Aider vs Cline: Side-by-Side Comparison 2026
Aider vs Cline comparison 2026. Side-by-side features, pricing & capabilities.
Aider is a CLI-based coding agent from Paul Gauthier (Open Source) — ai pair programming in your terminal. Cline is an AI agent from Cline (Open Source) — open-source ai agent for vs code.
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
Cline
Cline — AI Coding Agent from Cline (Open Source). VS Code Agent.
- ✓ AI chat
- ✓ Agentic mode
- ✓ Multi-file editing
- ✓ Terminal commands
- ✓ Test generation
Free / $20/mo · 3 plans
| Feature | Aider | Cline |
|---|---|---|
| Category | CLI | Agent |
| Starting Price | Free | Free |
| Model Family | Multi-model (any) | Multi-model (any) |
| Documentation | — | ✓ |
| Voice Input | ✓ | — |
| Git Integration | — | ✓ |
| Open Source | Yes (Apache 2.0) | Yes (Apache 2.0) |
Pricing verified Mar 20, 2026. Aider pricing | Cline pricing
Key Differences
- Category: Aider is a CLI-based coding agent; Cline is an AI agent.
- Starting price: Aider starts at free / BYOK; Cline starts at $20/mo.
- Platforms: Aider runs on Linux, Windows, macOS; Cline runs on Desktop.
- Provider: Aider is built by Paul Gauthier (Open Source); Cline is built by Cline (Open Source).
- Capabilities: Aider has voice input.
Which Should You Choose?
Choose Aider if you want a fully open-source tool with transparent development. Choose Cline if you want autonomous coding with full transparency into every action taken. Read our full reviews to see which fits your workflow.