Meta and Apple Launch Open-Weight AI Model for Desktops
Meta and Apple release Muse Spark Open, an open-weight AI model running on Mac Studios with M5 Ultra chips.
In brief
Meta and Apple release Muse Spark Open, an open-weight AI model running on Mac Studios with M5 Ultra chips. Meta and Apple launched Muse Spark Open, an open-weight AI model that runs on two Mac Studios with M5 Ultra chips for coding and complex tasks. Originally reported by Pymnts.
Meta Introduces Muse Spark Open
Meta released Muse Spark Open, an open-weight AI model with 816 billion parameters and a one million-token context window.
Model Runs on Mac Studios
Muse Spark Open excels at coding, complex software engineering and multi-step reasoning tasks on Mac Studios with M5 Ultra chips.
Apple and Meta Collaborate

Apple CEO John Ternus praised Meta’s model for running efficiently on Mac Studios, calling it a breakthrough for on-device AI.
“Congrats to the team! Amazing to run a model of Muse Spark Open’s caliber and scale this efficiently, right from your desk. Mac Studio keeps pushing the boundaries of on-device AI!”
Cost and Impact
Two Mac Studios cost $40,000 to run Muse Spark Open, offering developers cheaper on-device AI than cloud rentals.
At a glance
Meta and Apple launched Muse Spark Open, an open-weight AI model that runs on two Mac Studios with M5 Ultra chips for coding and complex tasks.




