Meta Will Open the Weights for Muse Spark 1.2, Reversing Its Proprietary Strategy

Meta has reversed its proprietary AI strategy by announcing it will open the weights for its Muse Spark 1.2 model and released Muse Glimmer, a new open-weight 30-billion-parameter model under an Apache 2.0 license. This move responds to competitive pressures from Chinese labs, enterprise demand for local model deployment, and Meta's non-API business model.

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