What Happens When You Build Software for Agents

影片總結

Vesta CEO Mike Yu says its mortgage platform can automate 75% of origination work, while PennyMac reported 25% lower operating costs.

On the a16z podcast, Kimberly Tan interviews Vesta co-founder and CEO Mike Yu about replacing mortgage lenders’ legacy loan-origination systems with a modern system of record and AI agents. Yu says outdated databases—with roughly 30,000 fields and single-writer limits—block automation, while Vesta’s structured platform can run agents in parallel. After founding Vesta in 2020, the team funded its first loan in December 2022; Yu estimates the product is now about 75% of the way toward automating possible back-office work, though lender trust and government access remain hurdles. PennyMac said it had cut operating costs by 25% before Vesta deployed its agents. Yu also argues long-term rates may stay high due to national debt, AI capital demand, and uncertainty, and says vertical SaaS can endure because regulated mortgage workflows demand specialized software and implementation support. He sees 30-year fixed mortgages as vital to the American middle class and says Vesta’s mission is to make them less costly to originate.

章節

1. 0:00From Jane Street to mortgages: Mike Yu joins digital-mortgage startup Blend
2. 3:31From Jane Street to mortgages: Mike's Blend role and the shift to online applications
3. 6:20From Jane Street to mortgages: Wells Fargo's 3,000 accessibility findings and meeting co-founder Devin
4. 10:15What Vesta actually does: replacing 45-day manual mortgage review with an AI-ready system
5. 14:06Why rip out the whole system of record: 30,000 flat-file fields block parallel mortgage automation
6. 18:41The case for structurally higher rates: Mike Yu cites national debt, AI CapEx, and volatility
7. 24:28Is the SaaS apocalypse real? Mike Yu argues vertical SaaS like Vesta can remain valuable
8. 30:42Becoming AI-native with Devin: Mike Yu brings rule-triggered agents into Vesta
9. 37:46Automation rates and PennyMac's 25%: Vesta estimates 75% progress, but VA access remains a hurdle
10. 41:17Why mortgages are so regulated: 30-year fixed loans bring major risk and oversight
11. 44:54Why mortgages are so regulated: monthly rule changes and automated underwriting
12. 47:04Why mortgages are so regulated: Vesta’s first loan and arduous integrations
13. 51:03Why mortgages are so regulated: partner skepticism, customer risk, and hidden know-how
14. 53:10Why Vesta survives AGI: lender transformation and slow enterprise adoption
15. 56:46Why Vesta survives AGI: mortgage impact, meaningful ownership, and a 95-person remote team
16. 59:15Why Vesta survives AGI: 12x revenue growth, hiring, and the enduring craft of product

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