Install Node.js (Skip if installed)
Ensure Node.js version ≥ 18.0- Windows
- macOS
- Ubuntu / Debian
Install Claude Code
Get Credentials
Configure Environment Variables
Dual Model Configuration (Recommended)
- Mac / Linux
- Windows CMD
- Windows PowerShell
Model Configuration
- Main Model (
ANTHROPIC_MODEL): Primary code generation and complex tasks - Haiku Model (
ANTHROPIC_DEFAULT_HAIKU_MODEL): Background tasks, quick responses
Single Model Configuration
Set both variables to the same model, or use/model haiku command after startup.