---
title: xAI (Grok)
description: Use xAI Grok models with Nexus — vision and tool calling support.
---

xAI offers the Grok family of models with vision and tool-calling support. Uses an OpenAI-compatible API.

## Installation

```go
import "github.com/xraph/nexus/providers/xai"
```

## Quick Start

```go
provider := xai.New(os.Getenv("XAI_API_KEY"))

gw := nexus.New(
    nexus.WithProvider(provider),
)
```

## Options

| Option | Description |
|--------|-------------|
| `xai.WithBaseURL(url)` | Override the API base URL (default: `https://api.x.ai/v1`) |

## Capabilities

| Capability | Supported |
|-----------|-----------|
| Chat | Yes |
| Streaming | Yes |
| Embeddings | No |
| Vision | Yes |
| Tools | Yes |
| Thinking | No |

## Models

| Model | Context | Max Output | Input Price | Output Price |
|-------|---------|-----------|-------------|-------------|
| `grok-2` | 131K | 8,192 | $2.00/M | $10.00/M |
| `grok-2-mini` | 131K | 8,192 | $0.30/M | $0.50/M |