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Meta abandons open-source AI playbook with first proprietary model from Superintelligence Labs

New Capabilities

49% owned by Meta; Wang departed as CEO but remains on board

For three years, Meta staked its artificial intelligence strategy on giving models away. The company's Llama series became the most widely used open-weight model family in the industry, downloaded hundreds of millions of times. On April 8, 2026, Meta released Muse Spark — the first model built by its new Superintelligence Labs division — and kept it closed. The shift is not subtle: the company that once argued open-source AI would defeat proprietary rivals the way Linux defeated Unix is now competing on their terms.

Updated Yesterday