Aider

Aider is an AI pair programming tool that runs in your terminal, edits files directly, and automatically commits every change to git.

Key Features

• Git-first philosophy: Every AI edit becomes a git commit with a meaningful message
• Architect mode: Split reasoning (architect model) from editing (editor model) for complex tasks
• Multi-file refactors: Understands file relationships and updates all callers/imports
• 100+ languages: Python, JavaScript, Rust, Ruby, Go, C++, PHP, HTML, CSS, and more
• IDE integration: Works alongside VS Code, Vim, Emacs, or any editor
• Images & web pages: Add visual context to conversations
• Voice-to-code: Speak requests and let Aider implement them
• Linting & testing: Automatically lint and test after changes

Supported Models

• Claude 3.7/4 Sonnet, Claude Opus 4.x
• DeepSeek R1 & Chat V3
• OpenAI o1, o3-mini, GPT-4o
• Local models via Ollama, LM Studio

Usage

pip install aider-install
aider-install

cd /to/your/project

# Claude
aider --model sonnet --api-key anthropic=<key>

# DeepSeek
aider --model deepseek --api-key deepseek=<key>