{"event":{"id":"evt-2024q2-gpt4o","dedupe_key":"historical_material_change:2024-05-13:gpt-4o-text-and-vision-roll-out","event_type":"historical_material_change","title":"GPT-4o text and vision roll out","summary":"OpenAI began GPT-4o text/image rollout in ChatGPT and made text/vision API access available.","occurred_at":"2024-05-13T00:00:00.000Z","published_at":"2024-05-13T00:00:00.000Z","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":"OpenAI began GPT-4o text/image rollout in ChatGPT and made text/vision API access available.","what_must_not_be_inferred":"The announced native audio/video experience was not generally available at launch.","availability_status":"rollout","affected_layers":["layer-models","layer-software","layer-human"],"epistemic_status":"observed_fact"},"created_at":"2026-10-10T07:29:06.771Z","updated_at":"2026-10-10T07:29:06.771Z"},"artifacts":[{"id":"art-2024q2-gpt4o","dedupe_key":"9dfa477c090fedffc5076770aee1c6c0a99bc1a66a7b1810fe3206a306a57038","canonical_url":"https://openai.com/index/hello-gpt-4o/","evidence_locator":"","artifact_type":"official_announcement","title":"GPT-4o text and vision roll out","summary":"OpenAI began GPT-4o text/image rollout in ChatGPT and made text/vision API access available.","creator_entities":["OpenAI"],"released_at":"2024-05-13T00:00:00.000Z","content_hash":null,"metadata":{"historical_scope":"2024-Q2"},"created_at":"2026-10-10T07:29:06.762Z","updated_at":"2026-10-10T07:29:06.762Z","relation":"documented_by"}],"signals":[{"id":"sig-2024q2-human","statement":"Available user interfaces expanded toward free-tier multimodal assistance, local AI PCs and editable outputs; Recall's deferral preserved a concrete availability boundary.","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":"2026-10-10T07:29:06.782Z","updated_at":"2026-10-10T07:29:06.782Z"},{"id":"sig-2024q2-models","statement":"Multimodal text/vision and long-context interfaces gained broader product and GA API access, with live audio/video rollout still separate.","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":"2026-10-10T07:29:06.779Z","updated_at":"2026-10-10T07:29:06.779Z"}]}