{"event":{"id":"evt-2025q3-gpt5","dedupe_key":"historical_material_change:2025-08-07:gpt-5-developer-models-become-available","event_type":"historical_material_change","title":"GPT-5 developer models become available","summary":"OpenAI releases GPT-5 developer models with reasoning controls and tool-use support.","occurred_at":"2025-08-07T00:00:00.000Z","published_at":"2025-08-07T00:00:00.000Z","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 GPT-5 developer models with reasoning controls and tool-use support.","what_must_not_be_inferred":"Provider benchmark results do not establish independent productivity gains or task reliability in every deployment.","availability_status":"api_release","affected_layers":["layer-models","layer-software"],"epistemic_status":"observed_fact","reported_capabilities_are_actor_claims":true,"time_precision":"day"},"created_at":"2026-10-10T08:31:22.780Z","updated_at":"2026-10-10T08:31:22.780Z"},"artifacts":[{"id":"art-2025q3-gpt5","dedupe_key":"6b80ec7a11f1ba0c659fd74ff807e802b6d71d38a4e95594b14ac6445799931f","canonical_url":"https://openai.com/index/introducing-gpt-5-for-developers/","evidence_locator":"","artifact_type":"official_announcement","title":"GPT-5 developer models become available","summary":"OpenAI releases GPT-5 developer models with reasoning controls and tool-use support.","creator_entities":["OpenAI"],"released_at":"2025-08-07T00:00:00.000Z","content_hash":null,"metadata":{"historical_scope":"2025-Q3","availability_status":"api_release"},"created_at":"2026-10-10T08:31:22.773Z","updated_at":"2026-10-10T08:31:22.773Z","relation":"documented_by"}],"signals":[{"id":"sig-2025q3-gpt5","statement":"OpenAI releases GPT-5 developer models with reasoning controls and tool-use support. Provider benchmark results do not establish independent productivity gains or task reliability in every deployment.","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":"2026-10-10T08:31:22.786Z","updated_at":"2026-10-10T08:31:22.786Z"}]}