Alexandr Wang Reacts to Claims About Meta’s Muse Models and Open Weights

Alexandr Wang responded to @kirillk_web3’s post about Meta’s Muse models with “lmao muse spark open balling out,” reacting to the account’s claims about a shift from closed models to open weights. @kirillk_web3 characterized Llama 4 as disappointing and Muse Spark as Meta going closed, and claimed Mark Zuckerberg was writing a $100–200 billion check. The account described Muse Wonder shipping on Monday, followed three days later by a Meta release with open weights, 816 billion parameters and only 42 billion active at a time. Wang’s brief response did not explicitly confirm those claims.

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