Unverified50% confidenceReleaseExact time
Meta released the Muse Spark Open open-source large model, which uses a MoE architecture, has a total parameter count of 816B and 42B activated parameters, supports a 1M token context, and is released in the form of open weights.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/16/2026
First Seen
Valid until: 1/14/2027
Sources
Related Entities
Related Claims
UnverifiedMeta publicly stated on August 10 that it would release the weights of the Muse Spark model as open source.76% similarUnverifiedMeta承诺其旗舰模型Muse Spark 1.2的全部权重将在几周内开源73% similarUnverifiedMeta has launched the beta version of the terminal coding agent MUSE Code, powered by the MUSE Spark 1.2 model.72% similarUnverifiedMeta released an open-weight model named Muse Glimmer67% similarUnverifiedMeta's LLaMA series, evolving from LLaMA to LLaMA 3.1 405B, opened the door to open-source large models.66% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/1042340API
curl https://kongchang.com/api/v1/knowledge/claims/1042340MCP
get_claim(id=1042340)