Overview
Claude Dev is a VS Code AI coding extension suited for Claude-style code explanation, refactoring suggestions, and multi-turn collaboration through Crazyrouter. For public docs, prefer the OpenAI Compatible route first because it is more consistent with the rest of the Crazyrouter integration stack and easier to troubleshoot.
Recommended Configuration
Install Extension
Search for Claude Dev in the VS Code extension marketplace and install it.
Open Settings
Click the Claude Dev icon in the sidebar to enter settings.
Select Provider
Prefer OpenAI Compatible as the API provider.
Enter Configuration
- Base URL:
https://crazyrouter.com/v1
- API Key:
sk-xxx
- Model:
claude-sonnet-4-6
Recommended Models
| Scenario | Model |
|---|
| Daily coding | claude-sonnet-4-6 |
| Heavier reasoning and planning | claude-opus-4-6-thinking |
claude-sonnet-4-6 and claude-opus-4-6-thinking match the latest verified Claude model guidance in this doc set. For the smallest first-pass VS Code validation, start with claude-sonnet-4-6.