Aider vs Devin Desktop: Side-by-Side Comparison 2026
Aider vs Devin Desktop 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.
Aider is a CLI-based coding agent from Paul Gauthier (Open Source), ai pair programming in your terminal. Devin Desktop is an AI IDE from Cognition, the agentic ai ide, formerly windsurf.
Aider
Open-source CLI tool for AI pair programming. Works with OpenAI, Claude, and other models to edit code in your local git repo.
- ✓ Git-aware editing
- ✓ Multi-file editing
- ✓ Model agnostic
- ✓ Voice coding
- ✓ Image support
Free · 1 plan
Devin Desktop
Agentic AI IDE from Cognition, formerly Windsurf (renamed Devin Desktop in June 2026). Devin Local, a Rust rewrite of the Cascade agent, makes multi-file changes locally, and the Agent Command Center manages local and cloud Devin sessions from one surface. Also available as a plugin for VS Code and JetBrains.
- ✓ Cascade agentic AI
- ✓ Code completions
- ✓ Multi-file editing
- ✓ Terminal integration
- ✓ Codebase search
Free / $20/mo · 5 plans
| Feature | Aider | Devin Desktop |
|---|---|---|
| Category | CLI | AI IDE |
| Starting Price | Free | Free |
| Model Family | Multi-model (any) | Multi-model |
| Documentation | — | ✓ |
| Voice Input | ✓ | — |
| Git Integration | — | ✓ |
| Open Source | Yes (Apache 2.0) | No |
Pricing verified Jun 5, 2026. Aider pricing | Devin Desktop pricing
Key Differences
- Category: Aider is a CLI-based coding agent; Devin Desktop is an AI IDE.
- Starting price: Aider starts at free / BYOK; Devin Desktop starts at $20/mo.
- Model family: Aider uses Multi-model (any); Devin Desktop uses Multi-model.
- Open source: Aider: Yes (Apache 2.0). Devin Desktop: No.
Which Should You Choose?
Choose Aider if you want a fully open-source tool with transparent development. Choose Devin Desktop if you want an agentic IDE with autonomous multi-step changes. Read our full reviews to see which fits your workflow.