Windsurf is the vendor that arrived at “AI-first editor” via a different starting point than Cursor: it began as Codeium, an extension layered on the editors developers already used, and then built a standalone editor with the Cascade agent at its centre. For most buyers in 2026, the relevant comparison is Windsurf vs. Cursor at the $20 Pro tier and the $40 Teams tier, where pricing structures are deliberately matched.
Two practical differences are worth weighing. First, Windsurf’s heritage as an extension means there is still a path for teams that aren’t ready to swap editors — the legacy Codeium extension for VS Code and JetBrains continues to ship and remains useful for organisations that want a Cascade-equivalent inside an existing setup. Second, Windsurf’s pricing page does not publish annual rates as of this writing; if a procurement workflow requires a documented annual line item, that’s a small but real friction worth raising with the sales team.
What the Cascade agent actually does differently
Cascade sits closer to “long-horizon implementation partner” than to “auto-complete with extra context.” A typical Cascade session takes a brief like “add Stripe webhook handling for subscription cancellations” and proceeds to read the relevant files, draft the implementation, run the test suite, iterate on failures, and surface a diff for review. The resulting workflow is intentionally slower than Cursor’s tab-completion-first approach, with the trade-off that the developer spends more time reviewing finished work and less time directing the model token-by-token. Teams that prefer the “draft then review” loop tend to settle on Windsurf even when the editor itself feels less polished than Cursor. Teams that want continuous tight feedback while typing tend to prefer Cursor’s tab model.
Where the migration story matters
The largest practical difference between Windsurf and Cursor is the path for an existing Codeium customer. Codeium’s extension predates both editors and has a substantial install base inside organisations that adopted it as a free Copilot alternative. Windsurf inherits that customer relationship and offers a documented upgrade path from extension to editor; Cursor’s pitch is a clean replacement. For a 50-developer team that already has Codeium licences and wants to evaluate the editor without renegotiating procurement, Windsurf is the lower-friction option even when feature parity favours Cursor on the day of comparison.