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Introducing Muse Spark: MSL’s First Model, Purpose-Built to Prioritize People

Muse Spark powers a smarter and faster Meta AI assistant, and will be rolling out to WhatsApp, Instagram, Facebook, Messenger, and AI glasses in the coming weeks.

Meta debuts new AI model, attempting to catch Google, OpenAI after spending billions

Meta debuted its first major large language model, Muse Spark, spearheaded by chief AI officer Alexandr Wang, who leads Meta Superintelligence Labs.

Meta Unveils New A.I. Model, Its First From the Superintelligence Lab

Meta on Wednesday unveiled a new flagship artificial intelligence model called Muse Spark, its first under the revamped A.I. division that Mark Zuckerberg spent billions to build last year as the company pushes to catch up to rivals.

OpenAI’s new frontier models mark a huge change in how AI will be built

The GPT-5.3 and 5.4 models represent a different approach, hinting at a major change in how major AI firms build their tech.