All Providers
9 Models
2 Families
1M Max Context
$1–$2 Input Cost/MTok
$2–$6 Output Cost/MTok
Capabilities
Reasoning
Tool Calling
Attachments
Open Weights
Setup
Set the following environment variable to use xAI:
XAI_API_KEY Models (9)
| Model | Model ID | Input Cost | Output Cost | Context | Capabilities |
|---|---|---|---|---|---|
| Grok Build 0.1 grok-build | grok-build-0.1 | $1/MTok | $2/MTok | 256K | Reasoning Tools |
| Grok 4.20 (Reasoning) grok | grok-4.20-0309-reasoning | $1.25/MTok | $2.50/MTok | 1M | Reasoning Tools |
| Grok 4.3 grok | grok-4.3 | $1.25/MTok | $2.50/MTok | 1M | Reasoning Tools |
| Grok 4.20 (Non-Reasoning) grok | grok-4.20-0309-non-reasoning | $1.25/MTok | $2.50/MTok | 1M | Tools |
| Grok 4.20 Multi-Agent grok | grok-4.20-multi-agent-0309 | $1.25/MTok | $2.50/MTok | 1M | Reasoning |
| Grok 4.5 grok | grok-4.5 | $2/MTok | $6/MTok | 500K | Reasoning Tools |
| Grok Imagine Video grok | grok-imagine-video | —/MTok | —/MTok | 1.0K | |
| Grok Imagine Image Quality grok | grok-imagine-image-quality | —/MTok | —/MTok | 8K | |
| Grok Imagine Image grok | grok-imagine-image | —/MTok | —/MTok | 8K |