Meta Superintelligence Labs unveils Muse Spark, its first frontier model on a new stack

Meta Superintelligence Labs has released Muse Spark, their first frontier model built on an entirely new infrastructure stack. This release marks a significant step for the lab, with larger models already in development and infrastructure scaling to support them. A private API preview is currently available to select partners. AI

Summary written by gemini-2.5-flash-lite from 1 source. How we write summaries →

RANK_REASON Frontier-lab model release with new infrastructure stack.

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• Meta Superintelligence Labs
• Muse Spark
• Alexandr

• model release
• infra