Aider vs Cline: Side-by-Side Comparison 2026
Aider vs Cline 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. 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
Open-source AI agent for VS Code that plans, edits, and runs code with a focus on transparency. BYOK (Anthropic, OpenAI, OpenRouter, local models) or paid Cline Cloud with included credits.
- ✓ AI chat
- ✓ Agentic mode
- ✓ Multi-file editing
- ✓ Terminal commands
- ✓ Test generation
Free · 2 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 May 4, 2026. Aider pricing | Cline pricing
Key Differences
- Category: Aider is a CLI-based coding agent; Cline is an AI agent.
- 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.