{"artifact":{"id":"art-llama2-20230718","dedupe_key":"321cb35f2a24f0365bca3124b87e0b8e13614510aa0c5aa8bd5af81b37696c3c","canonical_url":"https://about.fb.com/news/2023/07/llama-2/","evidence_locator":"","artifact_type":"open_weight_model_release","title":"Llama 2","summary":"Llama 2 weights/code were released for research and broad commercial use under the Community License.","creator_entities":["Meta"],"released_at":"2023-07-18T00:00:00.000Z","content_hash":null,"metadata":{"historical_scope":"2023-Q3","license_note":"Commercial open-weight/community license; not unrestricted open source."},"created_at":"2026-10-07T16:56:16.826Z","updated_at":"2026-10-07T16:56:16.826Z"},"sources":[{"id":"src-meta-llama2-20230718","dedupe_key":"02356634c1112f8d43ff8361b9d43d595da66c1579ece1a5bb99587ec38889b6","name":"Meta and Microsoft Introduce the Next Generation of Llama","publisher":"Meta","url":"https://about.fb.com/news/2023/07/llama-2/","evidence_locator":"","source_type":"open_weight_model_release","primary_or_secondary":"primary","retrieved_at":"2026-10-07T15:56:31.000Z","published_at":"2023-07-18T00:00:00.000Z","author":"Meta","metadata":{"language":"en","jurisdiction":"global","time_precision":"day"},"created_at":"2026-10-07T16:56:16.812Z","updated_at":"2026-10-07T16:56:16.812Z"}]}