{"passport":{"slug":"gpt-54","display_name":"GPT-5.4","model_type":"agentic","parameter_count":null,"context_window":"1,050,000 tokens","claimed_developer":"OpenAI","confirmed_developer":"OpenAI","developer_confirmed_at":"2026-03-05T00:00:00+00:00","developer_source":"Confirmed via https://techcrunch.com/2026/03/05/openai-launches-gpt-5-4-with-pro-and-thinking-versions/","first_appeared_at":"2023-04-12T00:00:00+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":"Proprietary (OpenAI API Terms of Service)","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":"2023-04-12T00:00:00+00:00","title":"First recorded in AI news","detail":"OpenAI has released a new large language model called GPT-5.4, which is their most capable and efficient frontier model for professional work, with state-of-the-art coding, computer use, tool search, and 1M-token context.","source_url":"https://openai.com/index/introducing-gpt-5-4","source_name":"OpenAI Blog"}],"delta":{"days_unattributed":1058,"claimed_developer":"OpenAI","confirmed_developer":"OpenAI","match":true}}