Meta Launches Paid Reasoning Model Muse Spark 1.1 and Model API

On July 9, 2026, Meta unveiled Muse Spark 1.1, the latest multimodal reasoning model built by Meta Superintelligence Labs (MSL), alongside a public preview of the developer-facing Meta Model API. It is Meta's first paid frontier model API, marking a shift toward monetization that departs from the open-weight Llama approach.