Grok Provider

Grok by xAI is a frontier AI model with strong reasoning and coding abilities, available through the xAI API.

Get an API Key

1. Go to console.x.ai
2. Create an account or sign in
3. Navigate to API Keys
4. Create a new key and copy it

Configure VibeCody

Option 1: Environment variable (recommended)

export GROK_API_KEY="xai-..."
vibecli --provider grok

Option 2: Config file (~/.vibecli/config.toml)

[grok]
enabled = true
api_key = "xai-..."
model = "grok-3-mini"

Model Selection

Default: grok-3-mini

Override from the CLI:

vibecli --provider grok --model grok-3-mini

Verify Connection

vibecli --provider grok -c "Write a Python function to check if a string is a palindrome"

Troubleshooting

Invalid API key

Error: 401 Unauthorized

• Verify the key starts with xai-
• Check that the key has not been revoked in console.x.ai
• Confirm the env var is set: echo $GROK_API_KEY

Rate limited

Error: 429 Too Many Requests

• xAI applies per-key rate limits
• Wait briefly and retry