The facts, with sources.
| Provider type | official |
|---|---|
| Pricing model | Usage-based API pricing depends on the selected Grok model and applicable token or capability charges. |
| Markup notes | First-party published API pricing; not a resale markup. |
| OpenAI compatibility | partial xAI documents OpenAI SDK integration with an xAI base URL and API key; xAI-specific features and API behavior still require its own documentation. |
| Model support | The official xAI model documentation lists current Grok model identifiers, capabilities, and availability conditions. |
| Payment methods | Not verified |
| Supported regions | Not verified — check official availability documentation |
| Billing currencies | USD |
| Last reviewed | 2026-10-24 UTC |
Verified considerations
Documented advantages
- Direct access to xAI’s documented Grok model catalog.
- Official documentation describes OpenAI SDK integration.
Limitations to check
- Pricing and capabilities vary by model and feature.
- OpenAI SDK support does not make all xAI and OpenAI API features identical.
Official sources
- xAI API documentation
Checked 2026-10-24 UTC - xAI models
Checked 2026-10-24 UTC - xAI pricing
Checked 2026-10-24 UTC
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