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How to Disable AI Features in Firefox 148

Posted on February 2, 2026

Firefox 148 is here, and it brings some interesting changes, especially around Artificial Intelligence (AI). Mozilla, the company behind Firefox, is starting to test AI features within the browser. But what if you don’t want these AI helpers? Don’t worry, you can turn them off! This guide will show you how, step-by-step, so you can keep using Firefox exactly the way you like it. It’s all about having control over your browsing experience.

Why is Firefox Adding AI?

First, let’s understand why Mozilla is adding AI. They want to make Firefox even smarter. Think of it like this: AI can help summarize web pages, suggest what to type, and even offer helpful tips while you’re browsing. The goal is to make the internet easier and more efficient to use. However, some people are concerned about privacy, how AI learns, and whether it might change how they use the web. That’s why Mozilla is letting users choose whether or not to use these features.

The New AI Features (and Why You Might Want to Disable Them)

Firefox 148 introduces a few key AI-powered features, primarily through a new experimental system called “Mozilla AI Platform.” These features are still in early stages, so they might not be perfect yet. Here’s a breakdown:

  • AI-Powered Summaries: Firefox can automatically create short summaries of web pages. This could be useful for quickly understanding long articles, but it relies on AI processing your content.
  • Smart Compose: As you type in search bars or forms, Firefox might suggest what you’re going to type next. This is similar to what you see in Gmail or Google Docs, but now it’s in your browser.
  • Contextual Recommendations: Firefox might offer suggestions based on the websites you’re visiting. For example, if you’re looking at a recipe website, it might suggest related recipes or cooking tools.
  • AI Chat Assistant (Experimental): This is a more advanced feature that allows you to chat with an AI assistant directly within Firefox. You can ask it questions, get help with tasks, or just have a conversation. This is currently very experimental and might be buggy.

How to Disable AI Features in Firefox 148

Mozilla has made it relatively easy to disable these AI features. Here’s how:

  1. Accessing the about:config Page: This is a special page in Firefox where you can change advanced settings. Type about:config into the address bar and press Enter. You’ll see a warning message saying “Proceed with Caution.” Click “Accept the Risk and Continue.” This is a standard warning, but be careful not to change settings you don’t understand.
  2. Searching for AI-Related Preferences: In the search bar at the top of the about:config page, start typing ai. You’ll see a list of preferences related to AI features. Here are some of the key ones to look for:
  • ai.enabled: This is the main switch to turn AI features on or off. Set this to false to disable all AI features.
  • ai.summarization.enabled: Disables the AI-powered summarization feature.
  • ai.smartcompose.enabled: Disables the Smart Compose feature.
  • ai.contextual.recommendations.enabled: Disables contextual recommendations.
  • ai.chat.enabled: Disables the experimental AI Chat Assistant.
  1. Toggling the Preferences: To disable a feature, simply click the toggle button (it looks like a switch) next to the preference. If the switch is blue, the feature is enabled. Click it to turn it gray, which means it’s disabled.
  2. Restart Firefox: After you’ve changed the settings, it’s a good idea to restart Firefox for the changes to take effect. Close all Firefox windows and then reopen the browser.

Understanding the Risks and Benefits

Disabling AI features might mean you miss out on some potentially helpful tools. However, it also gives you more control over your privacy and browsing experience. Here’s a quick breakdown:

  • Privacy: AI features often rely on sending data to Mozilla’s servers to process information. Disabling them can reduce the amount of data that’s shared.
  • Performance: AI processing can sometimes slow down your browser, especially on older computers. Turning off AI features can improve performance.
  • Accuracy: AI is not always perfect. It can sometimes make mistakes or provide inaccurate information. Disabling AI features ensures you’re relying on the website’s original content.
  • Experimentation: By disabling AI, you’re opting out of helping Mozilla test and improve these new features. If you’re comfortable with potential bugs and want to contribute to the development process, you can leave them enabled.

Important Considerations

  • Future Updates: Mozilla might change how AI features are implemented in future versions of Firefox. This means the steps to disable them might change as well. Keep an eye on Mozilla’s official documentation for updates.
  • Experimental Features: Remember that some AI features are still experimental. This means they might be unstable or have unexpected behavior. If you encounter any problems, try disabling the feature.
  • Telemetry: Even with AI features disabled, Firefox still collects some telemetry data to help improve the browser. If you want to minimize data collection, you can adjust other privacy settings in Firefox.

Firefox 148’s introduction of AI features is a significant step. By understanding how these features work and how to disable them, you can maintain control over your browsing experience and protect your privacy. Regularly check the about:config page to see if any new AI-related preferences have been added, and adjust them as needed. Firefox is designed to be customizable, and this is just another way to tailor it to your specific needs and preferences.

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