How to connect Claude to Google Sheets
You can connect Claude to Google Sheets with the GPT for Sheets and Docs add-on:
Step 1: Install the GPT for Sheets and Docs add-on
Install from the marketplace: https://workspace.google.com/marketplace/app/gpt_for_sheets_and_docs/677318054654
Step 2: Launch GPT for Sheets and Docs
In a Google spreadsheet, go to Extensions > GPT for Sheets and Docs > Open
Step 3: Use Claude in Google Sheets
Select an Anthropic model from the top model switcher dropdown. Claude is now connected to Google Sheets, and you can ask it anything via the sidebar, using the model you want (currently claude-3.7-sonnet, claude-4-sonnet, claude-4.5-sonnet, and more), with or without an API key.