{"family":"muse","name":"Muse","developer":"meta","page":"https://asof.is/models/muse","as_of":"2026-11-04","summary":"As of November 4, 2026, the latest Muse model on the AsOf record is Muse Spark Open, released on October 15, 2026 by Meta Platforms, from a primary source (research.meta.ai). The newest in each other line: Muse Wonder (October 12, 2026) and Muse Glimmer (August 10, 2026). The record holds 7 Muse models, 7 with a checked release date.","latest":{"slug":"muse-spark-open","name":"Muse Spark Open","line":"muse-spark","aliases":[],"record":"https://asof.is/record/muse-spark-open","released":"2026-10-15","release":{"id":"clm_D58FC12544C0","value":"Muse Spark Open","valid_from":"2026-10-15","status":"valid","sources":[{"url":"https://research.meta.ai/blog/muse-spark-open","tier":"primary","publisher":"Meta (Meta AI Research blog)"}]},"predecessors":[],"successors":[],"deprecated":null,"retired":null},"lines":[{"line":"muse-spark","latest":"muse-spark-open","models":[{"slug":"muse-spark","name":"Muse Spark","line":"muse-spark","aliases":[],"record":"https://asof.is/record/muse-spark","released":"2026-04-08","release":{"id":"clm_FABEC0B5AFE9","value":"Muse Spark","valid_from":"2026-04-08","status":"valid","sources":[{"url":"https://ai.meta.com/blog/introducing-muse-spark-msl/","tier":"primary","publisher":"Meta (AI at Meta blog)"}]},"predecessors":[{"slug":null,"name":"Llama 4 Maverick","claim":"clm_07EBDD71300E"}],"successors":[{"slug":"muse-spark-1-1","name":"Muse Spark 1.1","claim":"clm_FB5F4D84555F"}],"deprecated":null,"retired":null},{"slug":"muse-spark-1-1","name":"Muse Spark 1.1","line":"muse-spark","aliases":["muse-spark-1.1"],"record":"https://asof.is/record/muse-spark-1-1","released":"2026-07-09","release":{"id":"clm_55C8577B7D05","value":"Muse Spark 1.1","valid_from":"2026-07-09","status":"valid","sources":[{"url":"https://ai.meta.com/blog/introducing-muse-spark-meta-model-api/","tier":"primary","publisher":"Meta (AI at Meta blog)"}]},"predecessors":[{"slug":"muse-spark","name":"Muse Spark","claim":"clm_FB5F4D84555F"}],"successors":[],"deprecated":null,"retired":null},{"slug":"muse-spark-1-2","name":"Muse Spark 1.2","line":"muse-spark","aliases":["muse-spark-1.2","muse-spark-1.2-contributor"],"record":"https://asof.is/record/muse-spark-1-2","released":"2026-08-05","release":{"id":"clm_10E8D728D106","value":"Muse Spark 1.2","valid_from":"2026-08-05","status":"valid","sources":[{"url":"https://research.meta.ai/blog/introducing-muse-code-and-muse-spark-1-2","tier":"primary","publisher":"Meta (Meta AI Research blog)"}]},"predecessors":[],"successors":[],"deprecated":null,"retired":null},{"slug":"muse-spark-1-3","name":"Muse Spark 1.3","line":"muse-spark","aliases":["muse-spark-1.3","muse-spark-1.3-contributor"],"record":"https://asof.is/record/muse-spark-1-3","released":"2026-09-02","release":{"id":"clm_EE6F63726448","value":"Muse Spark 1.3","valid_from":"2026-09-02","status":"valid","sources":[{"url":"https://research.meta.ai/blog/introducing-muse-spark-1-3","tier":"primary","publisher":"Meta (Meta AI Research blog)"}]},"predecessors":[],"successors":[],"deprecated":null,"retired":null},{"slug":"muse-spark-open","name":"Muse Spark Open","line":"muse-spark","aliases":[],"record":"https://asof.is/record/muse-spark-open","released":"2026-10-15","release":{"id":"clm_D58FC12544C0","value":"Muse Spark Open","valid_from":"2026-10-15","status":"valid","sources":[{"url":"https://research.meta.ai/blog/muse-spark-open","tier":"primary","publisher":"Meta (Meta AI Research blog)"}]},"predecessors":[],"successors":[],"deprecated":null,"retired":null}]},{"line":"muse-wonder","latest":"muse-wonder","models":[{"slug":"muse-wonder","name":"Muse Wonder","line":"muse-wonder","aliases":["muse-wonder-1.0"],"record":"https://asof.is/record/muse-wonder","released":"2026-10-12","release":{"id":"clm_4332F2D8FAA2","value":"Muse Wonder","valid_from":"2026-10-12","status":"valid","sources":[{"url":"https://research.meta.ai/blog/muse-wonder","tier":"primary","publisher":"Meta (Meta AI Research blog)"},{"url":"https://about.fb.com/news/2026/10/introducing-muse-wonder-models/","tier":"primary","publisher":"Meta"}]},"predecessors":[],"successors":[],"deprecated":null,"retired":null}]},{"line":"muse-glimmer","latest":"muse-glimmer","models":[{"slug":"muse-glimmer","name":"Muse Glimmer","line":"muse-glimmer","aliases":[],"record":"https://asof.is/record/muse-glimmer","released":"2026-08-10","release":{"id":"clm_9F8A74034FDB","value":"Muse Glimmer","valid_from":"2026-08-10","status":"valid","sources":[{"url":"https://research.meta.ai/blog/introducing-muse-glimmer-open-agentic-model","tier":"primary","publisher":"Meta (Meta AI Research blog)"}]},"predecessors":[],"successors":[],"deprecated":null,"retired":null}]}]}