{"event":{"id":"evt-2024q1-claude3","dedupe_key":"historical_material_change:2024-03-04:claude-3-opus-and-sonnet-become-available-with-vision","event_type":"historical_material_change","title":"Claude 3 Opus and Sonnet become available with vision","summary":"Anthropic made Opus and Sonnet available through Claude and its API with image understanding and a 200K initial context window.","occurred_at":"2024-03-04T00:00:00.000Z","published_at":"2024-03-04T00:00:00.000Z","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":"Anthropic made Opus and Sonnet available through Claude and its API with image understanding and a 200K initial context window.","what_must_not_be_inferred":"Haiku was announced for later availability; benchmark leadership and near-human intelligence remain vendor claims.","availability_status":"available","affected_layers":["layer-models","layer-software","layer-human"],"epistemic_status":"observed_fact"},"created_at":"2026-10-09T21:04:17.174Z","updated_at":"2026-10-09T21:04:17.174Z"},"artifacts":[{"id":"art-2024q1-claude3","dedupe_key":"b22c9c3b1578227cb38b094a84eb40604538d7e5d88f1088f718db6de4d20ca4","canonical_url":"https://www.anthropic.com/news/claude-3-family","evidence_locator":"","artifact_type":"official_announcement","title":"Claude 3 Opus and Sonnet become available with vision","summary":"Anthropic made Opus and Sonnet available through Claude and its API with image understanding and a 200K initial context window.","creator_entities":["Anthropic"],"released_at":"2024-03-04T00:00:00.000Z","content_hash":null,"metadata":{"historical_scope":"2024-Q1"},"created_at":"2026-10-09T21:04:17.167Z","updated_at":"2026-10-09T21:04:17.167Z","relation":"documented_by"}],"signals":[{"id":"sig-2024q1-human","statement":"Users gained discoverable customized assistants, another paid frontier assistant and a limited cross-chat memory test; this shows available interaction choices rather than population-wide adoption.","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":"2026-10-09T21:04:17.179Z","updated_at":"2026-10-09T21:04:17.179Z"},{"id":"sig-2024q1-models","statement":"Vision-capable assistants broadened across providers; selected million-token multimodal experiments and video-generation research expanded the model interface beyond Q4's available products.","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":"2026-10-09T21:04:17.177Z","updated_at":"2026-10-09T21:04:17.177Z"},{"id":"sig-2024q1-software","statement":"Customized-assistant distribution and developer-facing vision/long-context products expanded, while software-engineering delegation remained early access.","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":"2026-10-09T21:04:17.178Z","updated_at":"2026-10-09T21:04:17.178Z"}]}