{"id":"clm_9C2B7F7F2BC9","entity":"openai","predicate":"released","value":"Gym Retro","value_json":{"feed":"openai-news","item":"https://openai.com/index/gym-retro","tags":{"v":2,"ai":true,"by":"claude-haiku-5-5","on":"2026-11-03","themes":["reasoning"],"release_kind":"developer_tool"},"check":{"on":"2026-11-04","url":"https://openai.com/index/gym-retro","read":"feed","pages":1,"quote":"We’re releasing the full version of Gym Retro, a platform for reinforcement learning research on games.","outcome":"checked"},"evidence":"We’re releasing the full version of Gym Retro, a platform for reinforcement learning research on games. This brings our publicly-released game count from around 70 Atari games and 30 Sega games to over 1,000 games across a variety of backing emulators. We’re also releasing the tool we use to add new","extracted_by":"claude-haiku-5-5","primary_source":true},"valid_from":"2018-05-25","valid_to":null,"published":"2018-05-25","recorded":"2026-11-03","confidence":0.7,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-11-03T23:55:38.749992+00:00","updated_at":"2026-11-04T01:09:03.345166+00:00","sources":[{"url":"https://openai.com/index/gym-retro","tier":"primary","publisher":"OpenAI","published_at":"2018-05-25T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-11-04","quote":"We’re releasing the full version of Gym Retro, a platform for reinforcement learning research on games.","url":"https://openai.com/index/gym-retro","read":"feed","excerpt":"We’re releasing the full version of Gym Retro, a platform for reinforcement learning research on games. This brings our publicly-released game count from around 70 Atari games and 30 Sega games to over 1,000 games across a variety of backing emulators. We’re also releasing the tool we use to add new"},"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","why_not":{},"checked_by":{"page-read":"its source page states the value and the date"}}}