SheetsAI for Google Sheets™ lets you bring your own API key to use Large Language Models from any provider (currently, just OpenAI, more coming soon) inside of Google Sheets™, at cost! Unlike the other guys, we don't make you buy credits with our service, which is completely open source and free of charge. All you need to do is bring your API key, and you can use GPT in Google Sheets as much as you want. Additionally, we store none of your data, and our entire app is open source - check it out at https://github.com/allen-n/sheets-ai. Need help? Reach out via the developer email & support at https://www.trysheetsai.com.