Most recently, OpenAI raised $520.0M in its Debt - General (Jul 2026).
- ·Post-money valuations for 9 rounds
- ·The complete investor list: 220 names
- ·Everyone on the team, board and advisors included
- ·Watch OpenAI: the Monday email on marks, rounds and moves
OpenAI round by round
25 roundsHow much has OpenAI raised?
OpenAI has raised $178 billion across 25 recorded rounds since 2015. The largest was an $8.4 million private secondary transaction in Feb 2025; the most recent was a $520 million debt round in Jul 2026. 9 of the rounds disclosed a post-money valuation.
OpenAI investors
220 investors are on record for OpenAI, led by Amazon.com, The D. E. Shaw Group and Robinhood Ventures. By type, the record holds 103 venture capital firms and 10 family offices. 3 of them led at least one round. The later-stage round in Apr 2026 drew 3 investors.
220 investors have backed OpenAI — start your target list with the firms already writing checks in software development applications.
Frequently asked about OpenAI
- How much has OpenAI raised?
- OpenAI has raised $178.1B in total across 25 recorded funding rounds.
- Who are OpenAI's lead investors?
- Lead investors in OpenAI's recorded rounds include Amazon.com, Amazon.com (NAS: AMZN), Andreessen Horowitz, Chainfund Capital, MGX.
- When was OpenAI's last funding round?
- OpenAI's most recent recorded round was Debt - General in Jul 2026, raising $520.0M.