Who is betting on what in AI, and against whom.
Chai Discovery
Molecular structure models; $3.8B after four rounds.
- HQ
- San Francisco
- Founded
- 2024
- Web
- chaidiscovery.com
- Camps
- Physics AI
What it does
Builds molecular-structure foundation models (Chai-1, Chai-2) and licenses them rather than running a drug pipeline. Went from a $30M seed in September 2024 to a $400M Series C at $3.8B in July 2026, four rounds in under two years.
Camp membership over time
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dates not recorded
Capital
| Amount | Kind | Valuation | Date | Investors | Source |
|---|---|---|---|---|---|
| $30M | seed | Sep 2024 | Thrive Capital, OpenAI, Dimension Capital | Bloomberg | |
| $70M | Series A | Aug 2025 | Menlo Ventures, DST Global, DCVC, Thrive Capital, OpenAI | SiliconANGLE | |
| $130M | Series B | Dec 2025 | Total raised about $230M across three rounds. | Owl Posting | |
| $400M | Series C | $3.80B post-money | Jul 2026 | The Next Web |
People
No people recorded at this lab yet.