Tech Apr 9, 2026 10 min Meta Drops Llama for Muse Spark Under New Meta Superintelligence Labs Meta unveils Muse Spark, the first model from its new Meta Superintelligence Labs. The Scale AI acquisition, the shift from open-weight to proprietary, multi-agent reasoning via Contemplating mode, and the evaluation awareness problem. Meta Muse Spark AI LLM Alexandr Wang