OpenCode vs Windsurf: Side-by-Side Comparison 2026

OpenCode vs Windsurf comparison for 2026. Features, pricing, AI capabilities, and editor support analyzed side by side to help you choose the right coding tool for your workflow.

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 Go ($10/mo for curated open-source models), Zen (pay-per-token), or Black (flat-rate subscription at $20/$100/$200/mo, currently paused) for managed model access.

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

Free / $10/mo · 4 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 May 4, 2026. OpenCode pricing | Windsurf pricing

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Key Differences

  • Category: OpenCode is a CLI-based coding agent; Windsurf is an AI IDE.
  • Starting price: OpenCode starts at $10/mo; 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.

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