Scaling Legal AI and Building Next-Generation Law Firms with Harvey Co-Founder and President Gabe Pereyra artwork

Scaling Legal AI and Building Next-Generation Law Firms with Harvey Co-Founder and President Gabe Pereyra

No Priors: Artificial Intelligence | Technology | Startups

December 5, 2025

In just over three years, Harvey has not only scaled to nearly one thousand customers, including Walmart, PwC, and other giants of the Fortune 500, but fundamentally transformed how legal work is delivered.
Speakers: Sarah Guo, Elad Gil, Gabe Pereyra
**Sarah Guo** (0:05)
Gabe, thanks for doing this. Of course.

**Elad Gil** (0:08)
Yeah, thanks for coming.

**Sarah Guo** (0:09)
Maybe we can just start with, for anyone who hasn't heard of Harvey, what is the company? Can you talk about the scale and who you serve today?

**Gabe Pereyra** (0:16)
At Harvey, we're building AI for law firms and large in-house teams. We're almost at 1,000 customers, 500 employees. Started about just over three and a half years ago, and so we've been scaling quickly since then, and you guys were some of our bogey seed investors, so yeah, good to be here.

**Sarah Guo** (0:36)
Maybe from a most basic perspective on the product, why is it not just Copilot or Tech BT or Claude?

**Gabe Pereyra** (0:43)
Yeah, I think that's how the product started. So when we first raised from OpenAI, we got access to GPT-4, and I think GPT-3 to GPT-4 was such a big model jump that the intuition at the time was just give the model to lawyers and have them play with it. And I think that industry was so text heavy that you got so much value from just interacting with the models. And then I think as soon as you gave it to lawyers, you also ran into all of the sharp edges of the models of they hallucinate, they're not connected to a bunch of our context. And so I would say the past, the kind of first two years of the company were, how do we build essentially the IDE for lawyers around these models that connect it to all of the context you need to be productive as an individual lawyer? But I would say in the past year and going forward, the big problem we're solving is not how do you make individual lawyers more productive? It's how do you make a team of lawyers working on a client matter more productive? And more importantly, how do you make an entire law firm working on thousands of these client matters more productive and more profitable? And so I think when you get to that scale, a lot of the problems we're solving are not just model intelligence problems, they are these orchestration, governance, and kind of all of the enterprise product problems that you run into at scale.

**Elad Gil** (2:03)
You've also been broadening from just law firms into enterprises, into big companies using you in concert with both their in-house legal teams and external counsel. Can you talk more about that and how that's been evolving as well?

**Gabe Pereyra** (2:14)
Yeah, so we started selling to the largest law firms, and something that started happening about a year and a half ago was these law firms started showing Harvey to their clients, and their clients both wanted to collaborate more effectively with their law firms, and they also wanted to use this directly in their in-house department. So we recently announced we signed Walmart. We're working with AT&T, a bunch of these Fortune 500 large private equity firms, Global 2000, kind of the largest consumers of legal services. And what we're starting to build is a platform for the in-house teams to do the work that they do internally. So things like contracting and this long tail of all of the legal operations you need to do that you typically don't send out to law firms, but also the collaborative tissue of I'm working on a large transaction, a litigation, I need outside expertise, I want to securely share this data with my law firm. And there's a lot of technical problems there around security data privacy that we want to solve so these law firms and their clients can collaborate effectively.

**Sarah Guo** (3:21)
I think for, you know, we have a largely technical audience, but also most people don't know exactly what legal workflow looks like. Yeah. I think before we really start working together, I imagine it is just like, well, what do you mean? I like email my lawyer and he thinks about it and reads a document and then sends something back. Right. And there's like redlining involved somewhere. Maybe there's negotiation.

**Gabe Pereyra** (3:43)
Yeah.

**Sarah Guo** (3:44)
Can you paint a picture of just what workflow means to you guys?

**Gabe Pereyra** (3:48)
Yeah. And I think a lot of people, when they think about legal, they think of consumer legal. And so I have a lease and I need to get input on that. That's completely different than what these massive law firms are doing. And so I think a really good example of what these firms are doing that, I mean, you guys will be familiar with, and I think a lot of people in the startup space will be familiar with, is what law firms do for venture capital firms or private equity firms.

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