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Windsurf โ€” AI Code Editor by Codeium

Windsurf (formerly the flagship product of Codeium) is an AI-native code editor built as a VS Code fork, designed to feel fast and lightweight while giving the AI deep awareness of your entire project. Its standout feature is Cascade, a multi-file agentic editing mode.

Windsurf focuses on โ€œbeing in flowโ€ โ€” the AI feels like a junior developer sitting next to you who deeply understands your project, rather than a tool you have to prompt carefully.

Key differentiators:

  • Cascade โ€” the most context-aware multi-file agent (tracks every edit you make)
  • Supercomplete โ€” goes beyond line-by-line autocomplete; predicts entire edit sequences
  • Flow โ€” the AI understands the why behind your changes, not just the what
  • Fast โ€” known for low latency autocomplete

Cascade is Windsurfโ€™s multi-step AI agent. Unlike Cursorโ€™s Composer, Cascade:

  • Automatically detects what has changed in your codebase since the last interaction
  • Applies changes across multiple files while tracking context
  • Can run terminal commands (tests, build, linting) and react to output
  • Shows a continuous action log so you always see what itโ€™s doing

Windsurfโ€™s autocomplete predicts not just the next line but the next several edits based on your flow:

  • Learns from your recent edits (not just cursor position)
  • Suggests changes in other parts of the file that logically follow
  • Very low latency โ€” designed to not interrupt your typing flow

Chat is codebase-aware:

  • @file, @folder, @codebase references
  • Ask questions about any part of the project
  • Request changes that Cascade can then implement
ModeWhat It Does
ChatDiscuss, explain, plan โ€” no code changes
WriteCascade actively edits files, runs commands
  1. Download from windsurf.com
  2. Sign in โ€” free account available
  3. Import VS Code extensions/settings (one-click migration)
  4. Choose your model (Claude 3.7 or GPT-4o by default)
PlanPriceFeatures
Free$0Limited Cascade flows, Supercomplete, chat
Pro$15/monthMore flows, advanced models, priority
Teams$30/user/monthAdmin features, team billing
EnterpriseCustomOn-prem options, SSO, compliance
FeatureWindsurfCursorClaude Code
Agentic editingCascadeComposerFull terminal agent
Autocomplete qualitySupercomplete (excellent)Tab (excellent)N/A (CLI)
Context trackingContinuous (Cascade tracks changes)Snapshot-basedFile-system reads
Price$15/month$20/monthVia Claude Pro ($20)
UI styleClean, minimalFeature-richTerminal
Terminal commandsYes (Cascade)Yes (Agent mode)Yes (primary interface)

Windsurf offers an enterprise privacy mode where no code leaves your network. The default consumer product processes code through Windsurfโ€™s servers.