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xAI models
xAI (Grok) is a family of advanced large language models developed by xAI, designed for high performance and efficiency.
Using the API
Use the Chat completion API to call xAI models. See the pricing page for details.xAI (Grok) models comparison
| Feature | Grok 3 Beta | Grok Beta |
|---|---|---|
| Description | Latest beta model | Stable model |
| Best for | Complex reasoning, creative tasks | General reasoning, analysis |
| Vision capability | No | No |
| Tool calls | No | No |
| Context window | 128K tokens | 128K tokens |
| Max output | 15K tokens | 15K tokens |
| Knowledge cutoff | Not disclosed | Not disclosed |
| API model key | x-ai/grok-3-beta | x-ai/grok-betaGrok-beta |
Notes
- Grok 3 Beta is the latest beta version, suitable for scenarios requiring the newest capabilities.
- Grok Beta is the stable version, recommended for production use.
- For more details, visit xAI Grok。