Meta says Muse Spark powers Meta AI's "shopping mode" feature and that it plans to release a version of Muse Spark under an open-source license (Ina Fried/Axios)

Ina Fried / Axios: Meta says Muse Spark powers Meta AI's “shopping mode” feature and that it plans to release a version of Muse Spark under an open-source license — Meta on Wednesday debuted Muse Spark, a homegrown AI model it says significantly narrows the performance gap with models from OpenAI, Anthropic and others.