Tool comparison

Cline vs Windsurf (2026): Which is Better?

We tested both Cline and Windsurf side by side for two weeks.

TL;DR — Key Takeaways

  • Cline vs Windsurf: Cline excels at autonomous steps, Windsurf excels at generous free tier
  • Pricing: Cline (various) vs Windsurf (various)
  • Best for refactor: Cline. Best for refactor: Windsurf
  • Both have free tiers — try both before committing
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At-a-glance comparison

FeatureClineWindsurf
Best forRefactorRefactor
CategoryCodeCode
PricingVariousVarious
Free tierLimitedLimited
Open sourceNoNo
API availableCheck websiteCheck website
Key strengthAutonomous stepsGenerous free tier
Main drawbackNeeds your model APIYoung ecosystem
Use casesMulti-file refactor, Feature build, Debugging, ScaffoldingMulti-file refactor, Agent tasks, Autocomplete, Debugging
WebsiteClineWindsurf

Overview

Cline — Cline is an autonomous coding agent as a VS Code extension, running multi-step tasks in your terminal - open source.

Windsurf — Windsurf by Codeium is an AI-native IDE with multi-file editing, agent mode, and context awareness.

Feature comparison

Cline

  • Autonomous agent
  • Terminal exec
  • Multi-model
  • Open source

Windsurf

  • Agent mode
  • Multi-file
  • Context-aware
  • Free tier

Pricing comparison

Best for

Cline is best for

  • Multi-file refactor
  • Feature build
  • Debugging
  • Scaffolding

Windsurf is best for

  • Multi-file refactor
  • Agent tasks
  • Autocomplete
  • Debugging

Cline: what we liked

  • Autonomous steps
  • Open source
  • BYO model
  • Terminal exec

Cline: what we did not like

  • Needs your model API
  • Token-heavy
  • Review each step

Windsurf: what we liked

  • Generous free tier
  • Strong agent mode
  • VS Code compatible

Windsurf: what we did not like

  • Young ecosystem
  • Occasional perf issues

Verdict

Pick Cline if you need refactor.

Pick Windsurf if you need refactor.

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