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I second that. I've personally known him for almost 30 years by now, and he's still one of the smartest, most experienced, and most curious devs I've ever met. All around good guy, would work with him again any day of the week.
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I've never met Hendrik but the code looks cool :)
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Can you share something that you found nice?
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How is that fascinating? That's what makes up most of the tedious Show HN posts these days.
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There is a difference between vibe coding (asking an agent to generate an app from specifications) and leveraging agents to go faster on your vision. You can still decide to control the technical architecture and decisions and just let agents type on your behalf.
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Has he made anything else interesting?
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20 or so years ago him and czottmann wrote a nice little wiki software that I used, WakkaWiki. Following him/them and their work ever since. Crazy.
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Pepperidge Farm remembers!
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Well that’s just snarky and not very nice. The guy has 30 years experience as a dev according to a sibling comment so it’s not as though it’s some vibe coded junk. Why do you believe a good dev can’t use AI to assist in writing great code?
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You tell me he has 30 years of experience, then you tell me that he developed the chat app in a way that negates those 30 years of experience.

Like, either the 30 years matter or they don't. If you're using agentic coding, while copying the two most popular chat applications (Discord and Matrix/Element), you'll need 5 years of development experience at most.

The big thing about AI is that it lets you explore a new domain outside your expertise almost effortlessly.

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I'm not interested supporting in anyone who is willing to build on stolen property just so that we can accelerate enshittification and damage the environment. When the AI companies pay artists for their training material, stop building gas pipelines directly to data centers, and work on putting UBI in place before they try to replace all white collar labour, it may be worth revisiting.

There's a reason that believing AI is bringing a better world is a more fringe position than believing in telekinesis. The AI companies are strip-mining the commons, and leaving the world worse off for it.

Edit: it's interesting watching the votes on this bounce up and down between the people inside and outside of the pro-ai fringe react.

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Good luck! The world needs more rms types (specifically referring to people who adhere strongly to moral principles over expedience)
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Are you sure about "rms types" specifically? Stallman is very ineffective in his proselytization, owing to his complete refusal of any kind of compromise or concession to dissenting positions. This stance may keep your soul pure and righteous, but it won't bring you one millimeter closer to your objectives.
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Would you say copying and finding solutions on Stackoverflow is building on stolen property?

I'm no fan of AI companies, but I fail to see how people using it to build open-source software is a bad thing.

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Are the solutions on stackoverflow licensed in a way that allows people to use them that way? Is this true for AI training data?
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Depends on whether the answer o. Stackoverflow was given willingly or at gunpoint ^^
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So we are at a stage where AGPL 3.0 is not enough and using AI assisted coding is considered evil?
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your comment sounds like your the type to say you won't buy a house in North America cause its stolen land...
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You're convincing me to side with this ori_b here.

I knee-jerked downvoted their initial take because it reads as ineffective. boycotts just concentrate the energy of the other side even more. If anything we need more participation across the spectrum to shape what isn't going away.

But reading the discussion, deliberate advocacy and taking a stance counts too. Um yeah, there is a problem with profiting from real-estate-go-up willful-ignorance.

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Exactly. As long as they benefit in the short term, who cares about the damage done? Who knows, maybe you'll end up making enough money to avoid any future consequences, too. Good luck with that.
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Glad to see people trying to talk sense in this community but the AI chill here is very strong. Reminds me of the proud "we should go back to our military-industrial root".

Also funny how it's always about "the smartest guy I ever met" impliyng other dev aren't that smart. There are easily tens of thousands of devs who are way above anyone's here level but there are coding OS module, GNU tooling or other less shining stuff, or there are not American enough.

It's tiring to see the usual corp slop : github, twitter or blue sky, vibe coding, etc. Then see the complain years latter than the product was "enshitified", all was there from the beginning. Think about the real FOSS software (GNU tooling, ffmpeg, Godot, codeberg/forgejo) to see long term software than work and carry all this money-makimg mess.

As for chatto the dependency mountain is a red flag to me, this is asking for problem in my opinion, were talking primarily about sending text here.

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How do you feel about open weight models, and fully open source models (all data, training scripts/recipies, and model weights all open source)?
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I'm not aware of any advanced models with full training data available, let alone available with paid licenses for the training data.

The process of training and using them is also not likely to be any better than commercial models. 23% of Ireland's power is going to data centers, spreading that among less efficient hardware in less efficient setups is unlikely to be better, unless the models are so bad nobody uses them.

And I'm also not aware of anyone working on these models trying to reduce the social damage they are going to do.

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> trying to reduce the social damage they are going to do.

I'm worried about that in particular because when I started using AI I often felt I wanted to say something nice to it, like just "thanks" after I got someting working with its help. But then I started thinking I'm crazy, that's a waste of typing, what does it matter if I tell AI "thanks" or not.

So I don't thank AI any more, do you?

But that means we get used to this style of conversation and soon enough we don't tell humans thanks either. We dont' put in the energy to lubricate our social interactions. I'm worried that interacting with AI will make us all rude.

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>I'm not aware of any models with full training data available, let alone available with full licensing.

Check out the OLMo family from the Allen Institute for AI: https://allenai.org/blog/olmo3

Also worth looking at EleutherAI, LLM360, SmolLM, Apertus. Apterus even respects opt-out notices in their collection of the dataset they distribute. KL3M from Kelvin Legal is even trained on a 100% copyright-free legal/governmental corpus.

>23% of Ireland's power is going to data centers

This isn't even a rounding error in terms of global energy usage. Besides, renewable energy is cheaper than non-renewable energy now. Energy demand itself directly drives the deployment of renewable energy. Needing more electricity in a capitalist country literally causes the energy mix to become more green over time.

>And I'm also not aware of anyone working on these models trying to reduce the social damage they are going to do.

Is it fair to account for the social damage without accounting for the social good, like the unprecedented democratization not just of mere information, but knowledge and understanding itself, around the world? Think about how many deaths will be avoided, how many billions or trillions of years of human life will be gained over time, all of the people that gain access to a personalized, individually tailored tutor for any subject on earth, all of the medical and legal advances, etc.

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> Needing more electricity in a capitalist country literally causes the energy mix to become more green over time.

Perhaps true, but meaningless except as a vanity metric if fossil fuel usage rises as well.

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EU and US have had declining total carbon emissions for over 2 decades now. The global rise in total carbon emissions comes from outside the west.
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> Check out the OLMo family from the Allen Institute for AI: https://allenai.org/blog/olmo3

Is this a joke of just blatant publicity for this Billionaire "philanthropist"? This olmo uses random data of totally infringing license database such a StackEdu (https://huggingface.co/datasets/HuggingFaceTB/stack-edu).

I took this first dataset from what olmo claim to use and check a random used data -> https://github.com/rodriguescarina/URI . Boom MIT licensed (where is the credit?), 0 opt-in for AI training as far as I see.

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You're right, the usage in the USA is bigger.

https://www.eia.gov/todayinenergy/detail.php?id=67704

Across all cases, servers alone accounted for an estimated 7% of commercial sector electricity consumption in 2025. Data center server electricity use grows to 22%–33% of commercial building electricity use by 2050 across our cases.

Distributing that outside of special purpose, optimized data centers isn't going to bring that number down.

> Apterus even respects opt-out notices in their collection of the dataset they distribute.

Yeah. Uh. That's the bare minimum.

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> anyone who is willing to build on stolen property just so that we can accelerate enshittification and damage the environment

Others have made solid arguments(Stackoverflow, open weight models, and fully open source models) - but I encourage you to study the ecosystem post War II and the 1970's Silicon Valley, especially how the semiconductor companies "innovated".

The tiny little MOSFETs you're employing to read this are all built on stolen IP.

As someone famous said, good artists copy; great artists steal.

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> The tiny little MOSFETs you're employing to read this are all built on stolen IP.

The alternative to an LLM typing code is a human typing the code. What is the alternative to microchips?

> As someone famous said, good artists copy; great artists steal.

And people who could not be further from artists, or even art enjoyers, think stealing makes them artists, too. Because they're that far removed from art, or any grace, really.

Which doesn't go against OP or the project, which I find delightful. Although I generally share many reservations of "AI critics", I'm also a starved: if it's snappier and uses less resources than something humans coded, come right in! At least if it's a neat thing like this seems to be, and not some sprawling trojan horse with code that "works" but looks terrible... machine optimized stuff that is opaque to and not made for humans need not apply.

I'd bet 99% of overall token usage has nothing lasting to show for it, and of the 1% that actually compound into anything 99% are nothing like this. So just like a broken clock can be right twice a day, a super correct soldier of Butler can hold fire twice a day, no?

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vacuum tubes : MOSFETS :: human coders : LLMs
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> What is the alternative to microchips?

There are different ways to answer this. One person gave a literal answer - Vacuum Tubes. My, alternate answer is, humans. Computers are machines that automate human processes. If we didn't have a digital domain, we would just be doing what we were doing before it, printing and writing.

> I'd bet 99% of overall token usage has nothing lasting to show for it, and of the 1% that actually compound into anything 99% are nothing like this

What you're betting with?

LLMs have changed to game on velocity of knowledge work. The future has changed and "nothing lasting to show for it" is a very limited take on the matter.

LLMs have democratized knowledge.

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"The future has changed", oh my.

The idea that "the future is changed now, so you can't change it again" is the language of abuse, not the language of wisdom. We'll just change it again by draconically punishing thieves. Then we can have the best of both worlds: cool tech, and no Eloi/Morlock bs.

Anyway, I simply meant that most vibe coded stuff doesn't seem to get maintained, and that most token usage doesn't produce any artifacts to begin with.

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> "the future is changed now, so you can't change it again"

that's not what I said.

As technologists, we repeatedly change the future - that's what makes all the pain, sweat and tears worth it. 35 years ago, when I was getting serious about computers, buying them and encouraging others to use them, people would shake their fingers at me, saying how these bulky TVs that you can press buttons at were a passing fad, that it was an absolute waste of everyone's time even thinking one would sit in front of a TV and press at buttons for more than an hour a day, that there was no reasonable way it would translate into anything but extremely niche entertainment. They would lecture me on how I was a kid who didn't know any better, that I was wasting my time out of ignorance and that I should listen to the adults who had decades of life experience and focus my time and continue studying organic chemistry and become a doctor because who didn't need a doctor?

> most vibe coded stuff doesn't seem to get maintained

even if this was true, cost of code consumption and generation has fallen so much, that anyone in a developed country can point their favorite agent to the "unmaintained vibe coded stuff" and then maintain it to their liking or rewrite it from scratch the way they wanted it to.

> most token usage doesn't produce any artifacts to begin with

Your previous statement contradicts "doesn't produce any artifacts" directly. Given what you have told me, the shallowest but congruent argument that can be made is "most token usage produces unmaintained vibe coded stuff".

It looks like you don't necessarily like what LLMs are providing to society and I can see why one would like to hold that opinion. I don't agree with that at all, because it's literally untrue given the insane demand - both from an everyday Joe and from corps the world over. No one's burning $20+/mo every month of their own money in this economy just because they are not getting anything of value.

My personal AI spend is $350/mo and it has been that for the last year. My blockers are gone. Projects that had been a distant thought, only cosidered during a flight, a wait at an airport or for a bus or Uber is finished in a weekend. My QoL and those of my family has improved so much, that I am really grateful about the times I live in.

My 100 year old grandfather struggles to communicate and remember things. I cannot expect to give him a tablet and have him use it. We have spent years looking for apps that we could use to make his life better. None of us are mobile app devs. Solved in a week.

I had random headaches when I woke up really early, ever since I was a teenager. Tens of thousands of dollars spent chasing lab tests and doctors, no solution. Resolved in a month.

The most I can do is encourage you to set aside your current stance, and just for one day, consider what if you could use LLMs to improve your life. What would you do?

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Stealing ideas, intellectual property (IP), etc are happening throughout the age of the human civilization, that does not prevent us as human moving forward.

That's why there's little to no credit given to Muslim scholars (Arabic, Persian, Moorish Spain, etc) by the western scholars, by conveniently dismissing the Muslim golden era as "Dark Ages" but at the same time stealing the knowledge (idea, equations design, tools, etc) for most of the prior inventions by the Muslim scholars, for example the telescope.

Even worse not only the knowledge (ideas, design, equations, tools, etc) in science, engineering and technology were blatantly copied and stolen, no credit is properly given to these Muslim scholars contributions by saying that the Muslim scholars at best were just merely translating the Greek scholars works and ideas [1]. I suspect that Newton also blatantly copied the many great works by al-Haitham (Alhazen) but not giving him proper credits [2].

C'est la vie, and life goes on.

[1] Islamic Astronomy and Copernicus:

https://www.tuba.gov.tr/files/yayinlar/bilim-ve-dusun/TUBA-9...

[2] Ibn al-Haytham (Alhazen):

https://en.wikipedia.org/wiki/Ibn_al-Haytham

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Firstly, there is a difference between a telescope and the prior advances that led to a telescope being invented. The telescope was not invented by a muslim scholar, hence that being why no one gives credit to one of them for that.

Secondly, to this claim:

> That's why there's little to no credit given to Muslim scholars (Arabic, Persian, Moorish Spain, etc) by the western scholars, by conveniently dismissing the Muslim golden era as "Dark Ages" but at the same time stealing the knowledge (idea, equations design, tools, etc) for most of the prior inventions by the Muslim scholars, for example the telescope.

From the link you provided, in the very first paragraph:

> The works of Alhazen were frequently cited during the Scientific Revolution by Galileo Galilei, René Descartes, Johannes Kepler, and Christiaan Huygens.

No credit or frequent credit - which is it?

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>No credit or frequent credit - which is it?

>>there's little to no credit given to Muslim scholars

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Yep, instantly lost all interest. I'm not sure how impressive it is that somebody vibecoded a browser-based chat app over the course of several months. I also don't know what difference it makes that the dev is a really cool guy, or whatever; I'm sure he is, but the usage of AI is unethical, plain and simple, and I won't support it at all whenever feasible.
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Spoilsport
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These kind of comments just spike the conversation and leave no room for nuanced opinions or discussion.

A lot of garbage is also being produced and a lot of people have to clean it up, right? Hopefully that’s not too controversial of statement?

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> These kind of comments just spike the conversation and leave no room for nuanced opinions or discussion.

It's a 20-something day old account.

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Sadly lots of that these days.
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Are you sure you read that here? I came back yesterday after a hiatus and I’ve been dismayed how many posts are just “yeah, I just run Claude all day” without a hint of embarrassment or shame.
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I run Claude all day, and produced some good shit, but I'll admit to being thoroughly embarrassed that I haven't looked at it all, won't make it public, won't put my name on it, won't pick a license. I'm depressed about the whole thing and might take it up with a therapist.

My eyes are still rolling from GP's comment:

> he single-handedly developed it by leveraging agentic coding

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>he single-handedly developed it by leveraging agentic coding

so, unmaintained in a year because the sole developer got bored/didn't make money from it/burned out ?

Great, I'll run my entire company on it!

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are you ok? what do you need constant updates for on a self hosted chat server/client? it already looks like it has most of the features
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Bug fixes and security patches, for one.
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Fix it yourself.
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Why would I do that? I'm not a domain expert in chat apps, and I've already got my own projects and software to fix. If I'm going to take on the maintenance of some chat app, why wouldn't I just build the whole ass thing myself from the beginning? Or, more prudently, why wouldn't I just skip over this one and find a chat app that's got a track record of continuing support so I don't give myself a headache down the road?
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If you can find or build something better, nobody's tryin' to stop you from doin' it. To the contrary, the world could certainly use more decent options in this space. Having choices is a good thing. :)
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"why would you need features on the thing on which the vast majority of your company's interactions and unofficial note keeping and knowledge building is happening" is a fun question to ask, when the project in question doesn't have bot actions or webhooks.
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just implement them yourself if you need that, takes a few tokens
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I agree with this sentiment so much but before I could figure I turned into it. I'm feeling torn - it's helping me write and ship good code as I couldn't before, but it feels like I don't understand the real price of using it non-stop.
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Yes. Every day. Look at the replies for crying out loud. Including yours.

Why should anyone be embarrassed? You should be embarrassed that you think you are morally superior for not using Claude. Let me guess, you don't own a tv either? So cool.

Claude is regularly finding bugs and security issues people like you slop coded into widely used tools.

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I run Claude when it isn't broken, I run Opencode the rest of the time. I probably haven't written a line of code in months.
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It took him a year to build. So yeah, obviously if someone spends a year working on something with an LLM they can produce a good product.

The slop we're seeing from people using AI is because they pump it out in a month or two and then call it a day.

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The big question is: how do we tell the difference?

If 99.9% of LLM-smelling projects is vibecoded garbage, why should anyone assume that your LLM-smelling project is the 0.1%? If I spend all day digging through dogshit to find the one diamond, I'll just end up going home empty-handed smelling of dogshit.

AI tells are a giant red flag indicating to potential users not to waste time on it. Want people to take your new pet project seriously? Don't use AI! And yes, that does include even the genius 100x engineers who can use LLMs responsibly.

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don't forget "where are all these beautiful apps that supposedly everybody vibe codes now?"
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Who says this? "Beautiful" vibecoded apps are a dime a dozen. Getting support or continued feature development for those beautiful apps after the developer's AIDHD moves on to their next half-baked idea is usually the differentiator between a good vibecoded app and a bad one.
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> But I read here every day that agents can't code. And that "real developers" spend more time fixing AI bugs than producing code, and it slows them down.

This is all correct, though. I haven't tried this, but I can guarantee it's a buggy, incoherent mess, same as every other vibe coded app I've ever tried, no exceptions.

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Yeah, the crap I vibe coded is buggy as hell too. It takes a lot of tokens and time to polish my agentic turds.
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Better learn to plumb bro
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