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Meta Debuts Muse Spark to Power Its Assistant and Pivot to a Closed AI Model

The rollout signals a pivot to monetizable, proprietary AI after a nine‑month rebuild.

Overview

  • Meta launched Muse Spark on Wednesday, driving a 6%–7% stock jump and pushing the Meta AI app to No. 5 on the U.S. App Store.
  • The multimodal model now powers the Meta AI app and meta.ai, with a private API preview live and rollouts set for WhatsApp, Instagram, Facebook, Messenger, and Ray‑Ban glasses.
  • Company benchmarks highlight strengths in visual reasoning, coding, and health tasks, while Meta concedes weaker results on frontier tests such as ARC AGI 2.
  • Early reactions include researcher criticism that the model is underwhelming, and AI chief Alexandr Wang says the team has been upfront about specific weaknesses.
  • Meta is shifting from open Llama releases to a closed distribution and is exploring paid API access plus in‑app shopping and health features as new revenue paths.