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Meta built a huge open-weight AI model for Macs, but you'll need 1TB of RAM to run it.

Engadget AIIndependent reporting·
Corroborated event · 3 outlets

Meta released Muse Spark Open, an 816-billion-parameter open-weight model for coding and agent work that can run locally on Apple silicon.

AI brief

Meta released Muse Spark Open, which it calls the most capable US open-weight model to date, and running it on a Mac requires 1TB of RAM.

Why it matters: It is a large open-weight AI model that demands unusually high memory to run locally.

Written by AI from Engadget AI's published text.

Background

From our own funding, model and news trackers, not from the source.

More coverage of this story (2)

Meta releases Muse Spark Open, an open-weight AI model

Meta’s Muse Spark Open now available in Amazon SageMaker JumpStart
AWS Machine Learning Blog · 15 Oct 2026, 17:43
Welcome Muse Spark Open: open-weight frontier multimodal mixture-of-experts model from Meta
Hugging Face Blog · 15 Oct 2026, 00:00

Primary source

“Muse Spark Open is "the most capable US open-weight model to date," the company says.”
Engadget AI, 15 Oct 2026, 05:15.

Reporting from a publisher outside the organisation being covered.

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