Meta opens Muse Spark 1.1 coding model through an API preview

The Verge reports that Meta is opening Muse Spark 1.1 to developers through a new Meta Model API in public preview for US developers. Meta says the model improves on the first Muse Spark generation with stronger coding, complex bug fixing, multimodal perception, and support for end-to-end agentic workflows. The launch expands Meta from app-distributed AI into a developer API race against OpenAI, Anthropic, and Google.

Key details: Muse Spark 1.1 is available through a public API preview for US developers, Meta says the model is stronger at coding and agentic workflows, The model also remains available through Meta AI products.

Why it matters: Meta is turning its in-house model work into a developer surface, which changes how it competes beyond social-app distribution.