xAI API pricing
What the Grok models cost per million tokens, straight from xAI's own docs. Put your own usage in the boxes and the table works out the monthly bill.
4 priced models · updated 2026-09-05 12:15 UTC
What would this cost me?
One request, and how often you send it. We count words and turn them into tokens at the usual English rate.
Cheapest for that workload: Grok Build 0.1 at $1.36 a month.
| Model | Lab | Input | Output | Context | Your month |
|---|---|---|---|---|---|
| Grok Build 0.1xAI | xAI | $1.00 | $2.00 | 256K | $1.36 |
| Grok 4.3xAI | xAI | $1.25 | $2.50 | 1M | $1.70 |
| Grok 4.5xAI | xAI | $2.00 | $6.00 | 500K | $3.52 |
| Grok 4.6xAI | xAI | $2.00 | $6.00 | 500K | $3.52 |
The short version
Grok Build 0.1 is the cheapest xAI model you can pay for, at about $1.36 a month for steady daily use. Grok 4.6 does the same work for $3.52.
A Grok subscription on X is a flat fee. These are the API prices.
Everyone else
The full table puts xAI next to every other lab on one page, and the comparison tool takes any two models side by side.