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Chai Discovery secures $130M in Series B funding led by Oak HC/FT and General Catalyst to advance AI drug design.

PRIVATEDec 15, 2025

Amount Raised

$130 Million

Round Type

Series B

San FranciscoInformation TechnologyBiotechnologyHealth CareArtificial IntelligenceMachine Learning

Investors

OpenAIThrive CapitalMenlo VenturesOak Hc/FtGeneral Catalyst

Description

Chai Discovery, an AI drug-discovery company, has secured $130 million in funding to develop a cutting-edge computer-aided design suite for drug molecules. The Series B round was co-led by Oak HC/FT and General Catalyst, boosting the company’s valuation to $1.3 billion. This funding brings total funding to $225 million within just three months of its previous round. The company aims to deploy advanced AI in pharmaceuticals by 2026.

Quick answer

Chai Discovery raised $130 Million in a Series B round, dated December 15, 2025. Investors: OpenAI, Thrive Capital, Menlo Ventures, Oak Hc/Ft and General Catalyst. Chai Discovery is based in San Francisco, California, United States.

How much did Chai Discovery raise?
Chai Discovery raised $130 Million in a Series B round on December 15, 2025.
Who invested in Chai Discovery?
OpenAI, Thrive Capital, Menlo Ventures, Oak Hc/Ft and General Catalyst are named as investors in this round.
What does Chai Discovery do?
Chai Discovery is the developer of an AI-based molecular interactions platform designed for molecular structure prediction that performs state-of-the-art across tasks relevant to drug discovery.
Where is Chai Discovery based and how big is it?
Chai Discovery is based in San Francisco, California, United States. Fundz records about 36 employees.
Who are the decision-makers at Chai Discovery?
Fundz holds 1 contact at Chai Discovery. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Biotechnology and Health Care around the same time

Companies in the same sectors as Chai Discovery that raised within 45 days of this round, from Fundz verified event records.

  • Uncovr raised $5.1M on December 11, 2025.
  • Healthplus.ai raised $2.7M (Seed) on November 29, 2025.
  • Medow Health raised $2.2M (Funding Round) on November 27, 2025.
  • Gosta Labs raised $8.7M (Seed) on November 27, 2025.
  • Synthio Labs raised $5M (Seed) on November 19, 2025.
  • Cursor raised $2.3B (Funding Round) on November 13, 2025.

Who to call at Chai Discovery, and when

A new round usually means Chai Discovery is about to hire and buy. The teams that reach out first get the meeting.

  • An alert the day Chai Discovery raises, hires an executive or expands, scored against what you sell
  • The decision-makers there, with verified emails
  • Who you already know at Chai Discovery, from your own LinkedIn network

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Company Information

Company

Chai Discovery

Location

San Francisco, California, United States

About

Chai Discovery is the developer of an AI-based molecular interactions platform designed for molecular structure prediction that performs state-of-the-art across tasks relevant to drug discovery. The company's platform operates models that can predict the structure of biochemical molecules and reprogram how they interact for developing new medications, enabling researchers to get unified predictions of proteins, small molecules, DNA, RNA, and covalent modifications.

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Fundz sees it the moment Chai Discovery raises, hires an exec or expands, usually minutes after it happens, and tells you who to reach.

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Funding Insights

What this usually means
Timeline to next round
Series B companies typically work for 15-20 months before raising new capital
Growth expectations
Series B companies are expected to scale rapidly and expand market reach

Chai Discovery raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

145 of these a day, filtered to the companies you pick, with the decision-maker attached.

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