Cline vs Aider: Open Source AI Code Assistants

Cline and Aider are both open source AI coding assistants that integrate with your terminal. They help write and refactor code using large language models.

Comparing two terminal-based AI coding tools that let you generate and edit code with natural language prompts. Both work directly in your CLI but have different approaches.

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The contenders

Each pick links through to its full Directories entry.

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cline

not yet in the index

Developers who want a simple, single-binary tool with minimal setup

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aider

not yet in the index

Teams needing Git integration and multi-file code generation

Side by side

Same criteria, three answers. The verdict is opinionated and lives below the table.

Criterion	cline	aider
Installation	Cline: Single binary download, no Python dependencies	Aider: Requires Python/pip installation
Git Integration	Cline: No built-in version control	Aider: Automatic Git commits for changes
Multi-file Editing	Cline: Focused on single-file operations	Aider: Supports cross-file references and edits
Model Support	Cline: OpenAI models only	Aider: Supports OpenAI and local LLMs via LiteLLM
Interface	Cline: Pure command-line with minimal UI	Aider: Chat-style interface with command history
Pricing	Cline: Free and open source	Aider: Free and open source

Verdict

Cline wins for simplicity

Aider wins for team workflows

Choose Cline for quick single-file edits, Aider for complex projects

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