A Google Apps Script that enables ChatGPT and Claude functionality directly within Google Sheets using custom functions.

Direct integration with OpenAI's ChatGPT models and Anthropic's Claude models
Support for multiple models (GPT-4, GPT-3.5-turbo, GPT-4o-mini, Claude Sonnet 4, Claude Opus 4)
Customizable temperature parameter for response creativity
Easy-to-use custom functions in Google Sheets