CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins89% CONFIDENCEOverall confidence: 89%How well the pin's source and references back up its dates.Weighted average of how firmly 6 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better
OpenAI's[1][2][3][4][6] launch post is dated July 9, 2026 and says GPT-5.6 "is available starting today across ChatGPT, Codex, and the OpenAI API"; TechCrunch's[5] report is stamped 9 July 2026 and OpenAI's API changelog lists "July 9, 2026: Released the GPT-5.6 model family". A limited preview for trusted partners began on 26 June 2026 and is not the release.OpenAI releases GPT-5.6 Terra and GPT-5.6 Luna alongside GPT-5.6 Sol: Terra, a lower-cost model with GPT-5.5-competitive performance, and Luna, its fastest and most affordable tier, at $2.50 and $1 per 1 million input tokens at launch.
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