Last month, Meta relaunched its AI efforts with Muse Spark, replacing its Llama models. As of today, Muse Spark is powering new experiences inside the Meta AI app. Meta first unveiled the work of its rebuilt AI team with the launch of Muse Spark on April 8. Since then, the Meta AI app has stayed near the top of the iPhone App Store, competing with ChatGPT, Claude, and Gemini apps. As of today, Meta has detailed several new features being added to the Meta AI app. First, Meta points to voice conversation capabilities powered by Muse Spark. “In the Meta AI app, Muse Spark lets you talk naturally with the assistant — interrupt, switch topics, or swap languages,” Meta says.…