{"artifact":{"id":"art-2025q1-r1","dedupe_key":"bcbf023d6411bed2b42e54adb6882f9f668cd904b00880ac4b5f40e93b6838a5","canonical_url":"https://deepseek.com/en/news/deepseek-r1/","evidence_locator":"","artifact_type":"official_announcement","title":"DeepSeek-R1 releases reasoning weights","summary":"DeepSeek released R1 code and weights under MIT licensing and associated distilled models.","creator_entities":["DeepSeek"],"released_at":"2025-01-20T00:00:00.000Z","content_hash":null,"metadata":{"historical_scope":"2025-Q1"},"created_at":"2026-10-10T08:11:02.795Z","updated_at":"2026-10-10T08:11:02.795Z"},"sources":[{"id":"src-2025q1-r1","dedupe_key":"4ea769f7487b355cac1265788550e4a4e5bcbd321157efc4777fea68d94394d6","name":"DeepSeek-R1 releases reasoning weights","publisher":"DeepSeek","url":"https://deepseek.com/en/news/deepseek-r1/","evidence_locator":"","source_type":"official_announcement","primary_or_secondary":"primary","retrieved_at":"2026-10-09T19:12:47.000Z","published_at":"2025-01-20T00:00:00.000Z","author":null,"metadata":{"time_precision":"day","evidence_locator":"Original dated article body; exclude navigation and subsequent updates","historical_scope":"2025-Q1"},"created_at":"2026-10-10T08:11:02.789Z","updated_at":"2026-10-10T08:11:02.789Z"}]}