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The grok function configures Grok as your model provider. 
import { createAgent, grok } from "@inngest/agent-kit";

const agent = createAgent({
  name: "Code writer",
  system: "You are an expert TypeScript programmer.",
  model: grok({ model: "grok-4-latest" }),
});

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Configuration

The grok function accepts a model name string or a configuration object: 
const agent = createAgent({
  model: grok({
    model: "grok-4-latest",
    apiKey: process.env.XAI_API_KEY,
    baseUrl: "https://api.x.ai/v1",
    defaultParameters: { temperature: 0.5 },
  }),
});

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Options

​
model
string
required
ID of the model to use.See the xAI models list.
​
apiKey
string
The xAI API key to use for authenticating your request. By default we’ll search for and use the XAI_API_KEY environment variable.
​
baseUrl
string
default:"https://api.x.ai/v1"
The base URL for the xAI API.
​
defaultParameters
object
The default parameters to use for the model (ex: temperature, max_tokens, etc).

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Available Models

Gemini
"grok-2-1212"
"grok-2"
"grok-2-latest"
"grok-3"
"grok-3-latest"
"grok-4"
"grok-4-latest";
For the latest list of available models, see xAI’s Grok model overview.

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Limitations

Grok models do not currently support strict function parameters.