CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins83% CONFIDENCEOverall confidence: 83%How well the pin's source and references back up its dates.Weighted average of how firmly 5 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 betterTechCrunch[1][5] (31 March 2026, 'has closed a deal to raise $122 billion') and PYMNTS[4] (31 March, 'Tuesday (March 31) press release') agree; CNBC[3] later called it OpenAI's record-breaking round. Wikipedia[2] cites an OpenAI post dated 24 March and says 'April', so the exact date of OpenAI's own post is less clear; 31 March is the closing news both press reports give.
OpenAI announced on 31 March 2026 that it had closed US$122 billion in committed capital at an US$852 billion post-money valuation, the largest private technology funding round on record. It grew from the US$110 billion first close announced on 27 February.
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