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mlx

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Meta AI Research 2026-10-15-1

Introducing Muse Spark Open, The Most Capable US Open‑Weight Model to Date

Meta's Muse Spark Open post (816B total, 42B active, 1M context) is far more specific about availability than capability: seven API hosts, four weight hubs and seven-plus engines on day one, none of them Meta. The local recipe is two 512GB M5 Ultra Mac Studios running through MLX. Meta is giving the weights away to buy presence across every stack, which fits the Spyglass reading that its open tier trails its closed one.

# tags
metaopen-modelsapple-siliconmlxlocal-llmon-deviceinference-economicsvendor-claimsmodel-licensingai-capital-cycleblog-post
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Open Source StrategyHardware fragmentationDistribution moatInference cost economics
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inference-economicsai-capital-cycle
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2026-03-14-32026-05-15-w32026-04-08-32026-04-14-12026-03-31-m22026-03-20-w12026-04-04-32026-03-13-12026-03-21-3
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CNBC 2026-10-15-2

Apple and Meta team up to make Muse AI model run on Mac computers

CNBC's account of the Apple tie-up supplies the hardware half. Muse Spark Open needs 2 to 4 paired Mac Studios, and an M5 Ultra with 256GB starts at $10,799. Alexandr Wang says the open model is meant to pull developers in small and then scale them up, and by his framing memory capacity, not compute, gates local use. That makes sovereign coding a fixed-capex purchase and puts Apple, not NVIDIA, on the default local path for the largest open models.

# tags
cnbcmetaappleapple-siliconopen-modelslocal-llmon-deviceedge-aimlxai-infrastructureinference-economicshardware-fragmentationopen-sourceai-strategy
◆ entities
Open Source StrategyVendor Lock-in RiskHardware fragmentationPlatformizationInference cost economics
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inference-economics
⟷ links
2026-04-08-32026-04-25-22026-04-21-22026-04-04-32026-03-14-32026-03-30-3
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