{"event":{"id":"evt-2025q1-r1","dedupe_key":"historical_material_change:2025-01-20:deepseek-r1-releases-reasoning-weights","event_type":"historical_material_change","title":"DeepSeek-R1 releases reasoning weights","summary":"DeepSeek released R1 code and weights under MIT licensing and associated distilled models.","occurred_at":"2025-01-20T00:00:00.000Z","published_at":"2025-01-20T00:00:00.000Z","observed_at":"2026-10-09T19:12:47.000Z","reconstructed_at":"2026-10-09T19:12:47.000Z","ingest_type":"live_world_scan","locations":null,"status":"verified","confidence":0.97,"metadata":{"what_happened_at_time":"DeepSeek released R1 code and weights under MIT licensing and associated distilled models.","what_must_not_be_inferred":"Vendor o1-parity and low-cost narratives are not independent total-cost evidence; distilled models retain upstream-license considerations.","availability_status":"released","affected_layers":["layer-models","layer-research","layer-open-source"],"epistemic_status":"observed_fact"},"created_at":"2026-10-10T08:11:02.801Z","updated_at":"2026-10-10T08:11:02.801Z"},"artifacts":[{"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","relation":"documented_by"}],"signals":[{"id":"sig-2025q1-models","statement":"Downloadable reasoning weights, hybrid extended thinking and compact multimodal releases widened model choices without independent frontier-parity claims.","signal_type":"historical_layer_delta","direction":"increasing","confidence":0.93,"epistemic_status":"supported_inference","mapping_mode":"retrospective","reconstructed_at":"2026-10-09T19:12:47.000Z","created_at":"2026-10-10T08:11:02.807Z","updated_at":"2026-10-10T08:11:02.807Z"},{"id":"sig-2025q1-open-source","statement":"Reasoning weights, agent SDKs and robot-model resources broadened adaptable components while licenses differed.","signal_type":"historical_layer_delta","direction":"increasing","confidence":0.93,"epistemic_status":"supported_inference","mapping_mode":"retrospective","reconstructed_at":"2026-10-09T19:12:47.000Z","created_at":"2026-10-10T08:11:02.807Z","updated_at":"2026-10-10T08:11:02.807Z"},{"id":"sig-2025q1-research","statement":"Reasoning and embodied-action research expanded through open resources and partner demonstrations.","signal_type":"historical_layer_delta","direction":"increasing","confidence":0.93,"epistemic_status":"supported_inference","mapping_mode":"retrospective","reconstructed_at":"2026-10-09T19:12:47.000Z","created_at":"2026-10-10T08:11:02.809Z","updated_at":"2026-10-10T08:11:02.809Z"}]}