PRIVATE · San Francisco, California

Harvey AI

Incubated in absolute secrecy by OpenAI, it weaponized LLMs to crack the historically untouchable, billable-hour fortresses of elite global law firms.

Founded 2022

By Winston Weinberg, Gabriel Pereyra

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2022

The OpenAI Startup Fund secret alliance room

Harvey was founded by former securities litigator Winston Weinberg and AI researcher Gabriel Pereyra, who realized that large language models could disrupt corporate law. Operating out of stealth mode, the duo secured a highly exclusive, early investment from the $100 million OpenAI Startup Fund, gaining raw API access to unreleased GPT models. This structural advantage allowed them to secretly fine-tune custom foundational layers using thousands of pages of highly confidential, multi-jurisdictional legal precedents before any competitor entered the market.

2023

The historic Allen & Overy boardroom breach

In February 2023, Harvey shattered the traditional legal tech paradigm by officially deploying its platform across the elite Magic Circle firm Allen & Overy for over 3,500 lawyers. This marked the first time in modern legal history that a global corporate law conglomerate formally institutionalized generative AI to automate complex contract drafts, regulatory due diligence, and deep structural case analysis. The rollout sent shockwaves through the legal industry, forcing rival firms to urgently evaluate their traditional human billing models.

2024

The massive $100 million Series C cash war chest

By mid-2024, Harvey secured a staggering $100 million Series C funding round led by Google Ventures (GV), catapulting the legal tech startup's corporate valuation to an eye-watering $1.5 billion. Elite venture capital firms like Lightspeed Venture Partners and Kleiner Perkins aggressively backed the round, providing Harvey with the capital required to build proprietary data pipelines. The cash influx allowed the company to hire premium data-engineering talent, aiming to expand its corporate footprint directly into the legal divisions of Fortune 500 corporations.

2026

The $100 million annual run rate and sovereign cloud scale

By mid-2026, Harvey AI scaled its annualized recurring revenue past a highly impressive $100 million, deeply embedding its specialized legal workflows into hundreds of elite corporate law firms worldwide. Under the aggressive operational leadership of founders Winston Weinberg and Gabriel Pereyra, the firm successfully launched highly secure, custom-sovereign cloud clusters to address the strict data privacy mandates of European corporate clients. Despite early industry skepticism regarding LLM hallucinations in court documents, the software successfully captured massive market share.

Frequently Asked Questions

Who founded Harvey AI?

Harvey AI was founded by Winston Weinberg, Gabriel Pereyra.

When was Harvey AI founded?

Harvey AI was founded in 2022.

Where was Harvey AI founded?

Harvey AI was headquartered in San Francisco, California.

Why was Harvey AI created?

What does Harvey AI do?

Incubated in absolute secrecy by OpenAI, it weaponized LLMs to crack the historically untouchable, billable-hour fortresses of elite global law firms. Harvey AI weaponized custom OpenAI models to disrupt elite global law firms, securing a $1.5B valuation and transforming corporate law. Read the Harvey story.

How did Harvey AI grow?

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