners. Meta said larger models are in development. Muse Spark was released as a proprietary model.

Why it matters

Meta’s first post-Llama model shipped closed, a change from the open-weights approach of the Llama line.

When
8 Apr 2026
ID
WTA-N-2026-0161
Who
Meta

Summary by wheresthe.ai, from Meta and the reporting credited above. Checked against the source on 9 Oct 2026.

Source copy: download the page as saved on 18 Oct 2026 (PDF). Also held by the Internet Archive.

Next stop on this Storyline: Led toMeta releases Muse Spark 1.1 and opens a public Meta Model API preview

Cite this story

WTA-N-2026-0161: “Meta releases Muse Spark, the first model from its Superintelligence Labs.” wheresthe.ai, 8 Apr 2026. https://wheresthe.ai/d/meta-muse-spark-release-2026-04/ (source: Meta: Introducing Muse Spark).

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