2020s
Levie says Box is comfortable with customers using agents in ChatGPT or Harvey to work on data stored in Box.
“If you never logged into Box, but you used an agent to interact with that data inside of ChatGPT or Harvey or somewhere else, we're totally comfortable.”
Aaron Levie · How SaaS can survive the AI revolution, with Aaron Levie, 0:27:44
2026
swyx cites OpenEvidence for doctors, alongside Harvey for lawyers, as classic examples of vertical AI companies winning their fields.
“open evidence for doctors. These are the the classic examples of, uh, people that are winning their domains.”
swyx · AI for the Fortune 2000: How Tenex Builds an AI-Native SDLC — Alex Lieberman & CJ Hess, 0:26:05
Undated
Bret Taylor cites Harvey as an example of a persona-based AI agent company that serves a legal function.
“there's companies like Harvey that, you know, serve a legal function.”
Bret Taylor · Transforming Customer Service through Company Agents, with Sierra’s Bret Taylor, 0:02:18
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Bret Taylor points to Harvey as an AI startup focused on legal work.
“maybe you should talk to Harvey. That's a cool AI startup that's more narrowly focused on that.”
Bret Taylor · How agentic AI will save customer service, with Bret Taylor, 0:31:06
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Harvey, the legal AI company, was described by host Rana El Kaliouby as valued at $5 billion about three years after its launch.
“In just three years since their launch, Harvey is now valued at $5 billion and boasts a client roster of some of the biggest law firms out there.”
Rana el Kaliouby · How Harvey is reinventing legal work with AI, 0:03:15
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Harvey's co-founder Winston, then working at a large law firm and Gabe Pereyra's roommate, showed Pereyra his legal workflows, which led to the company's founding.
“my roommate and now co-founder Winston was working at a large law firm, and he showed me his legal tech, his legal workflows.”
Gabe Pereyra · How Harvey is reinventing legal work with AI, 0:04:17
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Pereyra says Harvey is used to help associates do their work, with output still reviewed by more senior lawyers, rather than to file documents directly.
“Harvey wasn't being used as, hey, go write this memo and file it directly. It was being used as help this associate do their work better, and then that still gets reviewed.”
Gabe Pereyra · How Harvey is reinventing legal work with AI, 0:07:02
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Harvey has begun partnering with legal data providers including Lexis and Wolters Kluwer to improve its systems and reduce errors.
“now, as we've gotten bigger, we've started partnering with Lexis, Wolters Kluwer, kind of data providers, working with these law firms to kind of improve these systems to avoid those challenges.”
Gabe Pereyra · How Harvey is reinventing legal work with AI, 0:07:38
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Pereyra says law firms are typically divided into transactional and litigation departments, and Harvey started by serving transactional work.
“So law firms are typically split into transactional and litigation departments.”
Gabe Pereyra · How Harvey is reinventing legal work with AI, 0:08:01
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Pereyra says law firms manage tens of thousands of client matters at a time, which is why Harvey is building ways to organize and query them.
“So law firms are managing tens of thousands of these matters at a time.”
Gabe Pereyra · How Harvey is reinventing legal work with AI, 0:08:55
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Harvey does not pre-train its own foundation models; it uses existing models and adds post-training plus retrieval and agent infrastructure for legal work.
“we don't pre-train models, and so we will use, you know, pre-trained models from the foundation or cloud providers. We do post-train and build kind of all the RAG and agent infrastructure”
Gabe Pereyra · How Harvey is reinventing legal work with AI, 0:14:57
Undated
In early testing, Harvey's founders had GPT-3.5 and GPT-4 answer questions taken from Reddit's r/legaladvice community.
“we went on r slash legal advice, which is like a Reddit subcommunity where people ask legal questions. And we just downloaded a bunch of those and had 3.5 and four answer these questions.”
Gabe Pereyra · How Harvey is reinventing legal work with AI, 0:16:04
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Pereyra says about 80 to 85% of lawyers shown the AI-generated answers said they would give them to a client without editing.
“And it was something like eighty, 85% said yes for a lot of these answers.”
Gabe Pereyra · How Harvey is reinventing legal work with AI, 0:16:35
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Pereyra says Harvey already has internal systems that automatically negotiate its own non-disclosure agreements.
“Like already internally, we have systems that automatically negotiate our NDAs.”
Gabe Pereyra · How Harvey is reinventing legal work with AI, 0:19:08
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Pereyra says fund formation, where investment firms set up and structure funds, is a major use case among private equity and financial services clients such as Bridgewater.
“One very big use case is fund formation.”
Gabe Pereyra · How Harvey is reinventing legal work with AI, 0:20:41
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Pereyra says much fund formation work is unprofitable for law firms and gets written off.
“there is a lot of work in fund formation that is not profitable for law firms.”
Gabe Pereyra · How Harvey is reinventing legal work with AI, 0:20:41
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Pereyra says PwC is ahead of many firms in rethinking how it provides services in the AI era.
“I think with PwC, we've talked with them a lot, and they're kind of, I think, ahead of the game in terms of thinking about, okay, how we need to provide services in this new way.”
Gabe Pereyra · How Harvey is reinventing legal work with AI, 0:21:26
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Harvey's sales team includes former associates and senior associates from top law firms who help map firms' workflows into the product.
“we also have a bunch of lawyers from top law firms that were associates, senior associates that help sell the product”
Gabe Pereyra · How Harvey is reinventing legal work with AI, 0:24:02
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Harvey tests for hallucinations using benchmarks and human evaluations by its internal team, contractors and clients.
“we have a bunch of benchmarks, we do a ton of human evaluations, so we have both our internal team, we use a ton of contractors, we work with our clients”
Gabe Pereyra · How Harvey is reinventing legal work with AI, 0:27:25
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Harvey uses its own instances and dedicated cloud capacity, potentially isolated per customer, to protect confidential legal data.
“we have our own instances, we have dedicated capacity. This is isolated, um, potentially for individual customers.”
Gabe Pereyra · How Harvey is reinventing legal work with AI, 0:28:29
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Harvey is partnering with several law schools to bring AI tools into their curricula; the host specifically mentioned Notre Dame.
“We're we're partnering with a bunch of a bunch of law schools”
Gabe Pereyra · How Harvey is reinventing legal work with AI, 0:32:26
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Pereyra predicts more law firms will adopt lower leverage ratios, with the number of associates closer to the number of partners.
“if you look at the top law firms, they have this like lower leverage ratio where probably you start seeing more law firms like that”
Gabe Pereyra · How Harvey is reinventing legal work with AI, 0:31:45
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The host says Harvey is expanding beyond legal work into tax and audit, an example of what she calls economies of scope.
“Harvey is a great example of that, expanding beyond legal work to do tax and audit.”
Rana el Kaliouby · How Harvey is reinventing legal work with AI, 0:35:14
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Pereyra said Harvey had nearly 1,000 customers and about 500 employees, and was founded just over three and a half years earlier.
“We're almost at one zero customers, 500 employees, started about just over three and a half years ago and so been kind of scaling quickly since then.”
Gabe Pereyra · Scaling Legal AI and Building Next-Generation Law Firms with Harvey Co-Founder and President Gabe Pereyra, 0:00:16
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Harvey gained access to GPT-4 when it first raised money from OpenAI.
“when we 1st raised from OpenAI, we got access to GPT four, and I think GPT three to GPT four was such a big model jump.”
Gabe Pereyra · Scaling Legal AI and Building Next-Generation Law Firms with Harvey Co-Founder and President Gabe Pereyra, 0:00:43
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Harvey announced it signed Walmart and is working with AT&T and other Fortune 500 companies and private equity firms.
“we've signed Walmart, we're working with ATT, a bunch of these Fortune 500 large private equity firms, Global 2000”
Gabe Pereyra · Scaling Legal AI and Building Next-Generation Law Firms with Harvey Co-Founder and President Gabe Pereyra, 0:02:14
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Gordon Moodie, a former partner at Wachtell, Lipton, Rosen & Katz, joined Harvey early and is now an advisor.
“Gordon Moody was a partner at Wachtell, which is one of the top transactional firms in the world that joined us early on and is now an advisor.”
Gabe Pereyra · Scaling Legal AI and Building Next-Generation Law Firms with Harvey Co-Founder and President Gabe Pereyra, 0:14:16
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Pereyra said Harvey's forward deployed engineering program resembles Sierra's agent engineering program rather than Palantir's model.
“I would say this is closer to, like, Sierra's agent engineering Um program.”
Gabe Pereyra · Scaling Legal AI and Building Next-Generation Law Firms with Harvey Co-Founder and President Gabe Pereyra, 0:20:12
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Harvey did some customization for very large customers such as PwC.
“for very large customers like PwC, we did some customization.”
Gabe Pereyra · Scaling Legal AI and Building Next-Generation Law Firms with Harvey Co-Founder and President Gabe Pereyra, 0:20:44
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Pereyra said some law firms now resell Harvey to their in-house clients and help implement workflows.
“They're starting to go and take Harvey and go to their clients and say, Hey, buy Harvey. And we'll help you build all the workflows and implement it.”
Gabe Pereyra · Scaling Legal AI and Building Next-Generation Law Firms with Harvey Co-Founder and President Gabe Pereyra, 0:23:13
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Harvey's first customer was reached through an introduction from an investor to an ex-partner, who introduced them to David Wakeling.
“Our 1st customer we actually met through. You intro'd us to an ex partner who's doing business school here, and he intro'd us to David Wakeling”
Gabe Pereyra · Scaling Legal AI and Building Next-Generation Law Firms with Harvey Co-Founder and President Gabe Pereyra, 0:24:42
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While researching, Harvey's founders spoke with 30 people from Atrium, a tech-enabled law firm.
“we actually talked to 30 people from Atrium.”
Gabe Pereyra · Scaling Legal AI and Building Next-Generation Law Firms with Harvey Co-Founder and President Gabe Pereyra, 0:25:39
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Pereyra estimated legal services at about $1 trillion and professional services at roughly $3 to $5 trillion.
“the scope of this, like legal, is 1 trillion, professional services is something like three to 5 trillion.”
Gabe Pereyra · Scaling Legal AI and Building Next-Generation Law Firms with Harvey Co-Founder and President Gabe Pereyra, 0:28:55
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Pereyra said Harvey grew from him and Winston Weinberg in an Airbnb to 500 people in about three and a half years.
“Winston and I in an Airbnb to 500 people in like three and a half years.”
Gabe Pereyra · Scaling Legal AI and Building Next-Generation Law Firms with Harvey Co-Founder and President Gabe Pereyra, 0:30:24
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Elad Gil recalled that Harvey's demos worked on GPT-4 but not GPT-3.5.
“I remember, are you showing side by side, GPT three point, five versus four? And what you were doing worked on four, but not on 3.5.”
Elad Gil · Scaling Legal AI and Building Next-Generation Law Firms with Harvey Co-Founder and President Gabe Pereyra, 0:31:00
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Pereyra said Harvey's initial differentiating feature was uploading a document and acting on it, with accurate citations.
“the initial feature we built that none of the products had at the time was upload a document and do something with it, right?”
Gabe Pereyra · Scaling Legal AI and Building Next-Generation Law Firms with Harvey Co-Founder and President Gabe Pereyra, 0:36:17
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Harvey hired a site lead for its New York office to scale it up.
“We just hired a site lead for New York, so starting to scale up that office.”
Gabe Pereyra · Scaling Legal AI and Building Next-Generation Law Firms with Harvey Co-Founder and President Gabe Pereyra, 0:37:40
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Pereyra said he spent the decade before Harvey trying to start a company like it.
“I actually just spent the decade before Harvey trying to start a company like Harvey.”
Gabe Pereyra · Scaling Legal AI and Building Next-Generation Law Firms with Harvey Co-Founder and President Gabe Pereyra, 0:40:32
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Pereyra said law firms are about ten times larger than before computers and the internet.
“law firms have like ten times the size compared to before computers and the internet.”
Gabe Pereyra · Scaling Legal AI and Building Next-Generation Law Firms with Harvey Co-Founder and President Gabe Pereyra, 0:41:19