Grok Code Fast: xAI's Latest Model Lands in Cline (Free for a Week)

It's time to pull back the curtain on the stealth model that we released last week. Say hello to Grok Code Fast – or as you've known it, Sonic.
xAI's latest model is now officially available in Cline as grok-code-fast-1
, and we're keeping it free for the next week.

Grok Code Fast was built specifically for the kind of iterative, autonomous development that Cline enables. The model excels at understanding complex codebases and maintaining consistency across long development sessions. Whether you're refactoring a legacy system or building something new from scratch, Grok Code Fast keeps up with your thinking and maintains coherent understanding throughout.
How to Use Grok Code Fast in Cline
Getting started is straightforward. If you've been using the Sonic stealth model, you're already familiar with its capabilities. For everyone else, here's how to access it:
- Open your Cline settings
- Navigate to the model selection for the Cline provider
- Look for `xAI/grok-code-fast-1` your available models
- Select it and start coding
What Happens After the Free Period
Once the promotional period ends, Grok Code Fast will transition to xAI's standard pricing model. We'll give you plenty of notice before this happens, and if you're getting value from the model, the pricing is competitive with other options in the market.
Ready to try Grok Code Fast? Update Cline to the latest version and select grok-code-fast-1
from the Cline provider. Then share your experiences with the community on Reddit or Discord – we're particularly interested in hearing how it performs on your specific use cases.