Technology & Science

Meta Debuts ‘Muse Spark’ After 9-Month AI Overhaul

On 9 April 2026 Meta released Muse Spark, its first proprietary multimodal AI model built by the new Superintelligence Labs, signaling a pivot away from open-source Llama and immediately integrating the model across all Meta apps.

By Priya Castellano

Focusing Facts

  1. Meta shares rose 6% at the 9 April close (peaking +9% intraday) to about $612 after the Muse Spark announcement.
  2. The model follows Meta’s $14.3 billion June 2025 investment in Scale AI and the hiring of its CEO Alexandr Wang as Chief AI Officer to rebuild the company’s AI stack.
  3. At launch Muse Spark is U.S-only and available to outside developers solely through a restricted private-preview API.

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Perspectives in this article

  • Wall Street and investor-centric business media
  • Tech-trade and developer outlets amplifying product specs
  • European and regional general-news outlets wary of Big Tech pivots
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