Cline vs Windsurf
Both are developer-focused AI coding tools competing with Cursor, but from opposite ends. Cline is a free, open-source VS Code extension where you bring your own API key. Windsurf is a commercial AI IDE with everything bundled. Cline offers more flexibility; Windsurf offers more convenience.
Cline
Choose if: You want a free, open-source tool with the freedom to use any AI model and pay only for API usage.
Open-source AI coding assistant for VS Code
Windsurf
Choose if: You want a ready-to-go AI IDE with bundled models, predictable pricing, and no setup required.
AI-powered IDE for developers
Feature Comparison
| Feature | Cline | Windsurf |
|---|---|---|
| Price | Free (+ API costs)✓ | $15/mo |
| Open-source | Yes✓ | No |
| Setup | API key required | Ready out of box✓ |
| Model choice | Any provider✓ | Bundled |
| IDE | VS Code extension | Standalone IDE |
| Terminal integration | Yes (agentic) | Strong |
| Team plan | N/A (self-managed) | $30/mo✓ |
| Cost at heavy usage | Can be high (API) | Fixed $15-30✓ |
Pricing Comparison
Cline
| Free | $0 |
+ API costs for your chosen LLM provider (OpenAI, Anthropic, etc.)
Windsurf
| Free | $0 |
| Pro | $15/mo |
| Team | $30/mo |
Pricing last verified: 2026-03-13
Cline: Strengths & Limitations
Strengths
- +Completely free and open-source (Apache 2.0)
- +Works with any LLM provider — not locked to one model
- +Agentic coding: can create files, run terminal commands, and browse the web
- +Very active community and rapid development
Limitations
- -Requires your own API key — you manage and pay for LLM costs directly
- -Requires developer skills and VS Code familiarity
- -Setup more involved than commercial alternatives
- -Quality depends heavily on which LLM you connect
Windsurf: Strengths & Limitations
Strengths
- +Competitive pricing vs Cursor
- +Growing fast with frequent updates
- +Good multi-file context understanding
- +Strong terminal integration
Limitations
- -Smaller community than Cursor
- -Fewer extensions and integrations
- -Less mature product
- -Requires developer skills
Which One Should You Pick?
Cline is best for: Developers who want a free, open-source AI coding agent with full model flexibility.
Windsurf is best for: Developers looking for a more affordable AI IDE.
Last updated: 2026-03-13