Biotech teams designing antibodies may want to sign up, but it's early access only with no published pricing.
Kenning's take
What it does
Chai-2 is a series of models from Chai Discovery for designing antibodies with no starting template. The company reports double-digit hit rates in lab tests, finding working binders for half of 52 targets with 20 or fewer designs each. Access is through an early-access sign-up.
- Zero-shot de novo antibody design
- Tested against 52 novel antigens
- Double-digit hit rates in Chai's lab tests
- Technical report published
Who it suits. Drug discovery researchers and biotech companies.
Key facts
- Category
- AI models
- Made by
- Chai Discovery
- Released
- 30 June 2025
- How to get it
- Early access sign-up only
- Works on
- Web
FAQ
When was Chai-2 announced?
Chai Discovery announced Chai-2 on 30 June 2025.
Can I use Chai-2?
Only by signing up for early access with Chai Discovery.
Facts from the maker's own pages and the sources listed. Checked 2026-10-11.
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