{"entity":"deepseek-r1","id":"ent_deepseek-r1","name":"DeepSeek-R1","predicate":"model_release","label":"release date","page":"https://asof.is/record/deepseek-r1/model_release","as_of":"2026-11-04","summary":"As of November 4, 2026, the AsOf record says DeepSeek-R1 was released on January 20, 2025, from a primary source (api-docs.deepseek.com); it also holds May 28, 2025 (as DeepSeek-R1-0528). The record holds 2 claims on DeepSeek-R1's release, 2 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.","current":["clm_6ED942B349B3","clm_B0A76C715E76"],"latest_period":null,"claims":[{"id":"clm_6ED942B349B3","value":"DeepSeek-R1","valid_from":"2025-01-20","valid_to":null,"published":null,"recorded":"2026-11-04","confidence":0.95,"status":"valid","assertable":true,"superseded_by":null,"sources":[{"url":"https://api-docs.deepseek.com/updates","tier":"primary","publisher":"DeepSeek (API docs change log)","published_at":null}],"evidence":{"by":"page-read","on":"2026-11-04","quote":"Date: 2025-01-20 deepseek-reasoner deepseek-reasoner is our new model DeepSeek-R1.","url":"https://api-docs.deepseek.com/updates"}},{"id":"clm_B0A76C715E76","value":"DeepSeek-R1-0528","valid_from":"2025-05-28","valid_to":null,"published":null,"recorded":"2026-11-04","confidence":0.95,"status":"valid","assertable":true,"superseded_by":null,"sources":[{"url":"https://api-docs.deepseek.com/updates","tier":"primary","publisher":"DeepSeek (API docs change log)","published_at":null}],"evidence":{"by":"page-read","on":"2026-11-04","quote":"Date: 2025-05-28 deepseek-reasoner deepseek-reasoner Model Upgraded to DeepSeek-R1-0528","url":"https://api-docs.deepseek.com/updates"}}],"replaced":[],"faq":[{"question":"When was DeepSeek-R1 released?","answer":"On January 20, 2025, from a primary source (api-docs.deepseek.com) (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"}}}