Meta Debuts Muse Spark: First AI Model From Meta Superintelligence Labs Under Alexandr Wang

Meta released Muse Spark, its first major large language model under Chief AI Officer Alexandr Wang, who leads the newly formed Meta Superintelligence Labs. The model is purpose-built to power Meta AI across WhatsApp, Instagram, Facebook, and Messenger—serving over 3 billion monthly active users across Meta's social platforms. Muse Spark focuses on conversational fluency, real-time response speed for messaging contexts, and multimodal understanding of images and videos shared in social conversations. The release signals Meta's shift from broad AI research to a focused, product-integrated AI strategy. Business implications: Meta AI powered by Muse Spark becomes the default AI assistant for billions of users who may never use ChatGPT or Claude. For advertisers, this creates a new conversational surface for product discovery. Meta has committed $115-135 billion in AI capital expenditures for 2026—nearly double its 2025 AI spend.