Svmuu News: Meta’s stock price rebounded briefly, narrowing its decline to 0.6%. Earlier, Meta announced the launch of Muse Spark 1.1, its first paid AI developer model—a competitive agent-based and programmable model. In multiple agent evaluations, its performance is on par with GPT-5.5 and Opus-4.8. It is now available through the new Meta Model API and the Meta AI platform. Meta CEO Mark Zuckerberg stated that the company plans to price it below its competitors.