Grok Code Fast is Going Paid: How to Get an Entire Month of Credits for Free
The popular xAI model is a powerhouse of speed and flexibility
This Friday, xAI is ending the free period for Grok Code Fast 1. This marks the longest time that a free, production-ready AI model has been available at no cost in the history of AI coding. Join us live today to dive into the details.
People loved Grok. It’s been the most popular model in Kilo for several months now, with over 700B tokens used every month since the free launch back in August.
In fact, most users say that they’ll keep using it. We surveyed 1,282 people about how Grok Code Fast helped them. Of those respondents, 71% said they will continue using the model once it becomes paid.
Kilo Code has been the largest “user” of Grok Code Fast 1 on OpenRouter.
The usage has been high and consistent, with the model actively used for planning, coding and debugging.
Users have built incredible things with Grok Code Fast 1 and other xAI models in Kilo, and we want that to continue. For this reason, we’re excited to offer you a special deal.
Don’t panic! We’ve got a special deal for you
Take advantage of our extra Kilo Pass offer this week to get up to $199 in free credits.
Here’s how it works:
Kilo Pass is a subscription that rewards sustained usage. To help you take advantage of the changing model landscape, we have a special offer to help you unlock even more free tokens.
We’re DOUBLING the 50% first-month bonus, so if you upgrade by Monday you get an extra month of the 50% credits bonus (typically reserved only for the first month).
That’s up to $199 in free credits.
This special offer is valid until 11:59pm EST on Monday, January 26th. You can go for the full double-first-month bonus, or you always have the option to just get the $20 first top-up bonus – top up $10 of credits and we’ll add $20 on top of it, instantly.
Will this power your coding with Grok? Let’s get into more details.
How far does $30 go with Grok Code Fast 1?
When it comes to credits and tokens, things can get a bit confusing.
Grok Code Fast 1 is officially priced at:
$0.20 per million input tokens
$1.50 per million output tokens
$0.02 per million cached input tokens
This will be the price for Kilo users starting Friday.
However, that does not tell you the complete picture. It’s actually a better deal than you might think. When you use an AI coding model with Kilo, you’re:
Using way more input tokens than output tokens (often 70%+ of your usage are input tokens)
You utilize caching heavily because the system prompt repeats a lot.
To give you a better idea of how far $30 will go with Grok Code Fast 1, we’ve analyzed a sample of 7 million Grok Code Fast 1 requests across our LLM gateway. We found that, on average:
The cost per million tokens spent is $0.08
The cost per request is $0.0064
So what does $30 buy you taking these figures into consideration?
~375 million tokens
~4,700 requests at typical usage
That’s weeks (if not months) of coding agent usage, all for $10.
So, imagine what you can get for $199!
Grok Code Fast 1 Set a New Standard
After Grok Code Fast 1, a number of frontier labs started providing cheaper access to more specialized coding models, like Gemini Flash.
And yet developers remain devoted to Code Fast for a reason — it set a new standard.
xAI has been a leader in innovation, and part of what set them apart was the focus on speed. When we recently tested three free models on Kilo’s AI code reviews, Grok was the fastest.
We believe this trend will continue and accelerate. It’s not just about free vs paid, or even OSS vs SOTA models. It’s about finding the right tools for your daily workflows.
Join over a million Kilo Coders and experience model freedom with Kilo.
Join us live and win free credits!
To discuss these Grok changes and our approach to model freedom at Kilo, we’re also doing an entire week of live webinars. And we’ll be giving away Kilo Credits (and some surprise merch…) to attendees at every one.
Live webinars this week:
Emergency Broadcast — Tue Jan 20, 2pm EST / 8pm CET
Emergency Broadcast — Wed Jan 21, 12pm EST / 6pm CET
Sonnet vs. Opus (live with Anthropic) — Thu Jan 22, 12pm EST / 6pm CET
The Kilo Show, Live! — Fri Jan 23, 12pm EST / 6pm CET
Sign up with the links above. See you there!