> ## Documentation Index
> Fetch the complete documentation index at: https://docs.praison.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# xAI Provider

> Use xAI Grok models with PraisonAI TypeScript

# xAI Provider

Use xAI's Grok models including Grok-4 and Grok-3.

## Environment Variables

```bash theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
export XAI_API_KEY=xai-...
```

## Supported Modalities

| Modality   | Supported |
| ---------- | --------- |
| Text/Chat  | ✅         |
| Embeddings | ❌         |
| Image      | ✅         |
| Tools      | ✅         |

## Quick Start

```typescript theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
import { Agent } from 'praisonai';

const agent = new Agent({
  name: 'Grok',
  instructions: 'You are a helpful assistant.',
  llm: 'xai/grok-3'
});

const response = await agent.chat('Hello!');
console.log(response);
```

## Available Models

| Model         | Description       |
| ------------- | ----------------- |
| `grok-4`      | Latest Grok model |
| `grok-3`      | Grok 3            |
| `grok-3-fast` | Fast variant      |
| `grok-3-mini` | Lightweight       |

## Troubleshooting

### Missing API Key

```bash theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
export XAI_API_KEY=xai-your-key
```

## Related

* [xAI CLI Usage](/docs/js/providers/xai-cli)
* [Providers Overview](/docs/js/providers)