You can get an API key from the xAI console

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How to Set Up xAI Chat Models

We recommend configuring grok-4 as your chat model. For information on other available models, visit xAI Documentation.
Add the xAI Grok 4 model block on the hub.

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How to Set Up xAI Autocomplete Models

xAI currently does not offer any autocomplete models. Click here to see a list of autocomplete model providers.

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How to Configure xAI Embeddings Models

xAI currently does not offer any embeddings models. Click here to see a list of embeddings model providers.

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How to Configure xAI Reranking Models

xAI currently does not offer any reranking models. Click here to see a list of reranking model providers.