Alexandr Wang releases Meta's Muse Spark 1.3 Max after safety testing

Meta's Max reasoning setting, which powered its strongest Muse Spark 1.3 benchmark results, is now available in Muse Code and the Meta Model API.

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Primary source: Alexandr Wang on X

Why it matters

Wang has turned Meta's best Muse Spark 1.3 configuration from a benchmark preview into a product, testing whether rapid model iteration can drive adoption of Meta's agent stack.

Meta releases Muse Spark 1.3 max after a two-day safety hold

Meta chief AI officer Alexandr Wang (@alexandr_wang) released Muse Spark 1.3's Max reasoning setting on September 4th, two days after Meta introduced Muse Spark 1.3 with its most compute-intensive configuration still behind a safety gate.…

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