Windsurf vs Cline: Our Own Cost Comparison Was Off by $5-10/Month (and the Direction Still Matters)

Windsurf and Cline solve the same problem — an AI agent that reads, plans, and edits your codebase — from opposite philosophies. Windsurf is a standalone, all-in-one editor with bundled AI pricing. Cline is a free, open-source VS Code extension that uses whatever model you point it at. We ran both daily for six months across a Next.js app, a Python pipeline, and a Go microservices backend.

The comparison held up. The pricing table underneath it didn't.

The number we'd been running the math on was stale

Windsurf (now Devin Desktop, after Cognition's acquisition) raised its Pro tier from $15/month to $20/month and Teams from $30 to $40/user/month back in July. Our comparison kept the old figures for months, which matters here more than in most pricing corrections, because this page builds an actual dollar comparison on top of the number:

"The real comparison is Windsurf at $15/month versus Cline + Copilot + API costs. For a developer spending $100/month on API tokens, the total Cline stack costs $110/month versus Windsurf's $15/month."

Rerun that with the real number: Windsurf Pro is $20/month, not $15. The Cline stack (API costs plus a $10/month autocomplete tool like Copilot) still comes out to roughly $110/month for a heavy user. Windsurf is still the cheaper package — the conclusion doesn't flip — but the gap is $90, not $95, and if you were sizing a 15-person team against the old Teams price, you were budgeting $30/seat/month for something that now costs $40.

Current numbers, for anyone actually comparing:

Windsurf (Devin Desktop): Free (daily quota) / Pro $20/month / Max $200/month / Teams $40/user/month / Enterprise custom.

Cline: Free and open-source. You pay only for the model API you choose — heavy use with a frontier model runs $80-200+/month, local models via Ollama are free. Pair it with a paid autocomplete extension and add that cost on top.

What actually differs between them, pricing aside

• Autocomplete: Windsurf ships its own; Cline has none and expects you to bring one (Copilot, Tabnine, or similar).
• Model choice: Cline lets you point at any provider, including local models — real flexibility, real cost control. Windsurf bundles a curated model set into the subscription, which is simpler but less flexible.
• Approval workflow: Cline asks before every file read, edit, or command by default — more friction, more transparency. Windsurf's Cascade agent is faster but its default approval settings are looser; we had a few runs where it touched files we didn't expect.
• Setup cost: Cline drops into your existing VS Code config with zero disruption. Windsurf is a separate editor you have to adopt — fine if you're starting fresh, a real switching cost if you're not.

If you want a complete, opinionated product with predictable billing, Windsurf is still the easier recommendation. If you want to control which model does the work and what it costs you, Cline remains the more flexible tool — just budget it against Windsurf's real $20/$40 numbers, not its old $15/$30 ones.

Full comparison and test details: https://devtoolsreview.com/comparisons/windsurf-vs-cline-2026/