Meta's new model rated at GPT-5.6-Sol level

Muse Spark 1.3, developed by Meta Superintelligence, is reported to rival GPT-5.6-Sol in performance. Training costs are said to have been cut by more than 90%. The example signals Meta's revival as a major AI research hub.

Why it mattersAs a counter-move to OpenAI and Anthropic, it provides material to observe the model competition landscape.