xAI

You’ll need a xAI API key.

First, install cecli:

python -m pip install cecli-dev

Then configure your API keys:

export XAI_API_KEY=<key> # Mac/Linux
setx   XAI_API_KEY <key> # Windows, restart shell after setx

Start working with cecli and xAI on your codebase:

# Change directory into your codebase
cd /to/your/project

# Grok 3
cecli --model xai/grok-3-beta

# Grok 3 fast (faster, more expensive)
cecli --model xai/grok-3-fast-beta

# Grok 3 Mini
cecli --model xai/grok-3-mini-beta

# Grok 3 Mini fast (faster, more expensive)
cecli --model xai/grok-3-mini-fast-beta

# List models available from xAI
cecli --list-models xai/

The Grok 3 Mini models support the --reasoning-effort flag. See the reasoning settings documentation for details. Example:

cecli --model xai/grok-3-mini-beta --reasoning-effort high