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Applied AI·October 15, 2026·1 min read

Meta opens a weaker AI model while keeping the frontier closed

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The split between open Muse Spark Open and closed Muse Wonder is the new normal—open weights for the mid-tier, tight control at the frontier, aligned with EU AI Act language. If your roadmap assumes full open access to best-in-class models, recalibrate toward hybrid stacks and contractual access, not pure open-source.