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Why not make them disabled by default, with the option to turn them on?
Yeah the option is called Waterfox, Palemoon, or even Vivaldi.
I hope Zen disables this by default, or completely removes it if that’s an option.
This feels less like an “anti-AI” stance and more like a trust and control issue. For browsers especially, users have very different threat models and performance expectations, and “always on” AI features blur that line quickly. An explicit opt-out makes sense, but I wonder if the more important question is whether these features can be implemented in a way that’s truly local and auditable. If users can’t clearly understand where data goes and what runs on-device, toggles become a necessary safety valve rather than a preference.
Mullvad browser doesn't have an option to disable all AI features because it doesn't have any.

(The Mullvad guys took Tor browser for its resistance to fingerprinting and removed the connection the Tor network. You don't need Mullvad VPN to use the browser)

https://mullvad.net/en/browser

Of all the AI features added recently, local translations is one that I would be OK with being enabled by default. It's useful, and its value proposition is much less dubious.
> We've been calling it the AI kill switch internally. I'm sure it'll ship with a less murderous name, but that's how seriously and absolutely we're taking this.

Honestly, is anybody reading what's getting written anymore? If it gets taken seriously it would ship with an enable-AI button, not the other way round.

It should be a plugin. Anything that isn't directly related to the core mission of a web browser should be a plugin.
Browsers don't do plugins any more. Firefox hasn't had NPAPI for almost a decade.
I can't imagine any reasonable use case for having AI tightly integrated into a browser (or an operating system, for what it's worth). Why not make a browser plugin or a web page or an app? I don't get it.
Local translation of websites so you don't have to tell Google about all the sites you want to read that are not in your language. Firefox's address bar that learns what you type most often and moves those items higher in the autocomplete list. There are plenty of great cases for AI very tightly integrated in the browser. That you haven't thought very hard about it or even bothered to see what AI Firefox has already had for ages (Awesomebar was about 15 years ago) is precisely why you don't "get it."
The problem with the "Trust me bro." stuff is that it only works if you are trusted and after the last decade Mozilla is anything but.
None of the big browsers can be trusted at this point. Firefox is at best the least worst out of the big cross platform browsers.
I'm going to chime in here, I think 1. This is great and Mozilla is listening to it's core fans and 2. I want Firefox to be a competitive browser. Without AI enabled features + agent mode being first class citizens, this will be a non-starter in 2 years.

I want my non-tech family members/friends to install Firefox not because I come over at Christmas, but because they want to. Because it's a browser that "just works." We can't have this if Firefox stays in the pre-ai era.

I know Mozilla doesn't have much good will right now, but hopefully with the exec shakeup, they will right the ship on making FF a great browser. While still staying the best foil to Chrome (both in browser engine, browser chrome, and extension ecosystem).

> Because it's a browser that "just works." We can't have this if Firefox stays in the pre-ai era.

Strongly disagree.

Theres no expectation of AI as a core browsing experience. There isnt even really an expectation of AI as part of an extended browsing experience. We cant even predict reliably what AI's relationship to browsing will be if it is even to exist. Mozilla could reliably wait 24 months and follow if features are actually in demand and being used.

Firefox can absolutely maintain "It just works" by being a good platform with well tested in demand features.

What they are talking about here, are opt out only experiments intruding on the core browsing experience. Thats the opposite of "It Just Works".

>I know Mozilla doesn't have much good will right now, but hopefully with the exec shakeup, they will right the ship on making FF a great browser.

Its already a great browser. It doesnt need a built in opt out AI experience to become great.

The absolute reactionary response to anything Mozilla does is quite the something to watch, I've never seen another company held to the same standards.

If you read the Mozilla and Firefox related threads over the past week, you'd think Mozilla was the scourge of the internet, worse than DoubleClick in their heyday and worse than Google's hobbling of Chrome.

That said, the AI options for Firefox are opt-in. If you don't want them, don't use them. You are correct in that this is where software is heading, and AI integration is what users will expect going forward.

Why does the browser itself need AI features ?

You can still easily visit chagpt via web if Gemini or whatever

Fully disagree. I use zero so-called "AI" features in my day to day life. None. Not one. Why do I need them in my browser, and why does my browser need to focus on something that, several years into the hype wave, I still *do not use at all*? And it's not for a lack of trying, the results are just not what I need or want, and traditional browsing (and search engines, etc.) does do what I want.

I'd be elated if Firefox solely focused on "the pre-AI era", as you put it, and many other power users would, too. And I somehow doubt my non-techie family cares - if anything, they're tired of seeing the stupid sparkle icons crammed down their throats at every single corner of the world now.

> Without AI enabled features + agent mode being first class citizens, this will be a non-starter in 2 years.

LOL

> 1. This is great and Mozilla is listening to it's core fans

It's not great. Great would be "we'll stop wasting money on extraneous features and we'll concentrate on making Firefox the best browser".

This is damage control.

At this point they should just bring back Eich and go fully trad ;)
I'm surprised your take is so controversial. This really is it - yes, the current core users are not interested in AI but most people in our lives who are not techies do use them, and Firefox needs win these users if it wants to stay relevant.

Of course, I have opinions on other ways it could make money instead of jumping on the latest hot thing (pocket, fakespot, VPN, etc) without actually truly building the ecosystem but at least they are trying.

Yeah, that's like having a browser without without support for blockchain, semantic web or UML! No one would use it without these absolutely critical features!
Lots of disagreement, but from necessity I (sort of) agree. Firefox foremost needs users. If it takes AI features to get them, so be it. However, Firefox cannot afford to lose its loyal user base, so they have to be optional.
I am highly sceptical of all AI features and it seems Gardner and other cyber security experts are starting to wake up as well:

The programs let you outsource and automate tasks, such as online searches or writing an email, to an AI agent. The only problem is that these same AI capabilities can be tricked into executing malicious commands hidden in websites or emails, effectively turning the browser against the user.

https://www.pcmag.com/news/security-experts-warn-companies-t...

For now this is restricted to Perplexity Comet and OpenAI Atlas and only the UK has issued an official warning, but why would I, personally, want my Firefox browser with an opt-out risk instead of an opt-in?

I think the core of the issue is that Mozilla is thinking big. They're not happy to service a niche well (which the majority of the comments on Mozilla related posts is generally asking them to), they want to get back to their glory days, capture the mainstream.

And that is tough. Chrome won because it was an, at the time, superior product, AND because it had an insane marketing push. I remember how it was just everywhere. Every other installer pushed Chrome on you, as well as all the Google properties, it was all over the (tech) news, shaping new standards aggressively etc. Not something Mozilla can match.

But they just won't give up. I don't know if I should applaud that or not, but I think it's probably the core of the disconnect between Mozilla and the tech community. They desperately want to break into the mainstream again, their most vocal supporters want them to get a reality check on their ambitions.

If I was running Mozilla, I'd probably go for the niche. It's less glamorous, but servicing a niche is relatively easy, all you have to do is listen to users and focus on stuff they want and/or need. You generally get enough loyalty to be able to move a bit behind the curve, see what works for others first, then do your own version once it's clear how it'll be valuable to the user base. I'd give this strategy the highest chance of long term survival and impact.

Mainstream is way tougher. You kinda need to make all kinds of people with different needs happy enough, and get ahead of where those wants and needs are going.

One could argue they could do both: Serve a niche well with Firefox and try to reach the mainstream with other products. I think to some degree they've tried it, with mixed results.

The difference between this and "will have an option to enable AI features" shows what the development resources will be focused on. I mean, f** JPEG XL support; we have a bigger investment fish to fry
Is there a fork of firefox where you have all the same core functionality and support for extensions but with all the mozilla services (pocket, safe browsing, forced crap on the new tab page, any AI service, etc...) removed?
Tor Browser, Mullvad Browser and PaleMoon browser (a modern browser, though it doesn't support webextensions).
I'm glad to see some mozilla employees standing their base in the comments. That guy trying to make the point that Mozilla was wasting resources chasing trend only for an employee to say it was a few people checking it out while 1000 people continued work on the normal stuff is nice to see.

The non mozilla people in that thread are so petty. Maybe it'd be better to have them go use another browser and stop dragging down firefox's reputation.

Can you point to some of these comments?
People on Mastodon being insufferable, say it ain't so
Firefox should release a separate build - "base", "core", "classic" - clearly, I am not a marketing person, but idea behind it, that this is only a browser without any extra features added. No "AI", no studies, no account sync. Only bare minimum browser, that allows user to do their internet things and, if they ever desire, will install all extra bells and whistles as extensions. No need to agree to any EULA either (remember, that it was added to Firefox?). And, the best part, all existing users will still keep using the same old Firefox version, no surprises for them. Now, I assume that someone will tell me, that this version already exists and is called ESR :)
There are two things to note here:

1. Pocket/etc is not even ancient history,

2. At this point I don’t think Firefox or Mozilla ought to be taken without a truck of salt.

A bonus third :D

3. People bleeding their hearts out for Mozilla and calling others out for constantly criticising Mozilla — it’s history baby, history!

I'll never understand why people feel so strongly about features like this and that they have to be opt-in.

I don't use bookmarks. Should those be opt-in? What about the other 85% of the browser's features I don't use?

> I don't use bookmarks. Should those be opt-in?

You can choose not to use bookmarks, remove the bar reserved for it, and it’s taking up kilobytes in the background. Can’t say the same about shoving an LLM in a browser.

But sure, I’m much closer to the extreme of “make bookmarks a plug-in” than “make everything a default”.

Could someone summarize the problem with Firefox's AI features?

At least when I last checked (months ago), none of those features that involve communicating with external servers would work unless you configure them to (i.e. provide credentials to an LLM provider).

Was I wrong? Have things changed?

Have it as a stand alone plugin.

I should have to manually install this AI stuff.

I should have to manually install this bookmarks stuff.

I should have to manually install this search bar stuff.

I should have to manually install this FTP client stuff (okay that last one is the case)

This is exactly the kind of boring, unsexy feature that actually builds trust. It’s the opposite of the usual “surprise, here’s an AI sidebar you didn’t ask for and can’t fully disable” pattern. If they want people to try this stuff, the path is pretty simple: ship a browser that treats AI like any other power feature. Off by default, clearly explained, reversible, and preferably shippable as an extension. You can always market your way into more usage; you can’t market your way back into credibility once you blow it.
I still don't want to use an "AI browser". I don't want to use a browser where all or most development effort goes into "AI features" that I need to disable. I want a browser where the development effort goes into making it better at browsing the web.
I'm not sure why people still believe this, especially developers. We're starting to literally just build AI into everything... you're not even going to know what's AI and what's not. The phase of labeling everything with cute little sparkles is starting to end and AI is going to be used similarly to external libraries.

If you don't like AI you need to seek legislation and pressure your local politicians. It's the only way to stop it.

>If you don't like AI you need to seek legislation and pressure your local politicians. It's the only way to stop it.

Yup. So we're screwed for up to 3 years. Maybe much less depending on nature or the result of certain hot topic issues.

That might be a minor factor why we seem to be speedrunning everything in 2025. Get ahead of the crash, of the legislation, of the wool coming off the common citizen's eyes.

I don't understand why it's so difficult (impossible?) with Firefox to use your own private AI server (that's not running on localhost). With Brave it's pretty easy.
Honestly this should've been introduced with the new AI Features from the start, it's just shipping slightly too late to fully regain my trust.
Firefox had options for many things, until those options were removed