Meta Joins AI Coding Race, Opens Paid Muse Spark 1.1 API

On July 9, 2026, Meta unveiled Muse Spark 1.1, a multimodal reasoning model aimed at agentic coding, and opened its new developer-facing Meta Model API as a public preview. It is the company's first serious paid API offering, marking a shift from consumer-only model access—such as Meta AI powering chats in Instagram and WhatsApp—toward tools built for developers (Meta, The Verge).