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Week of Oct 12–16, 2026: open-weight releases from Meta/Nvidia, GPT-4 API shutdown date, enterprise cost caps, and regulatory probes

Roundup of what I found this week. Caveat: much of this is via news aggregators citing Reuters/Bloomberg/The Information, so some items are second-hand. Open weights Meta's Muse Spark Open: MoE, 816B total / 42B active, 1M context; reportedly runs on 2–4 M5 Ultra Mac Studios via MLX. Nvidia Nemotro…

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  1. 2026-10-21 11:18 · r/artificial
    Week of Oct 12–16, 2026: open-weight releases from Meta/Nvidia, GPT-4 API shutdown date, enterprise cost caps, and regulatory probes

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