{"passport":{"slug":"musenet","display_name":"MuseNet","model_type":"audio","parameter_count":null,"context_window":"4096 tokens","claimed_developer":"OpenAI","confirmed_developer":"OpenAI","developer_confirmed_at":"2019-04-25T00:00:00+00:00","developer_source":"Confirmed via https://openai.com/index/musenet","first_appeared_at":"2026-03-04T18:31:11.397897+00:00","first_appeared_on":"rss_pipeline","status":"confirmed","availability":null,"deployment_status":"not_deployed","availability_scope":null,"gate":3,"eu_ai_act":"unknown","regulatory_status":{"eu_ai_act":"unknown"},"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":"2026-03-04T18:31:11.397897+00:00","title":"First recorded in AI news","detail":"OpenAI has created MuseNet, a deep neural network that can generate 4-minute musical compositions with 10 different instruments, and can combine styles from country to Mozart to the Beatles.","source_url":"https://openai.com/index/musenet","source_name":"OpenAI Blog"}],"delta":{"days_unattributed":null,"claimed_developer":"OpenAI","confirmed_developer":"OpenAI","match":true}}