{"type": "article", "title": "Introducing Muse Spark 1.3", "publisher": "Web Pulse", "url": "https://wpnews.pro/news/introducing-muse-spark-1-3", "original_source": "https://research.meta.ai/blog/introducing-muse-spark-1-3", "published": "2026-09-02T19:25:47+00:00", "accessed": "2026-09-02", "id": "introducing-muse-spark-1-3"}