The New Application Layer - Malte Ubl, CTO Vercel

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Summary based on the YouTube transcript and episode description.

Vercel CTO Malte Ubl argues AI engineers at the application layer will capture the most value as model labs commoditize.

  • Over 60% of page views on vercel.com in the past 7 days were AI agents, not humans.
  • Vercel’s in-house support agent achieves 90% deflection rate; support team job satisfaction rose sharply after deployment.
  • Vercel’s sales-contact flow uses an agent to pre-qualify leads and research company size before routing to humans, replacing ~15 min of manual work per inquiry.
  • Most current agent harnesses have the wrong architecture by combining where the harness runs with where generated code runs; Anthropic’s new agent product separates them.
  • If model labs commoditize (Malte’s likely scenario), AI engineers and the application layer capture business value, not the labs.
  • Vercel’s AI SDK exceeds 10 million downloads per week and is led from Berlin; Pi coding agent is from Austria; Open Claw (OpenClaw) also European — Malte claims Europe leads AI engineering innovation.
  • The SaaS-vs-build calculus is shifting: more companies are building custom agents rather than buying SaaS, increasing demand for engineers despite AI-assisted speed gains.

2026-04-20 · Watch on YouTube

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