The OpenAI Startup Fund invests in early-stage AI startups that leverage artificial intelligence to drive transformative change across diverse industries, including healthcare, law, education, energy, and infrastructure. Its strategy is to back exceptional individuals—engineers, designers, researchers, and product builders—who are pushing the boundaries of applied AI to create a profound, positive global impact.
Deal activity increased 100% year-over-year (6 deals in the last 12 months). Average disclosed round size is $118.2M (across 21 rounds with reported amounts).
Portfolio
22
Fund Size
$175M
Top Stage
Seed
Last 12 Mo
6
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
22 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Adaptive Security | Series B | $81M | Dec 2025 |
 Valthos | Seed | $30M | Oct 2025 |
| Adaptive Security | Series A | $55M | Sep 2025 |
 Ambience Healthcare | Series C | $243M | Jul 2025 |
 Harvey AI | Series E | $300M | Jun 2025 |
| Adaptive Security | Series A | $43M | Apr 2025 |
 Speak | Series C | $78M | Dec 2024 |
 Unify | Series A | $12M | Oct 2024 |
 Heeyo | Seed | $3.5M | Aug 2024 |
 Figure AI | Series B | $675M | Feb 2024 |
 Figure | Series B | $675M | Feb 2024 |
| Ambience Healthcare | Series B | $70M | Feb 2024 |
 Anysphere | Seed | $8M | Oct 2023 |
 1X | Series A | $23.5M | Jan 2023 |
 Harvey | Seed | $5M | Nov 2022 |
| Speak | Series B | $27M | Nov 2022 |
 Descript | Series C | $50M | Nov 2022 |
 Mem | Series B | $23.5M | Nov 2022 |
 Atomic Semi | Seed | $15M | — |
 Cursor | Series A | $60M | — |
| Anysphere | Seed | — | — |
| GGhost Autonomy | Series A | $5M | — |
Top Co-Investors
Andreessen Horowitz6 shared
Kleiner Perkins3 shared
Abstract Ventures3 shared
Thrive Capital2 shared
Optum Ventures2 shared
M12 (Microsoft)2 shared
Bezos Expeditions2 shared
Parkway Venture Capital2 shared
Intel Capital2 shared
ARK Invest2 shared
Founders Fund2 shared
Paradigm1 shared
GitHub1 shared
GV (Google Ventures)1 shared
Oak HC/FT1 shared
Nvidia Corp.1 shared
Tiger Global Management1 shared
Eniac Ventures1 shared
Crossbeam Venture Partners1 shared
K5 Global1 shared
Last updated: 13 March 2026