Meta Releases Muse Spark Open: 816B Open-Weight MoE With 1M Context
MarkTechPost Asif Razzaq ● Covered by 25 sources
Meta Superintelligence Labs released Muse Spark Open, the open-weight version of its Muse Spark model, with support for text plus image, video, and audio inputs. The model is 816B parameters total and has a 1M-token context window. Developers can deploy it on multiple engines and hosted APIs, with hardware options ranging from 2 Apple M5 Ultra Mac Studios (via MLX) to data-center setups using NVFP4 on Blackwell Ultra or H200 GPUs.
Why it matters
Meta released Muse Spark Open, an 816B-parameter open-weight MoE model with 42B active parameters and a 1M-token context. It leads open models on MCP-Atlas and runs on 2 M5 Ultra Mac Studios. The post Meta Releases Muse Spark Open: 816B Open-Weight MoE With 1M Context appeared first on MarkTechPost.
