Indicators / series
epoch.openai.post_money_usd.pt
Source: Epoch AI data hub — AI companies (Epoch AI) · CC BY 4.0 · CSV
Epoch AI, 'Data on AI Companies' (CC BY 4.0), epoch.ai/data
| id | value | grade | as of date | published date | tier | audited vs reported | extraction method | review status | retrieved at | http status | content hash | supersedes id | url | flags |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ba753e36d719e80c | $27.0B | grade C, evidence tier 5 | 2023-04-26 | 2026-09-10 | 5 | reported | api | approved | 2026-09-10T01:28:41.972289Z | 200 | 90c5337eb305 | — | source page | |
| 23de4ade89dedf00 | $157B | grade C, evidence tier 5 | 2024-10-02 | 2024-10-02 | 5 | reported | api | approved | 2026-09-10T01:28:41.972289Z | 200 | 90c5337eb305 | — | source page | |
| 939ac4c5b1a936f0 | $300B | grade C, evidence tier 5 | 2025-03-31 | 2025-03-31 | 5 | estimated | api | approved | 2026-09-10T01:28:41.972289Z | 200 | 90c5337eb305 | — | source page | |
| 2b53477f310cd38c | $300B | grade C, evidence tier 5 | 2025-08-01 | 2025-08-01 | 5 | estimated | api | approved | 2026-09-10T01:28:41.972289Z | 200 | 90c5337eb305 | — | source page | |
| 9077ca9a84156953 | $840B | grade C, evidence tier 5 | 2026-02-27 | 2026-02-27 | 5 | reported | api | approved | 2026-09-10T01:28:41.972289Z | 200 | 90c5337eb305 | — | source page | |
| 509992bfb6dccad2 | $852B | grade C, evidence tier 5 | 2026-03-31 | 2026-03-31 | 5 | reported | api | approved | 2026-09-10T01:28:41.972289Z | 200 | 90c5337eb305 | — | source page |
Raw snippets and dispute text
- ba753e36d719e80c {"Close date": "2023-04-26", "Company": "OpenAI", "Confidence": "Confident", "Funding (equity)": "300000000.0", "Id": "Apr 2023 27B", "Notes": "Reuters says 27-29B, later The Information report just references 27B (https://www.theinformation.com/articles/openai-passes-1-billion-revenue-pace-as-big-companies-boost-ai-spending?rc=4ylmkj)", "Source 1": "https://www.reuters.com/markets/deals/openai-closes-10-bln-funding-round-27-bln-29-bln-valuation-techcrunch-2023-04-28/", "Status": "Closed", "Type": "Primary", "Valuation (post-money)": "27000000000.0"}
- 23de4ade89dedf00 {"Close date": "2024-10-02", "Company": "OpenAI", "Confidence": "Confident", "Funding (debt)": "4000000000.0", "Funding (equity)": "6600000000.0", "Id": "Oct 2024 157B", "Notes": "From OAI: \"We\u2019ve raised $6.6B in new funding at a $157B post-money valuation to accelerate progress on our mission\"\n\nPer Reuters, these investments are convertible notes contingent on OAI converting to a for-profit. (I.e. they start out as debt and convert to equity if OAI becomes a for-profit)\n\n\"The funding has attracted returning venture capital investors including Thrive Capital and Khosla Ventures, as well as OpenAI's biggest corporate backer Microsoft (MSFT.O), opens new tab, and new participation from Nvidia (NVDA.O)...\nAltimeter Capital, Fidelity (FNF.N), opens new tab, SoftBank (9984.T), opens new tab, and Abu Dhabi's state-backed investment firm MGX also participated in the round...\nThe funding came in the form of convertible notes, and the conversion to equity hinges on a successful structural change into a for-profit that would no longer be controlled by the non-profit board and the removal of cap on returns for investors.\"", "Report date": "2024-10-02", "Source 1": "https://openai.com/index/scale-the-benefits-of-ai/", "Source 2": "https://openai.com/index/new-credit-facility-enhances-financial-flexibility/", "Source 3": "https://www.reuters.com/technology/artificial-intelligence/openai-closes-66-billion-funding-haul-valuation-157-billion-with-investment-2024-10-02/ ", "Sta
- 939ac4c5b1a936f0 {"Close date": "2025-03-31", "Company": "OpenAI", "Confidence": "Likely", "Funding (equity)": "10000000000.0", "Id": "Mar 2025 300B Stage 1", "Notes": "Initially 10B, with the remaining 30B coming later. Arguably the interim post-money valuation is $270B, but I'll record them all as 300B for simplicity.\n\n\"The round comes to $30 billion from SoftBank and $10 billion from a syndicate of investors.\"\n\nThis record represents the first phase of the full round, since the money is changing hands at multiple stages. \n\nAlso, it is subject to revision based on OAI's nonprofit status.\n\n\"The initial funding will be $10 billion, followed by the remaining $30 billion by the end of 2025, the person said. But the round comes with a caveat. SoftBank said in an updated disclosure on Monday that its total investment could be slashed to as low as $20 billion if OpenAI doesn\u2019t restructure into a for-profit entity by Dec. 31.\"\n\nOpenAI announcement here, which does not mention the multiple stages. \n\nhttps://openai.com/index/march-funding-updates/ ", "Report date": "2025-03-31", "Source 1": "https://www.cnbc.com/2025/03/31/openai-closes-40-billion-in-funding-the-largest-private-fundraise-in-history-softbank-chatgpt.html", "Source 2": "https://openai.com/index/march-funding-updates/ ", "Status": "Closed", "Type": "Primary", "Valuation (post-money)": "300000000000.0"}
- 2b53477f310cd38c {"Close date": "2025-08-01", "Company": "OpenAI", "Confidence": "Likely", "Funding (equity)": "8300000000.0", "Id": "300B Stage 2", "Notes": "This is the second tranche of OAI's 40B/300B mega-round led by Softbank, which was initially intended to take place in 10B and 30B stages. Widely reported but not announced by OAI.\n\n\"OpenAI has raised $8.3 billion at a $300 billion valuation, months ahead of schedule, as part of its plan to secure $40 billion in funding this year, DealBook has learned.\n...\nA wave of new investors participated in the round, including the private equity giants Blackstone and TPG, and the mutual fund manager T. Rowe Price. Other participants include Fidelity Management, Founders Fund, Sequoia Capital, Andreessen Horowitz, Coatue Management, Altimeter Capital, D1 Capital Partners, Tiger Global and Thrive Capital.\n...\nThe biggest investor was Dragoneer Investment Group, which committed $2.8 billion, an astonishing check from a single venture capital firm that may be one of the largest ever written.\n\"", "Report date": "2025-08-01", "Source 1": "https://www.nytimes.com/2025/08/01/business/dealbook/openai-ai-mega-funding-deal.html", "Status": "Closed", "Type": "Primary", "Valuation (post-money)": "300000000000.0"}
- 9077ca9a84156953 {"Close date": "2026-02-27", "Company": "OpenAI", "Confidence": "Confident", "Funding (equity)": "110000000000.0", "Id": "840B Feb 2026", "Notes": "\"Today we\u2019re announcing $110B in new investment at a $730B pre-money valuation. This includes $30B from SoftBank, $30B from NVIDIA, and $50B from Amazon.\"\n\nwill be followed by other investors\n\nUpdate July 2026: Amazon has completed its 50 billion investment, per The Information", "Report date": "2026-02-27", "Source 1": "https://openai.com/index/scaling-ai-for-everyone/", "Source 2": "https://www.theinformation.com/briefings/amazon-completes-additional-35-billion-investment-openai?rc=9mzoog", "Status": "Closed", "Type": "Primary", "Valuation (post-money)": "840000000000.0"}
- 509992bfb6dccad2 {"Close date": "2026-03-31", "Company": "OpenAI", "Confidence": "Confident", "Funding (equity)": "12000000000.0", "Id": "852B March 2026", "Notes": "$12 billion is from subtracting the $110B from Nvidia, Amazon, and Softbank from the $122B total announced in March. \n\n\"Our ambition is matched by the commitment of the partners backing us. The round was anchored by our strategic partners Amazon, NVIDIA, and SoftBank, with continued participation from our long-term partner, Microsoft. SoftBank co-led the round alongside a16z, D. E. Shaw Ventures, MGX, TPG, and accounts advised by T. Rowe Price Associates, Inc. There was also significant participation from a diverse set of global institutions including Altimeter, Appaloosa LP, ARK Invest, affiliated funds of BlackRock, Blackstone, Coatue, D1 Capital Partners, Dragoneer, Fidelity Management & Research Company, Goanna Capital, Insight Partners, The Paragon Group, Sands Capital, Sequoia Capital, Sound Ventures, Temasek, Thrive Capital, UC Investments (University of California CIO Office), and Winslow Capital.\"\n\nOpenAI also expanded their revolving line of credit by $4.7 billion.", "Report date": "2026-03-31", "Source 1": "https://openai.com/index/accelerating-the-next-phase-ai/", "Status": "Closed", "Type": "Primary", "Valuation (post-money)": "852000000000.0"}