Supermaven vs Windsurf: Side-by-Side Comparison 2026

Supermaven vs Windsurf comparison 2026. Side-by-side features, pricing & capabilities.

Supermaven is an editor extension from Supermaven (acquired by Cursor) — ultra-fast ai code completion (sunset). Windsurf is an AI IDE from Cognition — the agentic ai ide.

Supermaven

Supermaven was an ultra-fast AI code completion tool. Acquired by Anysphere (Cursor) in November 2024 and sunset in November 2025. Its technology now powers Cursor's Tab AI. Existing extensions still provide basic autocomplete but no new features or paid plans.

  • ✓ Code completions
  • ✓ AI chat
  • ✓ Adaptive learning
  • ✓ Low-latency suggestions

Free / $10/mo · 3 plans

Windsurf

AI-first IDE with Cascade — an agentic assistant that understands your codebase and makes multi-file changes. Now owned by Cognition (makers of Devin). Also available as Windsurf Plugin for VS Code and JetBrains.

  • ✓ Cascade agentic AI
  • ✓ Code completions
  • ✓ Multi-file editing
  • ✓ Terminal integration
  • ✓ Codebase search

Free / $20/mo · 5 plans

Feature Supermaven Windsurf
Category ExtensionAI IDE
Starting Price Free Free
Model Family GPT-basedMulti-model
Agentic Mode — ✓
Multi-File Editing — ✓
Terminal Commands — ✓
Test Generation — ✓
Debugging — ✓
Refactoring — ✓
Documentation — ✓
Git Integration — ✓
Open Source NoNo

Pricing verified Mar 20, 2026. Supermaven pricing | Windsurf pricing

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Key Differences

  • Category: Supermaven is an editor extension; Windsurf is an AI IDE.
  • Starting price: Supermaven starts at $10/mo; Windsurf starts at $20/mo.
  • Model family: Supermaven uses GPT-based; Windsurf uses Multi-model.
  • Agentic mode: Windsurf supports agentic mode; Supermaven does not.
  • Bring your own key: Windsurf supports BYOK; Supermaven does not.
  • Platforms: Supermaven runs on Desktop; Windsurf runs on Linux, Windows, macOS.
  • Provider: Supermaven is built by Supermaven (acquired by Cursor); Windsurf is built by Cognition.
  • Capabilities: Windsurf has multi-file editing; Windsurf has terminal commands; Windsurf has test generation; Windsurf has debugging.

Which Should You Choose?

Choose Supermaven if you want ultra-low-latency completions that adapt to your coding style. Choose Windsurf if you want an agentic IDE with autonomous multi-step changes. Read our full reviews to see which fits your workflow.

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