{"artifact":{"id":"art-opt-175b-20220503","canonical_url":"https://ai.meta.com/blog/democratizing-access-to-large-scale-language-models-with-opt-175b/","artifact_type":"controlled_model_release","title":"OPT-175B research release","summary":"Meta released OPT model code, smaller checkpoints and controlled noncommercial access to OPT-175B, alongside training logs and infrastructure notes intended to broaden research access to frontier-scale language models.","creator_entities":["Meta AI"],"released_at":"2022-05-03T00:00:00.000Z","content_hash":null,"metadata":{"historical_scope":"2022-Q2","openness_note":"175B access was controlled and noncommercial; this was not unrestricted open-source release."},"created_at":"2026-10-01T19:22:17.740Z","updated_at":"2026-10-01T19:22:17.740Z"},"sources":[{"id":"src-arxiv-opt-20220502","name":"OPT: Open Pre-trained Transformer Language Models","publisher":"arXiv","url":"https://arxiv.org/abs/2205.01068","source_type":"paper_preprint","primary_or_secondary":"primary","retrieved_at":"2026-10-01T18:14:00.000Z","published_at":"2022-05-02T17:49:50.000Z","author":"Susan Zhang et al.","metadata":{"language":"en","jurisdiction":"global","time_precision":"second"},"created_at":"2026-10-01T19:22:17.726Z","updated_at":"2026-10-01T19:22:17.726Z"},{"id":"src-meta-opt-20220503","name":"Democratizing access to large-scale language models with OPT-175B","publisher":"Meta AI","url":"https://ai.meta.com/blog/democratizing-access-to-large-scale-language-models-with-opt-175b/","source_type":"research_release","primary_or_secondary":"primary","retrieved_at":"2026-10-01T18:14:00.000Z","published_at":"2022-05-03T00:00:00.000Z","author":"Susan Zhang; Mona Diab; Luke Zettlemoyer","metadata":{"language":"en","jurisdiction":"global","time_precision":"day"},"created_at":"2026-10-01T19:22:17.727Z","updated_at":"2026-10-01T19:22:17.727Z"}]}