Lenny’s Podcast107 min
Building a magical AI code editor used by over 1 million developers in four months: The untold story of Windsurf
Varun Mohan · Apr 20, 2025
Key learnings
- Expect your first big bet to be wrong; stay irrationally optimistic about the vision while ruthlessly testing and discarding the…
- Be willing to pivot fully and quickly when hypotheses break, as Varun's team did when model architectures converged on…
- Build the interface where AI-generated code gets reviewed, not just where it gets typed; Windsurf's tripled acceptance rate after…