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Morning Edition · Sunday, June 21, 2026
Meta's Muse Spark Marks a Break From Llama, and From Open Weights
Superintelligence Labs' first model is natively multimodal with a parallel sub-agent reasoning mode, and it is closed source.
Meta Superintelligence Labs (MSL) has described Muse Spark, the division's first model and the system now running the Meta AI assistant. It was rebuilt entirely over roughly nine months on a new technical stack, a departure from Meta's Llam…
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