Upstart CEO Paul Gu: AI Excels at Tasks Humans Find Challenging in Loan Underwriting
Upstart Holdings CEO Paul Gu articulated a perspective on artificial intelligence (AI) during the company’s fourth-quarter 2025 earnings call, asserting that AI’s strengths lie in automating tasks that are traditionally demanding for humans, particularly in the realm of loan underwriting. Gu stated that “humans have never really been very good at precisely underwriting loans and figuring out the cash flows they’re going to produce for the next 5 years,” framing it as a “big math problem.”
AI as Complement, Not Competitor, to Upstart’s Model
Upstart’s core underwriting models predate the current wave of large language models (LLMs). The company views AI not as a threat, but as a tool to enhance efficiency in areas where humans struggle. Gu explained that AI is “really good at replacing what humans are good at,” and underwriting, with its reliance on data and mathematical analysis, is not one of those areas.
Focusing AI on Operational Bottlenecks
Gu highlighted Home Equity Lines of Credit (HELOCs) as an example of a process ripe for AI-driven improvement. He described the traditional HELOC process – securing liens, verifying property records – as “a mess in a human way” and costly due to the manual verification required. These types of tasks, he believes, are “perfect problems to throw sort of LLM-style AI against.”
Leveraging AI for Scale and Efficiency
The advantage of LLMs, according to Gu, is their ability to scale and operate continuously. “You can spin up 100 of them in parallel and have them work,” he said, contrasting this with the limitations of human workforces. However, he reiterated that regardless of scale, “no matter how many humans you have, you don’t want that army of humans underwriting loans for you.”
Leadership Transition and Financial Performance
The earnings call also featured discussion of a planned leadership transition, with Paul Gu assuming the CEO role on May 1, 2026, and David Girouard transitioning to Executive Chairman, following a multi-year succession plan [1]. Upstart reported total revenue of $1.04 billion for the year, a 64% year-over-year increase [1]. Net income reached $19 million in the fourth quarter, a significant shift from a $2.8 million loss in the same quarter of the previous year [1].
Last modified: March 23, 2026
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