{"event":{"id":"evt-gpt4-20230314","dedupe_key":"frontier_model_release:2023-03-14:openai-releases-gpt-4","event_type":"frontier_model_release","title":"OpenAI releases GPT-4","summary":"OpenAI released GPT-4 with text access through ChatGPT Plus and API waitlist expansion; image input remained research preview.","occurred_at":"2023-03-14T00:00:00.000Z","published_at":"2023-03-14T00:00:00.000Z","observed_at":"2026-10-05T14:55:19.000Z","reconstructed_at":"2026-10-05T15:23:51.000Z","ingest_type":"live_world_scan","locations":null,"status":"verified","confidence":0.99,"metadata":{"actors":["OpenAI"],"what_happened_at_time":"OpenAI released GPT-4 with text access through ChatGPT Plus and API waitlist expansion; image input remained research preview.","evidence_at_time":"OpenAI's March 14 GPT-4 release states that text capability was available through ChatGPT Plus and API waitlist access, while image input remained a research-preview capability rather than general public access.","affected_layers":["layer-models","layer-ai","layer-research","layer-human","layer-software"],"change_kind":"frontier_capability_step","q4_continuity":"Q4 is the canonical predecessor; this record stores only the supported Q1 delta.","retrospective_inference":"Interpretation is limited to Q1 evidence and does not import later 2023-2026 consequences.","uncertainty":"Access, deployment, adoption and downstream effects are kept distinct from the announcement or observed capability."},"created_at":"2026-10-05T18:17:53.790Z","updated_at":"2026-10-05T18:17:53.790Z"},"artifacts":[{"id":"art-gpt4-20230314","canonical_url":"https://openai.com/index/gpt-4-research/","artifact_type":"frontier_model_release","title":"OpenAI releases GPT-4","summary":"OpenAI released GPT-4 with text access through ChatGPT Plus and API waitlist expansion; image input remained research preview.","creator_entities":["OpenAI"],"released_at":"2023-03-14T00:00:00.000Z","content_hash":null,"metadata":{"historical_scope":"2023-Q1","access_note":"Image input remained research preview; Q1 public availability was text access."},"created_at":"2026-10-05T18:17:53.782Z","updated_at":"2026-10-05T18:17:53.782Z","relation":"evidenced_by"}],"signals":[{"id":"sig-q1-frontier-capability-step","statement":"GPT-4 established a materially stronger frontier-model capability state in Q1, while public access remained gated and image input was not yet generally available.","signal_type":"frontier_model_capability_step","direction":"increasing","confidence":0.97,"epistemic_status":"supported_inference","mapping_mode":"retrospective","reconstructed_at":"2026-10-05T15:23:51.000Z","created_at":"2026-10-05T18:17:53.794Z","updated_at":"2026-10-05T18:17:53.794Z"}]}