{"event":{"id":"evt-2025q4-gpt52","dedupe_key":"historical_material_change:2025-12-11:gpt-5-2-releases-across-api-and-paid-plans","event_type":"historical_material_change","title":"GPT-5.2 releases across API and paid plans","summary":"OpenAI releases three GPT-5.2 variants with paid-user rollout and API access.","occurred_at":"2025-12-11T00:00:00.000Z","published_at":"2025-12-11T00:00:00.000Z","observed_at":"2026-10-10T06:24:42.000Z","reconstructed_at":"2026-10-10T06:24:42.000Z","ingest_type":"live_world_scan","locations":null,"status":"verified","confidence":0.96,"metadata":{"what_happened_at_time":"OpenAI releases three GPT-5.2 variants with paid-user rollout and API access.","what_must_not_be_inferred":"Provider evaluations do not independently establish general professional replacement or absence of failure modes.","availability_status":"api_and_paid_rollout","affected_layers":["layer-models","layer-software"],"epistemic_status":"observed_fact","reported_capabilities_are_actor_claims":true,"time_precision":"day"},"created_at":"2026-10-10T08:37:10.922Z","updated_at":"2026-10-10T08:37:10.922Z"},"artifacts":[{"id":"art-2025q4-gpt52","dedupe_key":"2b1c411fbd2cbc22813f9c062a4bfaaf5806afdb6325b562cdbad4da0797c3f7","canonical_url":"https://openai.com/index/introducing-gpt-5-2/","evidence_locator":"","artifact_type":"official_announcement","title":"GPT-5.2 releases across API and paid plans","summary":"OpenAI releases three GPT-5.2 variants with paid-user rollout and API access.","creator_entities":["OpenAI"],"released_at":"2025-12-11T00:00:00.000Z","content_hash":null,"metadata":{"historical_scope":"2025-Q4","availability_status":"api_and_paid_rollout"},"created_at":"2026-10-10T08:37:10.919Z","updated_at":"2026-10-10T08:37:10.919Z","relation":"documented_by"}],"signals":[{"id":"sig-2025q4-gpt52","statement":"OpenAI releases three GPT-5.2 variants with paid-user rollout and API access. Provider evaluations do not independently establish general professional replacement or absence of failure modes.","signal_type":"historical_layer_delta","direction":"increasing","confidence":0.9,"epistemic_status":"supported_inference","mapping_mode":"retrospective","reconstructed_at":"2026-10-10T06:24:42.000Z","created_at":"2026-10-10T08:37:10.925Z","updated_at":"2026-10-10T08:37:10.925Z"}]}