Devin vs OpenCode: Side-by-Side Comparison 2026
Devin vs OpenCode comparison 2026. Side-by-side features, pricing & capabilities.
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 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
| Feature | Devin | OpenCode |
|---|---|---|
| Category | Agent | CLI |
| Starting Price | $20/mo | Free |
| Model Family | Proprietary | Multi-model (any) |
| Documentation | ✓ | — |
| Git Integration | ✓ | — |
| Open Source | No | Yes (MIT) |
Pricing verified Mar 20, 2026. Devin pricing | OpenCode pricing
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 free / BYOK.
- 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.