According to AlphaMoat, as of 2026-09, the Chrome extension AI Email & Support Copilot for Gmail, Outlook, Zoho has 116 users (+11.5% MoM) — ranked #3,976 of 9,324 AI browser extensions, and #817 of 1,839 in Office & Collaboration.
Respond to client emails using AI and your FAQ. Simply open the email, click the extension icon, and give a task to the copilot. AI Email & Support Copilot -- a Chrome extension that helps you respond to emails using AI and your FAQ. Simply open the email, click the icon, and briefly describe how you want to respond. The AI assistant will generate a professional reply. Works with Gmail, Outlook, Zoho, and all other websites (just select the text of the client's message).
Powered by OpenAI's GPT-4o model, this extension requires your OpenAI API key for operation. You'll be prompted to enter your API key during the first use -- this ensures your data privacy and gives you full control over the API usage.
_Note: You'll need an OpenAI API key with GPT-4o access to use this extension. The key is stored locally in your browser and is never shared with third parties._
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+ CompareData month: 2026-09 · User counts and ratings come from public Chrome Web Store data, aggregated monthly. See methodology.