BUSINESS

Meta Unveils Muse Spark Open for Mac Users

PUBLISHED Oct 15, 2026, 7:03 PM ET

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Meta has introduced Muse Spark Open, an open‑weight AI model designed to run locally on Apple silicon. The model boasts eight‑one‑six billion parameters and a one‑million‑token context window, positioning it as the most capable open‑weight model in the United States. It is natively multimodal, tailored for complex coding tasks and agentic labor, and requires at least one terabyte of RAM, best supported by the Mac Studio with the M5 Ultra chip. The launch follows Meta’s earlier open‑weight initiatives, such as the Llama family in February two‑thousand‑twenty‑three and the Muse Glimmer release in August two‑thousand‑twenty‑six. By pairing Muse Spark Open with Muse Code, Meta aims to streamline coding fixes for platforms like Mastodon and enhance video editing workflows in DaVinci Resolve. The model’s availability through multiple API platforms signals Meta’s commitment to cost‑efficient, transparent

By Nathan B. | JQJO News

Timeline of Events

2023-02 — Meta launches open‑weight Llama family, pioneering open AI models
2026-08 — Meta releases Muse Glimmer, targeting laptop‑based open‑weight AI
2026-08 — Meta announces Muse Spark 1.2 weights for U.S. AI leadership
On October 15 2026 Meta unveils Muse Spark Open, designed for Apple silicon Macs.

News Intelligence

Immediate US impact: Boosts local AI development, reduces cloud dependency
Possible long-term US impact: Encourages open‑source AI innovation, lowers costs
Most affected groups: Software developers, content creators, AI researchers
Reader priority: Understand AI model capabilities and hardware requirements

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Center: Coverage from TechCrunch frames this as a developing news story: Meta Unveils Muse Spark Open for Mac Users. Reporting emphasizes verified facts, named sources, and near-term impact for readers. Left: Left-leaning desks covering the same development typically emphasize public impact, institutional accountability, and who is most affected. Right: Right-leaning desks covering the same development typically emphasize practical outcomes, market or security stakes, and institutional response.