OpenCode vs Windsurf: Side-by-Side Comparison 2026

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

OpenCode is a CLI-based coding agent from SST — open-source terminal ai coding agent. Windsurf is an AI IDE from Cognition — the agentic ai ide.

OpenCode

Open-source terminal AI coding agent from SST. Free with BYOK, or use OpenCode Zen (pay-per-token) and Black (flat-rate subscription at $20/$100/$200/mo) for managed model access.

  • ✓ AI chat
  • ✓ Agentic mode
  • ✓ Multi-file editing
  • ✓ Terminal commands
  • ✓ Test generation

Free · 2 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 OpenCode Windsurf
Category CLIAI IDE
Starting Price Free Free
Model Family Multi-model (any)Multi-model
Documentation — ✓
Git Integration — ✓
Open Source Yes (MIT)No

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

Share

Key Differences

  • Category: OpenCode is a CLI-based coding agent; Windsurf is an AI IDE.
  • Starting price: OpenCode starts at free / BYOK; Windsurf starts at $20/mo.
  • Model family: OpenCode uses Multi-model (any); Windsurf uses Multi-model.
  • Open source: OpenCode: Yes (MIT). Windsurf: No.
  • Provider: OpenCode is built by SST; Windsurf is built by Cognition.

Which Should You Choose?

Choose OpenCode if you want open-source terminal-based coding with model flexibility. Choose Windsurf if you want an agentic IDE with autonomous multi-step changes. Read our full reviews to see which fits your workflow.

Share