Mark Zuckerberg says Meta's Watermelon model and Muse Spark open weights are "coming soon" (Mark Zuckerberg/@finkd)

Mark Zuckerberg / @finkd : Mark Zuckerberg says Meta's Watermelon model and Muse Spark open weights are “coming soon” — Muse Spark 1.3 is rolling out today with frontier performance almost too cheap to meter. This is the biggest jump we've made so far on coding and agentic work. Try it in Muse Code and our API. Next up 🍉 and Muse Spark open weights releases coming soon.