Why do I need a paid plan for GPT Mate?

GPT Mate for Sheets gives you 10 free calls per day to explore the tool. To go beyond that, you’ll need to upgrade to a paid plan from 8apps.

In addition, GPT Mate requires you to connect your own API key from OpenAI or Google Gemini – even during the free trial. This ensures your data stays private, and usage is billed directly by the AI provider based on their pricing.