Startups·16 October 2026·1 min readTechnical readSource-backed

Meta launches an open-weight AI model that runs on Macs

Meta has released a new open-weight artificial intelligence model called Muse Spark Open. According to the company, it is the most capable open-weight model in the United States and is designed specifically to work with Apple computers.

By WireUnwired Editorial Team

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WIREUNWIRED BRIEF

Meta states that evaluation results released on Thursday show the model offers superior performance compared to other popular open-weight options. It is natively multimodal, meaning it can process multiple types of data, and is built for complex coding tasks and agentic labor, which refers to automated systems that perform multi-step tasks.

Running the model locally requires significant hardware. Engadget reports that users need at least one terabyte of RAM, and Meta notes the model runs best on a Mac Studio equipped with the M5 Ultra chip. Meta paired Muse Spark Open with its Muse Code terminal to fix bugs and build features for a Mastodon client, as well as to review and crop video footage in DaVinci Resolve.

Open-weight models provide cost efficiency, transparency, and flexibility that closed, proprietary models lack.

Meta is making Muse Spark Open available immediately through various API platforms.

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SOURCE & ATTRIBUTION

TechCrunch

Original author: Lucas Ropek

Original publication: 16 October 2026 01:34

Read full story on TechCrunch ↗

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STORY TITLE:
Meta launches an open-weight AI model that runs on Macs
SOURCE:
TechCrunch
ORIGINAL URL:
https://techcrunch.com/2026/10/15/meta-launches-an-open-weight-model-that-runs-on-macs/

SOURCE EXCERPT:
Meta and Apple have teamed up for the launch of the social media giant's newest model, Muse Spark Open, which will run locally on Apple silicon.

Last updated 16 October 2026 03:02

Original sourceTechCrunch ↗