You can get started quickly like this:

```
$ pip install aider-chat

# Change directory into a git repo
$ cd /to/your/git/repo

# Work with Claude 3.5 Sonnet on your repo
$ export ANTHROPIC_API_KEY=your-key-goes-here
$ aider

# Work with GPT-4o on your repo
$ export OPENAI_API_KEY=your-key-goes-here
$ aider 
```