{"passport":{"slug":"grok-4-fast","display_name":"Grok 4 Fast","model_type":"game","parameter_count":null,"context_window":"2,000,000 tokens","claimed_developer":"xAI","confirmed_developer":"xAI","developer_confirmed_at":"2025-09-19T00:00:00+00:00","developer_source":"Confirmed via https://x.ai/news/grok-4-fast","first_appeared_at":"2026-03-06T06:30:28.976129+00:00","first_appeared_on":"rss_pipeline","status":"confirmed","availability":null,"deployment_status":"not_deployed","availability_scope":null,"gate":3,"eu_ai_act":"GPAI","regulatory_status":{"eu_ai_act":"GPAI"},"open_source":false,"weights_available":false,"license":null,"provenance_chain":[],"parent_model":null,"model_family":null,"superseded_by":null,"supersedes":[],"recommended_replacement":null,"product_links":null},"events":[{"event_type":"first_appearance","event_date":"2026-03-06T06:30:28.976129+00:00","title":"First recorded in AI news","detail":"Grok has released version 4 of their cost-efficient AI model, Grok 4 Fast.","source_url":"https://x.ai/news/grok-4-fast","source_name":"xAI News"}],"delta":{"days_unattributed":null,"claimed_developer":"xAI","confirmed_developer":"xAI","match":true}}