{"event":{"id":"evt-hist-phase36-gemini-argon-ga","dedupe_key":"availability_milestone:2026-10-13:google-launches-gemini-4-argon-general-availability-october-13","event_type":"availability_milestone","title":"Google launches Gemini 4 Argon general availability October 13","summary":"October 13 commercial availability is distinct from the previously canonical September 30 model announcement; rollout conditions from Google.","occurred_at":"2026-10-13T00:00:00.000Z","published_at":"2026-10-13T00:00:00.000Z","observed_at":"2026-10-18T13:01:27.000Z","reconstructed_at":"2026-10-18T13:01:27.000Z","ingest_type":"historical_backfill","locations":null,"status":"verified","confidence":0.8,"metadata":{"evidence_only":1,"global_novelty_unproven":1,"independent_outcomes_unproven":1,"original_index_position":1325},"created_at":"2026-10-19T06:07:39.316Z","updated_at":"2026-10-19T06:07:39.316Z"},"artifacts":[{"id":"art-hist-phase36-gemini-argon-ga","dedupe_key":"3edd295475d17326922ffdcc3f035d277daa90fb9e23ce10e1fadbbb973f1731","canonical_url":"https://blog.google/innovation-and-ai/models-and-research/gemini-models/introducing-gemini-4-argon/","evidence_locator":"","artifact_type":"original_publication","title":"Google launches Gemini 4 Argon general availability October 13","summary":"","creator_entities":[],"released_at":"2026-10-13T00:00:00.000Z","content_hash":null,"metadata":[],"created_at":"2026-10-19T06:07:39.315Z","updated_at":"2026-10-19T06:07:39.315Z","relation":"documented_by"}],"signals":[]}