Overview
Aider is a command-line AI programming assistant that supports collaborating with AI to write code directly in the terminal.
Configuration
Environment Variables
export OPENAI_API_KEY=sk-xxx
export OPENAI_API_BASE=https://crazyrouter.com/v1
Launch Aider
# Use GPT-4o
aider --model gpt-4o
# Use Claude
aider --model claude-sonnet-4-20250514
# Use Gemini
aider --model gemini-2.5-pro
Configuration File
Create ~/.aider.conf.yml:
openai-api-key: sk-xxx
openai-api-base: https://crazyrouter.com/v1
model: gpt-4o
Common Commands
# Add file to context
/add src/main.py
# Add as read-only
/read-only README.md
# Switch model
/model claude-sonnet-4-20250514
Aider has native support for Claude models. If using the Claude series, you can also set the ANTHROPIC_API_KEY and ANTHROPIC_API_BASE environment variables.
