{"event":{"id":"evt-2024q1-gemini15","dedupe_key":"historical_material_change:2024-02-15:gemini-1-5-pro-enters-limited-million-token-preview","event_type":"historical_material_change","title":"Gemini 1.5 Pro enters limited million-token preview","summary":"Google offered a limited Gemini 1.5 Pro preview, with up to one million context tokens for selected developers and enterprises.","occurred_at":"2024-02-15T00:00:00.000Z","published_at":"2024-02-15T00:00:00.000Z","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":"Google offered a limited Gemini 1.5 Pro preview, with up to one million context tokens for selected developers and enterprises.","what_must_not_be_inferred":"Experimental long context is not general availability or reliable reasoning over every token.","availability_status":"private_preview","affected_layers":["layer-models","layer-research","layer-software"],"epistemic_status":"observed_fact"},"created_at":"2026-10-09T21:04:17.173Z","updated_at":"2026-10-09T21:04:17.173Z"},"artifacts":[{"id":"art-2024q1-gemini15","dedupe_key":"29eeb84bad9a8e720346e8dcaa17c11e635a5c8d7ef6918213feb6f1467bd039","canonical_url":"https://blog.google/innovation-and-ai/products/google-gemini-next-generation-model-february-2024/","evidence_locator":"","artifact_type":"official_announcement","title":"Gemini 1.5 Pro enters limited million-token preview","summary":"Google offered a limited Gemini 1.5 Pro preview, with up to one million context tokens for selected developers and enterprises.","creator_entities":["Google"],"released_at":"2024-02-15T00:00:00.000Z","content_hash":null,"metadata":{"historical_scope":"2024-Q1"},"created_at":"2026-10-09T21:04:17.166Z","updated_at":"2026-10-09T21:04:17.166Z","relation":"documented_by"}],"signals":[{"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"}]}