Harvey AI Legal Platform Reaches $11B Valuation

Harvey AI Legal Platform: How Lawyers Are Working Differently in 2026

Legal work has always been slow by design. Every contract review, every due diligence report, every research memo gets drafted by hand, checked again, and billed by the hour. That model hasn't changed in decades. Harvey is changing it now.

Founded in 2022 by Winston Weinberg, a former securities litigator, and Gabriel Pereyra, a former research scientist at Google DeepMind and Meta AI, Harvey is an AI legal platform built specifically for law firms and corporate legal teams. It handles document analysis, legal research, contract drafting, due diligence, and complex workflows, all within a secure enterprise environment that meets the compliance standards large firms require.

The platform is used by more than 100,000 lawyers across 1,300 organizations, including the majority of the AmLaw 100, 500-plus in-house legal teams, and 50 asset managers. Clients include Deutsche Telekom, HSBC, NBCUniversal, KKR, PwC UK, Comcast, and Procter & Gamble.

How Harvey's AI Legal Platform Handles Real Legal Work

Harvey doesn't work like a general AI assistant. The platform chains multiple large language models together through pre-configured agentic workflows, routing tasks to Anthropic Claude, Google Gemini, and OpenAI systems depending on what the work requires. Lawyers can also build their own task-specific agents through Agent Builder, a no-code tool launched in March 2026.

The system handles over 400,000 agentic queries per day, with more than 25,000 custom workflows built by users and over 445,000 reports generated through Deep Analysis. Weekly active users grew fourfold year over year. Monthly queries grew 5.5 times. Furthermore, Harvey deepened its legal content layer through a strategic alliance with LexisNexis, integrating statutes, case law, and citations directly into the platform. A Microsoft 365 Copilot integration is set to launch in Q2 2026, allowing lawyers to access Harvey without leaving their existing workflow.

The Growth Behind the AI Legal Platform

The business metrics are hard to ignore. Harvey crossed $100 million in annual recurring revenue in August 2025, roughly three years after founding. By January 2026, that figure had risen to $190 million. Revenue is seat-based, and internal data shows that median seat count doubles within 12 months of a firm's first deployment.

In March 2026, Harvey raised $200 million in new funding co-led by GIC and Sequoia Capital, valuing the company at $11 billion, with participation from Andreessen Horowitz, Coatue, Kleiner Perkins, and Conviction Partners. That round followed a $160 million raise at an $8 billion valuation in December 2025, and a $300 million Series E at $5 billion just six months before that. Total capital raised now exceeds $1.2 billion.

Pat Grady of Sequoia, who has now led three of Harvey's funding rounds, described the company as having written the playbook for what it means to be an AI-native application company in a specialized market.

Where the AI Legal Platform Is Heading

The next phase is agents that complete legal work end to end, not just assist with it. Legal work is undergoing a fundamental shift as high-volume and increasingly complex tasks move to AI agents that run workflows from start to finish, handling work that once required significant manual effort from multiple people.

Harvey CEO Winston Weinberg put the challenge plainly: the companies that succeed are the ones that keep adapting, because how you build a company is completely changing.