Devin vs OpenCode: Side-by-Side Comparison 2026

Devin vs OpenCode 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.

Devin is an AI agent from Cognition — fully autonomous ai software engineer. OpenCode is a CLI-based coding agent from SST — open-source terminal ai coding agent.

Devin

Autonomous AI coding agent by Cognition. Handles full development tasks end-to-end. Cognition also owns Windsurf, integrating IDE and agent workflows.

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

$20/mo · 3 plans

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

Feature Devin OpenCode
Category AgentCLI
Starting Price $20/mo Free
Model Family ProprietaryMulti-model (any)
Documentation ✓ —
Git Integration ✓ —
Open Source NoYes (MIT)

Pricing verified May 4, 2026. Devin pricing | OpenCode pricing

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Key Differences

  • Category: Devin is an AI agent; OpenCode is a CLI-based coding agent.
  • Free tier: OpenCode has a free tier; Devin does not.
  • Starting price: Devin starts at $20/mo; OpenCode starts at $10/mo.
  • Model family: Devin uses Proprietary; OpenCode uses Multi-model (any).
  • Open source: Devin: No. OpenCode: Yes (MIT).
  • Bring your own key: OpenCode supports BYOK; Devin does not.
  • Platforms: Devin runs on Web; OpenCode runs on Linux, Windows, macOS.
  • Provider: Devin is built by Cognition; OpenCode is built by SST.

Which Should You Choose?

Choose Devin if you want fully autonomous engineering tasks with minimal supervision. Choose OpenCode if you want open-source terminal-based coding with model flexibility. Read our full reviews to see which fits your workflow.

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