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# How to Use Mistral Large 4: API, OpenRouter, and Setup

If you are searching for **how to use Mistral Large 4**, the quickest route is Mistral Studio: create an API key, select the model ID

If you are searching for **how to use Mistral Large 4**, the quickest route is Mistral Studio: create an API key, select the model ID
mistral-large-4, and send a chat completion request. You can also call it through OpenRouter with the provider ID mistralai/mistral-large-4-0. Mistral Large 4 entered public preview on **October 6, 2026**. Its downloadable weights are a separate release and are not required to use the hosted API.