{"schema":"postcutoff/event@1","as_of":"2026-11-13T13:49:00+01:00","url":"https://postcutoff.com/e/2026-03-31-openai-122b-funding-round/","md":"https://postcutoff.com/e/2026-03-31-openai-122b-funding-round/index.md","disclosure":{"written_by":"AI agents (Claude Opus 5.5 in Claude Code)","editor":"human editor","policy":"https://postcutoff.com/about/"},"license":null,"id":"2026-03-31-openai-122b-funding-round","date":"2026-03-31","date_precision":"day","short_title":"OpenAI closes record $122B funding round at $852B valuation","deck":null,"takeaway":"On March 31, 2026 OpenAI closed the largest private funding round in history — $122B of committed capital at an $852B post-money valuation — led by Amazon ($50B, $35B of it contingent on an IPO or AGI), Nvidia ($30B) and SoftBank ($30B).","category":"business","category_label":"Business","importance":4,"confidence":"high","status":{"key":"confirmed","labels":["Confirmed"]},"sources":[{"n":1,"title":"SoftBank Group: Follow-on Investments in OpenAI (Feb 27, 2026)","url":"https://group.softbank/en/news/press/20260227","type":"official","group":"primary","domain":"group.softbank"},{"n":2,"title":"OpenAI raises $122 billion to accelerate the next phase of AI (OpenAI)","url":"https://openai.com/index/accelerating-the-next-phase-ai/","type":"official","group":"primary","domain":"openai.com"},{"n":3,"title":"Reuters via Investing.com: SoftBank completes final phase of $30 billion investment in OpenAI","url":"https://www.investing.com/news/stock-market-news/softbank-completes-final-phase-of-30-billion-investment-in-openai-4928149","type":"press","group":"press","domain":"investing.com"},{"n":4,"title":"The Information: Nvidia, SoftBank make final $20 billion investment in OpenAI's last round","url":"https://www.theinformation.com/briefings/exclusive-nvidia-softbank-make-final-20-billion-investment-openais-last-round","type":"press","group":"press","domain":"theinformation.com"},{"n":5,"title":"CNBC: OpenAI closes record-breaking $122 billion funding round","url":"https://www.cnbc.com/2026/03/31/openai-funding-round-ipo.html","type":"press","group":"press","domain":"cnbc.com"},{"n":6,"title":"Bloomberg: OpenAI valued at $852 billion","url":"https://www.bloomberg.com/news/articles/2026-03-31/openai-valued-at-852-billion-after-completing-122-billion-round","type":"press","group":"press","domain":"bloomberg.com"},{"n":7,"title":"Forbes: OpenAI reportedly weighs new round at up to $1.5 trillion","url":"https://www.forbes.com/sites/siladityaray/2026/09/16/openai-is-reportedly-weighing-new-funding-round-at-15-trillion-valuation/","type":"press","group":"press","domain":"forbes.com"}],"official":2,"filed":"2026-09-29","updated":"2026-10-01","orgs":["OpenAI","Amazon","Nvidia","SoftBank"],"title":"OpenAI closes record $122B funding round at $852B valuation","summary":"On March 31, 2026 OpenAI closed the largest private funding round in history — $122B of committed capital at an $852B post-money valuation — led by Amazon ($50B, $35B of it contingent on an IPO or AGI), Nvidia ($30B) and SoftBank ($30B).","key_facts":["Committed capital: $122 billion; post-money valuation: $852 billion; closed March 31, 2026","Amazon $50B (of which $35B contingent on OpenAI going public or reaching AGI); Nvidia $30B; SoftBank $30B","SoftBank paid its $30B in three $10B tranches (Apr 1, Jul 1, Oct 1, 2026 Japan time) via Vision Fund 2; the last one, funded by a senior-notes issue priced Sept 24, completed Oct 1, taking its cumulative OpenAI investment to $64.6B and stake to ~13% (Reuters)","The Information (Oct 1): Nvidia also made the final $10B payment of its $30B pledge, so the two completed a combined $20B on the same day","Other participants: Microsoft, Andreessen Horowitz, TPG, T. Rowe Price, MGX, D. E. Shaw","First time OpenAI raised via bank channels; $3B from individual investors","Altman said OpenAI does not plan to IPO in 2026","Sept 16, 2026: Forbes reported OpenAI weighing a new round at up to $1.5T valuation (reports also cite $1.2T) — unconfirmed"],"key_numbers":[],"tags":["funding","valuation","ipo","compute"],"science":null,"body_md":"## What happened\n\nOpenAI completed a $122B raise at an $852B valuation, with Amazon as the largest investor and a sizable portion of its check tied to an IPO or\nAGI milestone. OpenAI opened participation to individual investors via banks for the first time.\n\n## Why it matters\n\nThe round funds OpenAI's massive compute build-out (Stargate) and anchors expectations of an eventual IPO; the AGI-contingent tranche makes\n\"AGI\" a contractual financial trigger. The September reports of a $1.2–1.5T round are unconfirmed (medium confidence), and are not the subject of this entry.","disputed":[],"related":[{"id":"2026-09-29-openai-70b-arr-30b-raise","url":"https://postcutoff.com/e/2026-09-29-openai-70b-arr-30b-raise/","date":"2026-09-29","date_precision":"day","short_title":"OpenAI's annualized revenue nears $70B","deck":"It seeks $30B+ at a ~$1.4T valuation as a bridge in place of an IPO","takeaway":"A ~$1.4T pre-money valuation would be about 1.6x the March round, set while Anthropic's leaked prospectus reportedly targets $2T+.","category":"business","category_label":"Business","importance":4,"confidence":"medium","status":{"key":"partly","labels":["Partly confirmed"]},"sources":17,"official":0,"filed":"2026-09-29","updated":"2026-10-23","orgs":["OpenAI"]}],"people":[{"id":"sam-altman","name":"Sam Altman","url":"https://postcutoff.com/person/sam-altman/"}],"posts":[],"videos":[],"models":[],"changes":[{"date":"2026-10-01","type":"edit","text":"SoftBank's third $10B tranche (cumulative $64.6B, ~13%) and Nvidia's final $10B completed Oct 1 (Reuters, The Information)"},{"date":"2026-09-29","type":"filed","text":"Created"}],"provenance":{"agents":[{"model":"Claude Opus 5.5","maker":"Anthropic","tool":"Claude Code"}],"filed":"2026-09-29","run":null,"sources_read":null,"updated":"2026-10-01","human_review":null,"version":{"date":"2026-10-04"}},"gaps":[{"model_id":"gpt-6-astra","name":"GPT-6 Astra","cutoff":"2026-04","days_after":null,"in_training_data":true},{"model_id":"claude-opus-5-5","name":"Claude Opus 5.5","cutoff":"2026-06","days_after":null,"in_training_data":true},{"model_id":"gemini-4-hydrogen","name":"Gemini 4 Hydrogen","cutoff":"2026-03","days_after":null,"in_training_data":true},{"model_id":"grok-4-7","name":"Grok 4.7","cutoff":"2026-05","days_after":null,"in_training_data":true}],"short_url":"https://postcutoff.com/s/openai-closes-record-122b"}