Set up API keys
Obtain an OpenAI key and register it within the add-in settings to benefit from your own rate limits, or from cost savings if you're on self-service pricing. You can also set up Anthropic API keys to benefit from the corresponding models.
Set up your OpenAI key
Activate GPT for Word with a one-time setup using your OpenAI API key.
Set up your Anthropic key
Set up an Anthropic API key to use Claude models in GPT for Word.