# Cline vs Aider: which open-source AI coding agent wins in 2026?

**Source:** https://promtable.com/compare/cline-vs-aider

> Cline wins on VS Code integration, polished UI, MCP-native support, and plan-first transparency. Aider wins on terminal-native simplicity, repo-map auto-context, and broad git workflow support. Pick Cline for VS Code users, Aider for terminal-first power users.

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Cline wins on VS Code integration, polished UI, MCP-native support, and plan-first transparency. Aider wins on terminal-native simplicity, repo-map auto-context, and broad git workflow support. Pick Cline for VS Code users, Aider for terminal-first power users.

## At a glance

| Dimension | Cline | Aider |
|---|---|---|
| Form factor | VS Code extension | Terminal (Python CLI) |
| Plan-first transparency | **Required by default — see + approve plan** ✓ | Diff-first — shows diff before applying |
| Repo context | Mention-driven + manual files | **Repo-map auto-context (whole-repo awareness)** ✓ |
| MCP support | **First-class native** ✓ | Limited |
| Model support | Anthropic, OpenAI, Google, OpenRouter, local | Anthropic, OpenAI, OpenRouter, local, GitHub Copilot |
| Git integration | Stage / commit support | **Native git workflow (auto-commit, branches)** ✓ |
| Browser / web | **Yes (built-in)** ✓ | Limited |
| Pricing | Free OSS + BYO API | Free OSS + BYO API |
| Best for | VS Code users, plan-first agents, MCP integrations | Terminal users, git-heavy workflows, lightweight |

## Verdict

Cline is the right pick for VS Code users who want a polished agent with plan-first transparency, MCP-native tool support, and visual diff approval — open-source Cursor-alike. Aider is the right pick for terminal-first power users who want auto-repo-map context, native git workflow integration, and the smallest possible install. Both are fully open source and BYO API key; pick by form factor.

## When to pick which

- **Cline** — VS Code workflow, plan-first, MCP ecosystem, browser tool.
- **Aider** — Terminal-first, repo-map auto-context, native git workflow.

## FAQ

### Cline or Aider for VS Code?

Cline — purpose-built VS Code extension.

### Cline or Aider for terminal?

Aider — terminal-native, lightweight.

### MCP support?

Cline — first-class native MCP.

## Related

- [/compare/cline-vs-cursor](https://promtable.com/compare/cline-vs-cursor)
- [/compare/cursor-vs-claude-code](https://promtable.com/compare/cursor-vs-claude-code)
- [/compare/windsurf-vs-cline](https://promtable.com/compare/windsurf-vs-cline)
- [/alternatives/cline](https://promtable.com/alternatives/cline)
- [/alternatives/aider](https://promtable.com/alternatives/aider)

*Last updated: 2026-06-01*
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Original page: https://promtable.com/compare/cline-vs-aider
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