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Quote:Mozilla is testing a new feature in Firefox Nightly, which adds Microsoft Copilot to the sidebar. Cue the pitchforks!
That gecko's up to something.
Firefox already has 4 chatbots: Anthropic Claude, ChatGPT, Google Gemini, and Le Chat Mistral. Windows Report's Venkat (the Techdows guy), spotted the addition of Copilot in the side panel of Firefox Nightly. Mozilla has been working on bringing Copilot to Firefox for nearly a year.
![[Image: Microsoft-Copilot-AI-in-Firefox-sidebar.jpg]](https://www.ghacks.net/wp-content/uploads/2025/09/Microsoft-Copilot-AI-in-Firefox-sidebar.jpg)
When you select Copilot on the sidebar, the panel describes the AIs features briefly. You can use Copilot in Firefox without an account, but there are some restrictions like daily limits, no personalization, sync chats, shorter responses, etc. The chatbot can be used to generate text, images, code, and analyze images.
Users with a premium subscription can access more features.
![[Image: Copilot-options-in-Firefox.jpg]](https://www.ghacks.net/wp-content/uploads/2025/09/Copilot-options-in-Firefox.jpg)
Click on a new chat, and you should see "Quick response", click on this button to switch between 3 modes.
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