Meta Muse Spark: The AI Model That Makes Small Models Obsolete (2026)

Meta Superintelligence Labs released Muse Spark on April 8, 2026 — the first proprietary model under Alexandr Wang. It uses a technique called thought compression to achieve frontier-level reasoning at a fraction of the compute cost. On Humanity's Last Exam, it scores 50.2, beating Gemini 3.1 Deep Think and GPT-5.4 Pro. Here is what it does, how it works, and what developers should do about it.

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Originally published at https://wowhow.cloud/blogs/meta-muse-spark-ai-model-small-models-obsolete-2026

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