xAI’s Grok Code Fast 1, available free for production use since August, will move to a paid model starting Friday.
What’s changing and when
- Grok Code Fast 1 will become paid starting Friday.
- Official pricing (announced by xAI): $0.20 per million input tokens, $1.50 per million output tokens, and $0.02 per million cached input tokens.
Why Grok remains important
Grok Code Fast 1 has been heavily used for planning, coding, and debugging; Kilo reports over 700B tokens used monthly since the free launch. In a Kilo survey of 1,282 users, 71% indicated they planned to continue using Grok after it becomes paid.