MoneyThe story, in brief

Chai Discovery nabs $400M Series C as AI-designed antibodies reach Big Pharma

$400M. That's what Chai Discovery just raised—and it signals Big Pharma is finally betting serious capital on AI-designed drugs.

Paper-cut illustration of amber paths carrying capital toward a small coral research venture between larger buildings.
Capital and the next generation of AI ventures.AI illustration by KeyNews
The KeyNews take

Why it matters

Chai Discovery's $400M Series C (tripling valuation to $3.8B) validates AI-driven drug discovery as a category with real commercial traction. This isn't just a funding win—it's proof that AI models predicting molecular interactions are moving from research labs into pharma production pipelines.

The key facts

6 to know
  1. $400M Series C funding raised

  2. Valuation tripled to $3.8 billion

  3. Led by Index Ventures with Kleiner Perkins, Sequoia Capital, Dimension

  4. New investors include Bain Capital

  5. Focus: AI models for predicting biochemical molecule interactions

  6. AI-designed antibodies now reaching Big Pharma deployment

Go to the source

SiliconAnglesiliconangle.com

Publisher excerpt: Chai Discovery Inc., a company that develops artificial intelligence models to predict interactions between biochemical molecules, today announced it has raised $400 million in new funding, nearly tripling its valuation to $3.8 billion. Index Ventures led the Series C round alongside Kleiner…
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