xAI (Grok)

The xAI plugin provides access to Grok models.

Installation

<dependency>
    <groupId>com.google.genkit</groupId>
    <artifactId>genkit-plugin-xai</artifactId>
    <version>1.0.0-SNAPSHOT</version>
</dependency>

Configuration

export XAI_API_KEY=your-api-key

Usage

import com.google.genkit.plugins.xai.XAIPlugin;

Genkit genkit = Genkit.builder()
    .plugin(XAIPlugin.create())
    .build();

ModelResponse response = genkit.generate(
    GenerateOptions.builder()
        .model("xai/grok-4.3")
        .prompt("Tell me about AI")
        .build());

Available models

Model	Context Window
xai/grok-4.3	Up to 2M tokens
xai/grok-4.20-0309-reasoning	Up to 2M tokens
xai/grok-4.20-0309-non-reasoning	Up to 2M tokens
xai/grok-4.20-multi-agent-0309	Up to 2M tokens
xai/grok-build-0.1	256K tokens (agentic coding)

Features

• Text generation, streaming, tool calling, RAG

Sample

See the xai sample.