xAI Grok API pricing
xAI API prices for all 12 Grok models, per million tokens. The cheapest is grok-build-0.1 at $1 input and $2 output; the most expensive is grok-4.7 at $2 input and $6 output.
Prices updated October 28, 2026
xAI model prices
| Model | Input / 1M | Cached input / 1M | Output / 1M | Typical request |
|---|---|---|---|---|
| grok-build-0.1 | $1 | $0.2 | $2 | $0.002 |
| grok-code-fast | $1 | $0.2 | $2 | $0.002 |
| grok-code-fast-1-0825 | $1 | $0.2 | $2 | $0.002 |
| grok-4.3 | $1.25 | $0.2 | $2.5 | $0.0025 |
| grok-4.20 | $1.25 | $0.2 | $2.5 | $0.0025 |
| grok-4.20-0309-non-reasoning | $1.25 | $0.2 | $2.5 | $0.0025 |
| grok-4.20-0309-reasoning | $1.25 | $0.2 | $2.5 | $0.0025 |
| grok-4.20-non-reasoning | $1.25 | $0.2 | $2.5 | $0.0025 |
| grok-4.20-reasoning | $1.25 | $0.2 | $2.5 | $0.0025 |
| grok-4.5 | $2 | $0.3 | $6 | $0.005 |
| grok-4.6 | $2 | $0.5 | $6 | $0.005 |
| grok-4.7 | $2 | $0.5 | $6 | $0.005 |
Sorted by the cost of a typical request of 1,000 input and 500 output tokens. Open a model for batch prices, context window and example costs.
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