AffinityAI is an AI protein design company turning binder discovery from trial-and-error into deliberate design.

Generating a sequence that binds to a target is no longer the hard part. Designing a binder that is specific, functional, and developable, against the targets conventional discovery struggles to reach, is. That gap is where we work.

Our platform, Apex, designs binders to a defined epitope and validates them experimentally, delivering candidates with a clear picture of where and how they engage their target, across modalities including miniprotein Designerbodies, nanobodies, and peptides. From a single difficult target to a full design campaign, we help partners in pharma, biotech, diagnostics, and research move faster, and with more confidence in what they get back.

Founded by scientists behind landmark protein design research in Nature and Science, and grown out of one of the world's leading protein design laboratories.

AffinityAI

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AffinityAI

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