Meta launches Muse Spark, its first closed-source frontier model, narrowing the gap with OpenAI and Anthropic in AI capabilities competition.

Muse Spark marks Meta's first frontier-level AI model without open weights, departing from Meta's traditional open-source approach

Independent testing indicates Muse Spark is closing the performance gap with leading models from OpenAI, Anthropic, and Google

The model was developed by Meta Superintelligence Labs as the company intensifies competition in the advanced AI market