Chai Discovery
CD
Chai Discovery builds AI software for life science research. The product lets teams search scientific literature and generate citation-linked summaries and drafts. It is designed for R&D and adjacent regulatory documentation.
Founded by Joshua Meier (Co-Founder & CEO), Jack Dent (Co-Founder), Matthew McPartlon (Co-Founder (research lead)), Jacques Boitreaud (Co-Founder (applied science lead))
Blended valuation$3.8B$4.3B secondary
Valuation history
Weekly blended valuation with priced funding rounds marked on the timeline.
$4.1B
blended valuationfunding round
Aug 18, 2025$284.9MOct 5, 2026
All rounds
4 funding rounds, newest first.
| Round | Announced | Raised | Post-money |
|---|---|---|---|
| Series C | Jul 14, 2026 | $400M | $3.8B |
| Series B | Dec 15, 2025 | $130M | $1.3B |
| Series A | Aug 6, 2025 | $70M | $550M |
| Seed | Sep 9, 2024 | $30M | $150M |
Investors
28 investors across all rounds.
- OPOpenAI
- GCGeneral Catalyst
- MVMenlo Ventures
- IVIndex Ventures
- TCThrive Capital
- OHOak HC/FT
- DCDimension Capital
- GBGlade Brook Capital Partners
- LGLachy Groom
- AVAvenir
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Secondary market activity
Recent buy and sell interest for Chai Discovery shares on the secondary market.
| Kind | Implied valuation | Price / share | Date |
|---|---|---|---|
| $4.3B | $200.20 | Jul 24, 2026 | |
| $4.4B | $205.20 | Jul 17, 2026 |
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Data as of Oct 16, 2026. Valuations are estimates blended from primary and secondary-market signals — not investment advice.