# It's the first from the company's new Muse series developed by Scale AI's Alexandr Wang.

*genai · news · 2026-04-08 · CNBC*

## Key points

- Meta's Muse Spark is its first major AI model since hiring Scale AI's Alexandr Wang.
- Muse Spark is proprietary, marking a shift from Meta's previous open-source Llama models.
- Muse Spark matches Llama 4 midsize capabilities using significantly less compute due to new training techniques.
- Meta will offer Muse Spark API access to third-party developers, starting with select partners in a private preview.
- Muse Spark will soon power Meta's digital assistant across Facebook, Instagram, WhatsApp, Messenger, and Ray-Ban AI glasses.

**Companies:** Meta, Scale AI
**Countries:** United States

[Read the full story on CNBC](https://www.cnbc.com/2026/04/08/meta-debuts-first-major-ai-model-since-14-billion-deal-to-bring-in-alexandr-wang.html)

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