en.Wedoany.com Reported - On April 8 local time, Meta released the artificial intelligence model Muse Spark, developed by the Meta Superintelligence Lab, which will be used to power the Meta AI chatbot. Unlike the previous open-source strategy, Muse Spark adopts a closed-source model, with its design architecture and code not publicly disclosed. This release was announced simultaneously via the Meta official blog and official social media accounts.

According to Meta's official release statement, Muse Spark is the first model launched by the Superintelligence Lab since its establishment in 2025. The lab belongs to Meta's Fundamental AI Research department and focuses on long-term technological exploration of general artificial intelligence. Muse Spark has been integrated into the Meta AI conversational interface and is initially being rolled out to users in the United States, Canada, the United Kingdom, and Australia. Meta did not disclose specific details about the model's parameter count, training data scale, computational power consumption, or underlying technical architecture.

Previously, Meta's released Llama series models all adopted open-source or limited open-source licenses, allowing developers direct access to model weights and source code. The shift to closed-source for Muse Spark means external developers cannot freely modify, perform secondary development, or commercially deploy this model. Meta's official statement did not provide specific explanations for the reason behind this strategic shift. The release schedule and degree of openness for subsequent models from the Superintelligence Lab were not detailed in the announcement.

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