Aider
What it is: AI pair programming in your terminal. Chat with GPT-4 or Claude to edit code files. Git-integrated, codebase-aware.
What It Does Best
Terminal native. No IDE needed. Works with any editor. Type requests, Aider edits files and commits changes.
Git workflow integration. Automatic commits with descriptive messages. Easy to review, rollback, or modify AI changes.
Multi-file edits. Add files to context. Aider understands relationships. Refactors across your entire codebase.
Pricing
Aider: Free and open-source
API costs: Bring your own OpenAI or Anthropic API key
GPT-4: ~$0.03-0.06 per 1K tokens
When to Use It
✅ Prefer terminal workflow over GUI
✅ Want precise control over AI edits
✅ Need multi-file refactoring with AI
✅ Use editor without good AI plugins (Vim, Emacs)
When NOT to Use It
❌ Want everything in one IDE
❌ Uncomfortable with command line
❌ Prefer inline suggestions while typing
Bottom line: Power user's AI assistant. If you live in the terminal, Aider is your AI pair programmer. Git integration is killer feature.