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Harvey

Harvey is a generative-AI platform built for lawyers and legal teams that drafts, reviews, and researches legal documents across contracts, litigation, and regulatory work.

DirectAI applications
What it does

Harvey is a generative-AI platform built for lawyers and legal teams that drafts, reviews, and researches legal documents across contracts, litigation, and regulatory work.

Why it matters

Harvey is one of the highest-valued applied-AI startups in the legal industry, reaching a $15.6 billion valuation in a $550 million round in September 2026, which shows strong investor demand for AI tools built for a single professional vertical.

How it makes money

Harvey sells subscription access to its AI legal-work platform to law firms, corporate legal departments, and government agencies.

Geography

United States (San Francisco, California)

AI stack position

AI applications. Companies putting AI to work in real products across healthcare, finance, coding, legal, defense and more. This is where AI actually reaches everyday users and businesses.

Same-layer peers

Same-layer peers share an editorial stack classification; that alone does not establish direct competition.

Connections (5)

Every connection below is tied to a readable source, date, classification and statement of its limits. A company source establishes what that company stated; it does not necessarily provide independent confirmation.

Current relationships (5)

Harvey runs on Microsoft Azure AI infrastructure Microsoft
Uses technology fromCurrent
Microsoft has published a customer story describing Harvey's use of Azure AI infrastructure, and trade press reported a deepened Harvey-Microsoft relationship in July 2026.

Source: 2026-07-23 · reviewed 2026-09-20

Evidence: Secondary reporting (unconfirmed by primary parties) · Active cloud/technology partnership

Limits: Confirms a technology and customer relationship; does not establish exclusivity or the specific terms of any commercial agreement.

Harvey Deepens Microsoft Relationship ↗
Harvey builds legal AI workflows on OpenAI
Uses technology fromCurrent
OpenAI has published a customer case study describing Harvey as building and fine-tuning legal AI workflows on OpenAI's models, including its o1 reasoning model.

Source: Source undated · reviewed 2026-09-20

Evidence: Primary-source statement · Active technology-customer relationship

Limits: This is a vendor case study; it does not disclose exclusivity, the current share of Harvey's workloads running on OpenAI models, or contract value.

Customizing models for legal professionals ↗
OpenAI participated in Harvey's Series C funding round Harvey
Invested inCurrent
Harvey's own announcement states its Series C round included investment from OpenAI alongside Google Ventures, Kleiner Perkins, Sequoia Capital, Elad Gil, and SV Angel.

Source: Source undated · reviewed 2026-09-20

Evidence: Primary-source statement · Completed funding round

Limits: Confirms participation in a funding round; does not disclose investment amount, resulting ownership percentage, or board rights.

Harvey Raises Series C from Google Ventures, OpenAI, Kleiner Perkins, Sequoia Capital, Elad Gil, and SV Angel ↗
Google (Alphabet subsidiary) participated in Harvey's Series C round via Google Ventures Harvey
Invested inCurrent
Harvey's own announcement states its Series C round included investment from Google Ventures alongside OpenAI, Kleiner Perkins, Sequoia Capital, Elad Gil, and SV Angel.

Source: Source undated · reviewed 2026-09-20

Evidence: Primary-source statement · Completed funding round

Limits: Confirms participation in a funding round; does not disclose investment amount or resulting ownership percentage, and Google Ventures is a separate investing arm from Google's operating business.

Harvey Raises Series C from Google Ventures, OpenAI, Kleiner Perkins, Sequoia Capital, Elad Gil, and SV Angel ↗
Harvey builds its legal products on Claude models from Anthropic
Uses technology fromCurrent
Anthropic's customer page for Harvey states that Harvey deployed Claude across its Assistant, Vault and Workflows product surfaces using the Claude Platform API.

Source: Source undated · reviewed 2026-09-24

Evidence: Primary-source statement · Reported operating

Limits: An undated vendor case study published by Anthropic, not by Harvey. It does not establish that Claude is Harvey's only or primary model, what Harvey pays, or that the arrangement is current.

Harvey Claude Platform (API) case study ↗

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Inclusion in this database is not an endorsement of a company or its securities. Nothing here is a recommendation to buy or sell anything, and none of it is individualized investment advice. See the disclosures. Data: AI Map v3.22, released .