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Meta's Superintelligence Labs has shipped a numbered Muse Spark line through 2026: Muse Spark (April 8), Muse Spark 1.1 (July 9), Muse Spark 1.2, then Muse Spark 1.3 (September 2, available in Muse Code and the Meta Model API).
Free JSON for this market, no API key needed:
https://api.coinrithm.com/api/prediction-markets/events/manifold/will-meta-release-muse-spark-14-orAI agents: call pm_data_event on the CoinRithm MCP server:
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