{"entity":"muse-spark-open","id":"ent_muse-spark-open","name":"Muse Spark Open","predicate":"context_window","label":"context window","page":"https://asof.is/record/muse-spark-open/context_window","as_of":"2026-11-04","summary":"As of November 4, 2026, Muse Spark Open's context window on the AsOf record is 1 M-token, dated October 15, 2026, from a primary source (research.meta.ai). The record holds 1 claim on Muse Spark Open's context window, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.","current":["clm_086E8B7FB0F7"],"latest_period":null,"claims":[{"id":"clm_086E8B7FB0F7","value":"1M-token","valid_from":"2026-10-15","valid_to":null,"published":"2026-10-15","recorded":"2026-11-04","confidence":0.95,"status":"valid","assertable":true,"superseded_by":null,"sources":[{"url":"https://research.meta.ai/blog/muse-spark-open","tier":"primary","publisher":"Meta (Meta AI Research blog)","published_at":"2026-10-15T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-11-04","quote":"Muse Spark Open is a natively multimodal model with 816B total parameters (42B active) and a 1M-token context window.","url":"https://research.meta.ai/blog/muse-spark-open"}}],"replaced":[],"faq":[{"question":"What is Muse Spark Open's current context window?","answer":"1 M-token, dated October 15, 2026, from a primary source (research.meta.ai). The record asserts this claim as of November 4, 2026 (status valid, confidence 0.95)."}],"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","why_not":{},"checked_by":{"page-read":"its source page states the value and the date"}}}