{"id":"clm_B1D57A72B6EA","entity":"openai","predicate":"feature_added","value":"Transparent backgrounds","value_json":{"feed":"openai-api-changelog","item":"https://developers.openai.com/api/docs/changelog#2026-08-20","tags":{"v":2,"ai":true,"by":"claude-haiku-5-5","on":"2026-10-31","themes":["image_video","developer_platform"]},"check":{"on":"2026-10-31","url":"https://developers.openai.com/api/docs/changelog#2026-08-20","pages":1,"quote":"Aug 20 Update gpt-image-2 gpt-image-2-2026-04-21 v1/images/generations v1/images/edits v1/responses Transparent backgrounds are now available in preview for gpt-image-2 and gpt-image-2-2026-04-21 in the Images API and the Responses API image generation tool.","outcome":"checked"},"evidence":"Feature · Released the Prompt Caching dashboard on the OpenAI API platform. Track your cache hit rate over time, cache reads per write, and the breakdown of cache-read, cache-write, and uncached tokens to understand your caching efficiency and identify opportunities to improve. Filter metrics by mod","extracted_by":"claude-haiku-5-5","primary_source":true},"valid_from":"2026-08-20","valid_to":null,"published":"2026-08-20","recorded":"2026-10-31","confidence":0.7,"status":"valid","assertable":true,"superseded_by":null,"supersedes":[],"first_seen_at":"2026-10-31T13:45:31.627563+00:00","updated_at":"2026-10-31T13:48:31.109208+00:00","sources":[{"url":"https://developers.openai.com/api/docs/changelog#2026-08-20","tier":"primary","publisher":"OpenAI","published_at":"2026-08-20T00:00:00+00:00"}],"evidence":{"by":"page-read","on":"2026-10-31","quote":"Aug 20 Update gpt-image-2 gpt-image-2-2026-04-21 v1/images/generations v1/images/edits v1/responses Transparent backgrounds are now available in preview for gpt-image-2 and gpt-image-2-2026-04-21 in the Images API and the Responses API image generation tool.","url":"https://developers.openai.com/api/docs/changelog#2026-08-20","excerpt":"Feature · Released the Prompt Caching dashboard on the OpenAI API platform. Track your cache hit rate over time, cache reads per write, and the breakdown of cache-read, cache-write, and uncached tokens to understand your caching efficiency and identify opportunities to improve. Filter metrics by mod"},"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"}}}