Chai Discovery
AI drug-discovery company building multimodal foundation models and computer-aided design tools for molecular structure prediction and de novo therapeutic design.
Key stats
- $630M
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- 8
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- 3
- 1
- Aug 20, 2026
- Corporate
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- —
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Recent releases
Aug 20, 2026Chai Discovery partners with Bristol Myers SquibbPartnership
Chai Discovery and Bristol Myers Squibb announced a collaboration on AI-driven antibody discovery.
Jul 15, 2026Chai Discovery partners with argenxPartnership
argenx gained early access to Chai's AI platform for de novo antibody discovery in immunology.
Jul 14, 2026Chai Discovery Series CFunding round
Chai Discovery raised a $400 million Series C led by Index Ventures.
Jul 13, 2026Chai Discovery partners with NovartisPartnership
Novartis gained access to Chai's AI design models and platform for therapeutic antibody discovery across multiple targets.
Jun 4, 2026Chai Discovery licenses platform to PfizerPartnership
Pfizer licensed Chai's platform, including Chai-3, for AI-assisted molecular discovery.
Jun 4, 2026Chai-3 enters pharmaceutical partner useModel release
Chai disclosed Chai-3 as its most advanced molecular-design model through a licensing collaboration with Pfizer.
Jan 9, 2026Chai Discovery partners with Eli LillyPartnership
Chai Discovery and Eli Lilly announced a collaboration to apply AI models to biologics discovery.
Dec 15, 2025Chai Discovery Series BFunding round
Chai Discovery raised a $130 million Series B from General Catalyst and Oak HC/FT.
Upcoming
Nothing scheduled.
AI valuation history
Models
| Model | Released | Open source |
|---|---|---|
| Chai-3 | Jun 2026 | — |
| Chai-2Family | Jun 2025 | — |
| Chai-1 | Sep 2024 | Yes |
Platforms & products
| Name | Type | Category | Launched | Status |
|---|---|---|---|---|
| Chai Molecular Design Platform | Platform | Drug Discovery | Sep 2024 | active |
Sources
- Aug 20, 2026 · Chai Discovery partners with Bristol Myers SquibbChai Discovery
- Jul 15, 2026 · Chai Discovery partners with argenxChai Discovery
- Jul 14, 2026 · Chai Discovery Series CChai Discovery
- Jul 13, 2026 · Chai Discovery partners with NovartisChai Discovery
- Jun 4, 2026 · Chai Discovery licenses platform to PfizerChai Discovery
- Jun 4, 2026 · Chai-3 enters pharmaceutical partner useChai Discovery
- Jan 9, 2026 · Chai Discovery partners with Eli LillyChai Discovery
- Dec 15, 2025 · Chai Discovery Series BChai Discovery
- Aug 6, 2025 · Chai Discovery Series AChai Discovery
- Jun 30, 2025 · Chai-2 achieves double-digit de novo antibody hit ratesChai Discovery
- Jun 30, 2025 · Chai-2 unveiledChai Discovery
- Sep 9, 2024 · Chai-1 reports state-of-the-art structure prediction resultsChai Discovery
- Sep 9, 2024 · Chai-1 weights and inference code releasedChai Discovery
- Sep 9, 2024 · Chai-1 releasedChai Discovery
- Sep 9, 2024 · Chai Discovery seed roundChai Discovery
* Market cap / valuation. Company values are AI-attributed: the latest market cap or valuation × the share attributed to AI (100% for pure AI companies). Methodology