{"passport":{"slug":"gpt-51-codex-max","display_name":"GPT-5.1-Codex-Max","model_type":"agentic","parameter_count":null,"context_window":"400000","claimed_developer":"OpenAI","confirmed_developer":"OpenAI","developer_confirmed_at":"2025-11-19T00:00:00+00:00","developer_source":"Confirmed via https://openai.com/index/gpt-5-1-codex-max/","first_appeared_at":"2026-03-03T12:31:12.164132+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":"2026-03-03T12:31:12.164132+00:00","title":"First recorded in AI news","detail":"OpenAI has released a new model called GPT-5.1-Codex-Max, which is a faster and more intelligent agentic coding model designed for long-running, project-scale work with enhanced reasoning and token efficiency.","source_url":"https://openai.com/index/gpt-5-1-codex-max","source_name":"OpenAI Blog"}],"delta":{"days_unattributed":null,"claimed_developer":"OpenAI","confirmed_developer":"OpenAI","match":true}}