Meta says it has released Muse Spark 1.1, which Mark Zuckerberg announced on X as "a strong agentic and coding model at a very low price," available through the new Meta Model API and in Meta AI. In a separate X post, Alexandr Wang described it as "industry-competitive" and said it rivals GPT-5.5 and Opus-4.8 on agentic evals. For now, the safest read is still the narrow one: what Meta executives publicly claimed, where they said it, and what linked company materials add as context.