Why Open Source Wins the Agentic Era: Lessons from Cursor, Windsurf, and the Lock-In Trap

Published on 29.04.2026

AI & AGENTS

Why Open Source Will (Still) Win in the Age of Agents

TLDR: Cursor got acquired by SpaceX, Windsurf got picked apart by frontier labs, and the pattern is clear: closed AI harnesses are auditioning for the labs, not competing with them. If your business agents run on closed platforms, you're accumulating switching costs you haven't paid yet.

Why Open Source Will (Still) Win in the Age of Agents