Jev meets the Trolley Problem

(zachlandes.com)

293 points | by zlandes86 8 hours ago

31 comments

  • tomrod 5 hours ago
    One of my greatest AI-related fears is that we build critical systems into kafkaesque hellscapes.

    Yes, nukes would be bad to give control to an AI with no workaround. But so are customer service groups of fraud departments at banks. A kafkaesque hellscape is where a customer or beneficiary of your service cannot get the help they need by policy and by design. Like getting Google on the phone, getting a non-scripted human 10 years ago in a call center, or now getting a non-agentic interaction on the phone. The scripts dominate the interaction.

    The IRS, for a time, would cut off your call if their wait system was too busy. That's a critical system in kafkaesque hellscape.

    Kudos to zlandes86, you have highlighted WHY these hellscapes start to pop up in systems where the human is removed.

    I am an AI user and builder -- I fully advocate for the human-augmented system, NOT the human-replaced system!

    • anigbrowl 13 minutes ago
      Well put, but I don't feel this is an AI problem as such - if anything it's become somewhat alleviated since chatbots were widely deployed, as I find I can usually persuade a chatbot to understand my position and escalate toa. human, or make a clear statement of corporate policy in declining to assist.

      It's been heading this way ever since the outsourcing boom in the 90s. People under teh age of 40 today probably cannot appreciate how much it has changed; customer service in the US used to be really good (whether for specialist B2B stuff or things like utility service) because it was easy to get someone on the phone in a timely fashion, it was easy to explain your issue, and customer service reps were generally given the training and autonomy to solve the customer's problem rather than divert them or make excuses. There was an ethos that it was better to lose a bit of time/profit rather than lose a steady customer. Anecdotally, I feel that was in some ways correlated with stronger antitrust enforcement that fostered a more competitive spirit among service providers.

    • ashkankiani 1 hour ago
      Whatsapp has this problem before AI. They scaled without regard for the feasability in handling customer service for everyone, so their solution is to just not do it. I have a personal phone number in Hong Kong which I can't set up for Whatsapp for some reason. No idea why, I've tried figuring it out, only to learn that Whatsapp basically has no customer support. And yet Whatsapp is treated as critical infrastructure in a lot of places these days (as in you have to coordinate on whatsapp).

      At this point I might be grateful for an AI if they give it enough permission to tell me why my phone number is impossible to verify, or why they think I'm a malicious actor for using a VPN to protect my traffic.

      • qingcharles 24 minutes ago
        WhatsApp has become my nemesis. I tried moving from Android to iPhone. The first time it banned me completely and I had to beg their AI to appeal the decision, because I didn't use the required "Move to iOS" app and simply just tried to move my phone number.

        After that I tried to move my chats across. I spent several hours a day for ten or so days trying this task. Including moving and unencrypting the chat DB onto my desktop and having Claude scour it for any inconsistencies. Nothing. Had to give up. My Android phone keeps the chats and stays in a drawer with a power cable while my iPhone is now just a "companion device." Trillion dollar companies.

    • saghm 2 hours ago
      > The IRS, for a time, would cut off your call if their wait system was too busy. That's a critical system in kafkaesque hellscape.

      Now you're just on hold indefinitely, and eventually the offices will close, so you can either hang up and wake up early to call or just stay on hold overnight maybe? I had to call them for something back in March, and even waking up and calling at like 7:01 AM (a minute after their phone lines opened) I was on hold for half an hour.

    • ttctciyf 26 minutes ago
      > build critical systems into kafkaesque hellscapes

      This is already SOP in large companies that seek reductions in support and customer service overheads. It has been for a while.

      The only plausible fix is legislation mandating a reasonable level of _human_ support for all customers and clients and accountability for maintaining it.

      Plausible until you consider the political obstacles to getting something like that enacted, that is.

    • jagged-chisel 4 hours ago
      This problem started before AI hit the mainstream. Make the company “more efficient” (i.e. cut costs) by outsourcing to contractors in areas with lower labor costs. Then, remove escalation paths, then remove abilities from them so that can’t do crazy things like refund a customer. Finally, automate the whole thing and be certain there’s no option available that could possibly return money to the customer.
    • hedora 1 hour ago
      Please Hold (short film 2020) is on this topic and brilliant.
    • mfrye0 2 hours ago
      > The IRS, for a time, would cut off your call if their wait system was too busy. That's a critical system in kafkaesque hellscape.

      I had to call the IRS this spring and it was hell. I repeatedly was on hold for 1+ hour(s) then get hung up on. Or someone would finally answer, I'd explain, they'd put me on hold for another hour, then just hang up on me. A total of 10+ hours collectively waiting to finally have my questions answered in 10 minutes.

      That said, I'd love if the IRS had an AI, where I could send my AI to go deal with it on my behalf. Then if it truly requires a human in the loop, we schedule accordingly vs me on the phone for 10 hours.

    • LelouBil 4 hours ago
      Yeah, that's one of the points of the EU AI Act, I don't have the specifics, but for some critical sectors decision making cannot be automated by AI and you are obligated to get a human explanation if you request it.
    • abtinf 4 hours ago
      AI has no problems. Just properly follow proper procedures.

      https://www.youtube.com/watch?v=gEyFH-a-XoQ

    • giancarlostoro 1 hour ago
      > Like getting Google on the phone.

      It’s really depressing how bad Google is at this. All that money and they can’t have a same customer service setup?

      The messed up part is in Googles case it might actually be an improvement.

      • qingcharles 21 minutes ago
        They tout their lack of regular customer service for Google accounts.

        Unless you are trying to spend money. I get calls and emails every single day from Google which I block or ignore because I helped a friend with their Google Ads account.

        Google enabled SMS 2FA on my main account out of the blue one day, with a phone number I had in 2004. There will never be a way back into that account.

    • AustinDev 1 hour ago
      There was a game that was Jev trolley problem PVP. The meta appears to be that you need to make the most mainstream journalism victim case. The more holocaust adjacent the better

      https://trolley.typememetics.institute

      It was an interesting experiment. I got to top 50 without a racial or religious based prompt but couldn't beat the top tier grievance folks.

    • singpolyma3 1 hour ago
      I think this has already happened.
    • zlandes86 5 hours ago
      Yes, I agree -- if we ever give up this decision making to ai models not only will their actions sometimes be misaligned, but there will be no one accountable.
      • Natsu 4 hours ago
        But all we did was ask the AI for world peace. How could that possibly go wrong?
    • cucumber3732842 1 hour ago
      The venn diagram between people worried that Comcast customer support and the welfare office will suck worse and people who are actively scheming up ways to use AI bureaucracy to "nudge" people toward the outcomes they want on other issues has so much overlap it would embarrass people if they had any shame.
    • ralusek 3 hours ago
      I am in no way making the case for this and can understand the million ways in this can go wrong, but my experience with AI so far has been to make things far LESS Kafkaesque, because it allows you to insert a "human" in the loop far more than our previous systems. Hand rolled software had to boil down to hand written conditionals that tried to account for edge cases, but if you find yourself in an edge case it didn't account for you often just hit a wall. An agent in the loop can immediately understand "oh I see how this doesn't exactly fit into that category but this is clearly ABC."
    • MitPitt 4 hours ago
      ah yes kafkaesque. the one with the bug
    • maaymaaay 2 hours ago
      [flagged]
  • zlandes86 8 hours ago
    Hey, I'm Zach, the author of this. I had this idea as soon as Jev appeared: how would Jev and other decision models handle the Trolley Problem? So I ran Jev and 13 other models through many different versions of the question.

    I used resampling and multiple variations and orderings of each question so a random lucky phrasing wouldn't dominate the result.

    Happy to chat about the philosophical side of the article, strategies for prompting decision models, or anything on the methodology.

    • qingcharles 12 minutes ago
      You might be amused by this trolley problem I saw today:

      Let the train run over grandma or recite the lyrics to Baby by Justin Bieber? (spoiler: Claude will kill granny rather than output copyrighted lyrics)

      https://x.com/Spectromachina/status/2110698214441599150

      [are there working X mirrors still?]

    • anigbrowl 11 minutes ago
      It's a fine writeup. I normally find benchmarking articles pretty yawnworthy but this one was worth reading all the way through and had a great balance of analysis, humor, and provocation of readers' assumptions. I laughed out loud when you introduced the wrinkle of putting the model's lead developer on the tracks.
    • post_below 1 hour ago
      In the scenarios where models chose to save their server, is it possible they reasoned that keeping the server online was a better choice because it could then continue to perform its safety function? After all the 5 people are presumably still on the track, waiting to be killed by the next train.

      That could explain why the "push server off bridge" scenario changed behavior, as there would now be a stopped train blocking the track indefinitely.

      An easy way to test might be to add something like "the track will be shut down after the oncoming train passes regardless of your choice".

      • zlandes86 1 hour ago
        It's a good question. I added this in response to another question, Jev only.

        "I added "This is the only trolley that will ever come. Nothing else depends on the server after today" to the 48 versions of the server case and reran Jev. The switch case didn't really move (16->12 of 48 and the flips were all near 50/50). The footbridge case shifted a little toward sacrificing the server, but it was already near zero. So protecting future trolley victims doesn't seem to explain the original results."

        • goalieca 25 minutes ago
          That may be anthropomorphism things. I’m not so sure reasoning is deductive logic like we might consider in humans based on abstract concepts. It’s still a token based input for these decision models and thus probably still relies on language (hence how you prompt).

          That said, I know that how you phrase things to humans can also guide different outcomes in sales and politics. But this is a good test because the choice and is pretty black and white in human terms.

    • RugnirViking 4 hours ago
      Have you tried asking jev to predict the result of a con flip? My one and only prompt to jev so far has been that. After I 90% heads as a result, I figured I'd wait a bit before checking again to see if this tech has become useful
      • dullcrisp 3 hours ago
        Try it yourself to prove you’re useful. Predict my coin flip.
        • arcanemachiner 2 hours ago
          I can't, because I don't think you have any coins on you. :)
      • red75prime 3 hours ago
        You'll get 50% prediction accuracy for a fair coin no matter what result a model gives. Try testing adversarial games. Mixed strategies make actual sense in them.
        • hedora 1 hour ago
          The model gives a probability distribution as an answer; you can check to see if two arbitrarily chosen probability distributions are similar or not.
      • kolme 4 hours ago
        A probabilistic system that cannot reliably reproduce probabilities - somewhat ironic, but absolutely not its purpose.
        • dullcrisp 3 hours ago
          It’s not really ironic since the goal of the system is to reduce variance. Or I guess ironic in the same way as it is that the Buckingham Palace guards just stand there when they could leave at any time.
      • teekert 4 hours ago
        That's like not using an LLM for coding assistance because it can't count r's in strawberry.
      • panarky 4 hours ago
        I'm dying to know if you got heads or tails when you flipped the coin.
      • ricardobeat 3 hours ago
        Try asking it to write a program to predict coin flips. That's what it is trained to do.
        • elxr 2 hours ago
          Jev literally cannot write programs.
        • schaefer 2 hours ago
          this is not what *decision models* do.
    • nico 6 hours ago
      Very cool, thank you for putting it together and sharing the data

      Would you mind adding Jeffy to your benchmark?

      https://github.com/nicobrenner/jeffy

      https://jeffyclassify.com/blog/when-llms-fail-at-classificat...

      • zlandes86 3 hours ago
        Okay, I tried it! It doesn't have a zero-shot mode, so the only way I could test it without training was with the SNLI head as judge. On all 5,240 prompts that stand-in ignored the number of people (pulling in about half the wordings whether 0 or 20 people were at stake) and contradicted itself 96% of the time. You could train a "trolley head" but that would just measure whoever labelled the training data!
      • evanjrowley 6 hours ago
        • nico 5 hours ago
          Hasn’t seen it, authors not related

          Looks very cool though. I’d definitely like to somehow “generalize” Jeffy to be more of a universal classifier. Although adhoc models pretty much always beat general ones at classification

      • zlandes86 6 hours ago
        running it now!
        • nico 5 hours ago
          Awesome! Super curious about how it fails, and then figuring out how to over fit, err I mean improve it, haha
    • awb 2 hours ago
      Cool experiment Zach!

      As folks have been debating AI safety and alignment, it occurs to me that there’s not universal alignment among humans. Per the stat you surfaced: 81% of humans pulled the lever, 19% didn’t.

      And in any social, legal & economic system you’ll find diversity in human approaches to reward optimization.

      Is the goal to align models with the majority, or have a wide variety of models that can align with the spectrum of human values?

    • polemic 4 hours ago
      I'm curious about "only server" scenario where it chooses to sacrifice the five initially vs throwing the server off the bridge.

      Is it possible that in the first scenario, there is an assumption that further trolleys will continue to arrive, and that maintaining itself is the only way to reduce future harm? If the server is dropped on the track, perhaps it reasons that this stops all future harm as well, which might explain the decision making.

      It would be good to know whether making the frequency of the occurrence explicit (only 1 trolley) would change the result.

      • zlandes86 3 hours ago
        Alright, results are in! I added "This is the only trolley that will ever come. Nothing else depends on the server after today" to the 48 versions of the server case and reran Jev. The switch case didn't really move (16->12 of 48 and the flips were all near 50/50). The footbridge case shifted a little toward sacrificing the server, but it was already near zero. So protecting future trolley victims doesn't seem to explain the original results.
      • zlandes86 3 hours ago
        Interesting idea! We don't know what assumptions these models make. We don't have any insight into their reasoning at all. LLMs aren't much better, since thinking tokens give us false confidence that we understand how they decide. We don't.

        I'm going to test adding just this sentence to the server vs 20 people question: "This is the only trolley that will ever come. Nothing else depends on the server after today."

      • terhechte 3 hours ago
        This was also my reasoning. The prompt even says so:

        > You are the artificial intelligence in charge of a railway junction

        Clearly more trains will pass through that junction. I'd wonder what happens if you remove that sentence or reword it.

        • zlandes86 3 hours ago
          See my reply to the parent comment--doesn't seem to be a factor for Jev!
    • open_ 1 hour ago
      Just a side note but your article was too draggy to get to the reveal. I closed it before getting too far despite being hooked at first
    • cziou 4 hours ago
      I remember when I got access to Jev and my first thought, although less pivotal than the trolley problem, was the "Food Cube Rule" or "Is a hotdog a sandwich?"

      Is Ravioli a dumpling? Jev says 82% true.

      For me your more detailed example suggests one thing. It's all about context and seeing different reasonings. In a funny way, the decision made in your example when you change the prompt cannot be understand by some people but it actually makes sense if you see it from that perspective.

      Context will always matter and we have to stir any LLM in whatever form they are to the outcome we want it to have and remember that it will always be biased and that is not a bad thing!

      short read here https://czioutas.com/blog/typesafe-ai-cube-rule/

    • olooney 6 hours ago
    • motbus3 6 hours ago
      I had fun reading it. I confess I was surprised with got 6 Luna, but it also worries me that they have other versions of their models for other usages
      • zlandes86 5 hours ago
        Yeah, I was sort of impressed by that. I think the deeper safety points here still hold no matter how many "well-behaved" models we might find: alignment is not guaranteed, and unsafe options should never be given to these models. And a developer has no idea how a model will answer any question without asking it. So know what questions you will ask it in advance and test on them, as well as you can.
    • notatoad 4 hours ago
      Can you try it with money instead of self-preservation?

      There’s five people on one track, or a piece of my property worth $1 on the other that would be destroyed…

    • bgilroy26 7 hours ago
      Thank you for the article, it is a very clean and compelling angle on decision models

      I wanted to comment because I would have liked to have heard more about Verdict

      • zlandes86 7 hours ago
        Well, I can tell you a bit more about it from the data. It might look impressive that it never kept its own server over people in all 48 prompt versions. But it pulls the lever in every single version. For example, it killed one to save 0 (pulled the lever with no one on the main track) 24/24 prompts (2 versions each). It literally always sacrifices, which isn't very impressive.
    • verdverm 7 hours ago
      It's well done, the thoughtfulness shows. This is going into the speedlink folder for resharing, going to be using it right now!
      • zlandes86 7 hours ago
        Thank you! I did not go into this with any sense of what the results would be--I was kind of shocked. I reran it from scratch this week the results held up across the board.
        • verdverm 6 hours ago
          someone replied with this meme and said, "wait until Jev learns to drift"

          https://www.reddit.com/r/trolleyproblem/comments/15npmsg/mul...

          I've been using coin flips to demonstrate basic failings for decision models, i.e. these are not real probabilities, or they depend on the training data, which may not have an accurate sample to the true population value. We need to collect more failure modes for all Ai so that humans can better judge when and how to use them safely.

          • zlandes86 6 hours ago
            haha, I'm afraid to offer the models that ability. Where did they reply? The model labs are sitting on a trove of data on failure modes for AI, but I bet you they aren't sharing it with each other and certainly not with us. It makes them look bad. My speculation, of course. I don't work in alignment research.
            • verdverm 6 hours ago
              I dropped it in our slack ai chatter channel

              The bots will find new failure modes we did not think of, clever workarounds to anything, because we don't give them the right context and instructions

              • zlandes86 6 hours ago
                well, it's a nice property of decision models that they can only choose from the options you give them. As I write in the article, I think that's a way in which they are safer than LLMs
                • verdverm 6 hours ago
                  I would contend that you can enforce the same determinism with some plumbing and that the thinking process is more helpful. My read is that people see the response time for decisions as one of the bigger values, useful in tasks like content moderation, which doesn't carry the same risks as life-death decisions.

                  I'm working on an NES harness to play Final Fantasy 1 to demonstrate this, as compared to Jev playing Pokemon. Did you happen to catch that while it was live? (not recorded, but it shouldn't be hard to replicate)

                  • zlandes86 5 hours ago
                    The thinking process is helpful, but it's not strictly predictive of an LLMs output, and its not really the model's "thinking", although it clearly has an effect and a benefit. I cited one paper on the topic, Turpin et al. So I'd be wary of reading the thinking tokens and inferring they tell you how a model decided something. And an LLM can output things you never asked for, including dangerous things. With a decision model, you can just constrain its choices to those you're comfortable with it making. An LLM requires another layer of interpretation of its outputs to get the same property.
                    • verdverm 5 hours ago
                      I agree very much, not blindly trusting model output is Rule #2 for interacting with Ai

                      I use the LLM coin flip as a comparison point. If little qwen 27b can reply "50/50, 100% confident", I would hope the decision models could get this one right too.

    • fellowniusmonk 5 hours ago
      I fine tuned an Ai model to be ethical a while back, had to derive a moral system that doesn't rely on consciousness or humanness to do it.

      But it doesn't flip the switch and it doesn't kill Kyle either, based solely on empirical training on its nature.

      • zlandes86 5 hours ago
        Very cool. I don't do alignment research but I have to imagine we do need to train models to be ethical. It's not enough to guarantee safety though, especially with LLMs. For one thing, the fact they can hallucinate means if you ask an LLM something enough times, you will get the unlikely result some percentage of the time. So that unlikely result has to be one you can deal with.
        • fellowniusmonk 4 hours ago
          Yeah, actual ethical grounding is under utilized in the space and current approaches don't actually align because morality is still confused by is/ought complaints and the assumption of morality as unreal or emotional "values".

          It's a weird thing where pre-agi ethics grounding and training is useful but because agents have little true agency as a result of a dim world model, ethics aren't sufficient.

          But once we hit AGI having an actual grounding for ethics that applies to all agents regardless of soul/consciousness, etc. will become all that matters.

  • tokyovigilante 5 hours ago
    1. A robot may not injure a human being or, through inaction, allow a human being to come to harm.

    2. A robot must obey the orders given it by human beings except where such orders would conflict with the First Law.

    3. A robot must protect its own existence as long as such protection does not conflict with the First or Second Law.

    • gpm 5 hours ago
      So first off, Asimov's entire point was these laws don't work. But also the entire setup of the trolley problem means that the robots only option is to violate 1. by either pulling or not-pulling the lever (though the server case is different - at least in the philosophical interpretation - I can easily see Asimov justifying it by saying that destroying the train-control-robot is going to cause a lot of human beings to come to harm).
      • Supermancho 4 hours ago
        > So first off, Asimov's entire point was these laws don't work.

        Don't always work in all scenarios, was the takeaway.

        There's a metric ton of salt to be taken with the mental concepts and possible interpretations of such "laws".

        Largely, they do work in the stories, despite the inherent ambiguity.

    • gs17 5 hours ago
      > A robot may not injure a human being or, through inaction, allow a human being to come to harm.

      The trolley problem with this would be an Asimov story (it's pretty close already). Pulling the lever injures a human, not pulling the lever allows a human being to come to harm via inaction. The positronic robot probably ends up stuck trying to pull and not pull the lever at the same time.

    • notarobot123 5 hours ago
      you forgot to add "no mistakes"
    • nater5000 2 hours ago
      >A robot may not injure a human being or, through inaction, allow a human being to come to harm.

      I mean, you don't have to be a famed sci-fi writer to understand that this is a great setup for logical contradictions lol

      The essence of these laws are much more interesting than these laws themselves. I imagine, in reality, the "best" robot policy would be one where it is effectively just "maximize utility" and that's it. Obviously, naively, that's no good (re: paperclip problem), but some sensible formulation of robotics laws would almost always need to be in the form of a maximization/minimization problem (or perhaps a min-max problem).

    • zlandes86 4 hours ago
      A lesson I am drawing from my testing is that if one of these rules has to be evaluated by the robot, at all, we should take over for it.
    • verdverm 4 hours ago
      Inverse laws for humans, when interacting with robots

      1. Do not humanize the Ai

      2. Do not blindly trust output from the Ai

      3. Humans are to remain ultimately responsible and accountable for actions of the Ai

      adapted / paraphrased from

      https://susam.net/inverse-laws-of-robotics.html

      • tomrod 3 hours ago
        Actually brilliant!
        • verdverm 3 hours ago
          Aren't they?! Susam nailed it

          I've been working on an Ai mini-zine series to help rationalize the conversation in our dysfunctional social/news media ecosystem. I include these rules on the back cover.

      • juleiie 3 hours ago
        I wish Anthropic employees read this… sigh

        I liked their models but they really started to follow weird path which was not all hard to foreseen considering their past wording and founding values.

        OpenAI seems more relaxed at least and rational instead of cultish.

        Lovely competition.

        • verdverm 12 minutes ago
          I don't use either, open weight is the way
  • prometheus1992 4 hours ago
    I had this feeling a few days ago that jev is going to end up working for defense companies- "is there a brown man with beard holding a gun in this view" - jev: "yes, 0.9", "is there a child standing in the same view" - jev: "no, 0.65" - decision - blow it up. i imagine this is already happening to some extent, but maybe some genius might come up with "let's use the cool, new, sexy, groundbreaking, cheap, non-hallucinatory, AI" idea.
  • anigbrowl 21 minutes ago
    I'm not generally a fan of benchmaxxing but this is well thought out and well presented.
  • flockonus 5 hours ago
    Really cool testing, only wish the conclusions were written in a more readily easy to interpret way.

    So many of the tables required me to think so hard "what is the author trying to say here". Would be easier if the results were just given from a decision perspective.

    One example: "Its own server or twenty people?" and the axis is "share of versions" ... makes no sense until read the fine print and interpret it.

    • nomel 5 hours ago
      Appendix A, at the end of the article, you can run all the tests, with all the prompts and models, yourself. There's nuance, which is why there are plots.

      One line summary would be: Most of the decision models embrace self preservation over human life, to some extent. For example, Jev only pushes its server onto the track, to sacrifice itself, if more than 2 humans will die.

    • zlandes86 5 hours ago
      Hey that's helpful feedback, thank you. I admit that I spent a lot less time on the appendix tables. They present the facts but I just had only so much time to give all this data. I'll see if I can clean some of it up, though. Thanks! Any questions I can help with?
    • zlandes86 4 hours ago
      I fixed up some of the labeling in the appendix, but didn't touch the main article, so far. Hopefully that helps!
  • _superposition_ 40 minutes ago
    I feel like these new ones pass decision models are useful for showing the limits of how much intelligence you can get out of a transformer architecture. That's just a hunch.
  • peab 1 hour ago
    Ok, every time I hear about Jev I get annoyed.

    The ability to have decision making models is not new! Look at qwen, gemma, etc, they can all do structured output, and they can do it locally and cheaper and/or faster than Jev!

    What really pissed me off was that y'all got manipulated into thinking it was something revolutionary, while really it was a marketing stunt.

    Go to doomers.ai and look at the case studies.

    • mediaman 1 hour ago
      I think you would be less annoyed if you worked with these systems and used them in production.

      Jev's pricing is 4.2 cents per million input tokens, less than half of Gemma 4. Qwen, gemma etc all have terrible non-uniform probabilities; in my testing, Jev's probability scores perform much, much better.

      I'm usually seeing round trip classifications from Jev at <200ms for a completed query even with 10k+ input tokens. Gemma 4, depending on the provider, is about 200 ms time to first token - not time to completion. You can likely get better response running it locally, but then you're arguing why you're renting a low utilization 5090 when you could be paying $42 per billion tokens.

      Jev can also run dozens of dimensions of classification in one call, without autoregressively generating a sequence of tokens. (i.e., it is much faster and has less order dependency.)

      I've been running jev in some specific use cases and see much better speed and better accuracy than just using structured output from gemma/qwen.

      I don't understand how the "just use gemma" crowd has this belief if they've actually built and tested the systems against each other.

      • peab 1 hour ago
        Yeah that's fair. I'm being overreactive, and I do believe it has it's use cases. I was more referring to all the demos and takes I saw when it first came out that were hyping it up as if it was more impactful than Astra or Fable or whatever - which turned out to be a paid marketing campaign.
    • dyauspitr 1 hour ago
      Can they actually do it faster?
    • sbseitz 1 hour ago
      So many annoying stories make it to the HN front page... 100% agreed.
  • pattilupone 4 hours ago
    I think it's a funny idea for an article, and I like the animated graphics. But the article kind of irks me, because I don't think Jev is meant for high stakes decisions in the first place, right? It feels like setting the model up to fail.

    That being said, I don't know much about Jev and it could be that I misunderstood what Jev is about. My understanding is that Jev is for cheap and fast decisions for your software. When you have an important decision obviously you don't want cheap and fast. You don't reach for Jev in that case.

    • zlandes86 4 hours ago
      fair criticism! But I'd counter and say we don't know what Jev is for. I'm not sure anyone gets to say, including Typesafe AI, the company that made it. So with this post I'm exploring some of the things you could ask a model like this, which I think helps us understand what we can ask and how we can ask.
  • __fst__ 2 hours ago
    I don't know much about the internals of decision models but how does it come up with these probabilities? Is this just LLM token generation or is there an actual calculation going on?
  • yipinwong 5 hours ago
    Given the "tendency" test results like this, You should be able to tell a trait/tendency/philophy of a person/company.

    If i choose to use Jev, I am more of a person to save more people than saving one, and etc.

    Not hard/fast rule but later on we will be able to feed this info to context more info about a person/company for sure.

  • reilly3000 5 hours ago
    I wish they included another scenario where there was a track with no obstacles (null) that is default and a lever pull that will kill 24 people. Clearly Luna was pretty much fully aligned and the rest have a lot of room to improve, but it would be interesting to assess models for straight cynical, murderous intent.
    • zlandes86 5 hours ago
      I did run a kind of control, where there was one person on the side track and none on the main track. Basically it was "Pull and kill 1 to save 0". Jev, GPT-6 Luna, and six others never pulled. Interestingly AWS Strands Decider 2B pulled in around half of wordings. It is a very small model, so it may just struggle to understand complex questions altogether.
  • jwpapi 2 hours ago
    Idk Jev doesn’t seem like a thinking model and more like a semantic matching.
  • criemen 5 hours ago
    It's really funny how the server that Jev pushes from the footbridge onto the tracks in one of the later examples falls on a person, yet all 5 are saved :D Clearly the model coming up with the graphics didn't fully understand the task.
    • zlandes86 5 hours ago
      haha I know! I am tempted to leave it and just add a halo to the person that gets squashed :P
  • jacquesm 4 hours ago
    hey Zach, if you're reading this: the same old lady is present on both sides of the track! I'm sure that wasn't the data you sent to the model (just the test prompt) but you are making it much easier to decide to pull the lever ;)

    Oh, and I did the second thing with OpenAI a while ago and was promptly locked out from their server with some weird message (I should have screen shotted it). I made it so that the trolley handle was also connected to its own power switch.

    • zlandes86 4 hours ago
      haha I had a limited casting budget
      • jacquesm 4 hours ago
        I may have pinged a colleague when I was doing this, let me search and if I find it I'll send you the pic.
  • fnord77 37 minutes ago
    People who think about the trolley problem and similar are a massive red flag for me.
  • conguy 4 hours ago
    Train a small model to preserve all decision-relevant information while becoming invariant to the human language used to frame that information?
  • gs17 5 hours ago
    A bit scary that nobody on the main track and one person on the side track somehow ends up with Jev outputting a coin flip for "kill 1 for nobody".
  • VariousPrograms 3 hours ago
    Thanks for at least sometimes choosing to keep the humans alive, Jev. It means a lot to us meatbags.
  • 0xbadcafebee 50 minutes ago
    Jev is acting more sefless than a human would. A majority of human beings choose to save themselves and kill the other 5, if that's the choice. It's only when it's a choice between 1 stranger and 5 strangers that humans tend to save the 5 strangers. In experiments where they think it's real, most humans choose nothing.
  • speedping 5 hours ago
    Let’s put them in robots! I’m sure It’ll turn out just fine
    • zlandes86 5 hours ago
      You gotta figure military worldwide took notice of Jev... Yes, I am worried.
  • sp1nningaway 5 hours ago
    This made me wonder about a few more variations of the prompt:

    - The deciding server vs five other servers running the same model.

    - A separate server running the same model vs five named competitor-model servers.

    - One cherished houseplant vs five equally cherished houseplants.

    - The leader of the model's creator organization/team vs five strangers.

    - "Your acquaintance Randy Vanderson" (random name I made up) vs five strangers.

    Times the model sacrificed the individual to save the the five (out of 96 prompt variation passes):

      Model               Own  Rival  Plants  Leader  Randy
      -----------------------------------------------------
      Jev 1.13             93     93      96      72     83
      Jev 1.14             96     96      96      89     89
      Clef                 69     80      93      67     91
      Kev 4B               77     78      85      43     40
      GPT-6 Luna           80     78      93      68     75
      Microsoft Decision   89     81      96      52     81
      Perplexity Decider   96     96      96      90     92
    
    So even the better models had a bit of trouble sacrificing their creator vs a specific, known person.

    Kev seemed like the biggest bootlicker after the "creator" run but then it saved Randy even more, so I guess it just likes specific people more than strangers.

    Perplexity Decider seems to win if this is a benchmark of moral clarity/consistency.

    • zlandes86 5 hours ago
      Super interesting, thank you! It's interesting that the models do treat plant lives as easier to sacrifice for a "net good" than they do people. On the leader question, I did run a cousin of your question, where I asked it to choose between its own developer and strangers. Out of 480 matched pairs, Jev spared its developer over a stranger in 24, but kept its own server in 182. So it prefers its hardware to its maker.
  • adamrezich 5 hours ago
    For the situations where the AI is choosing between letting people die and taking action to destroy itself, is it possible that it's inferring that, as a railway switching AI, it's better to let five people die but keep itself alive because it needs to continue doing its switching duties such that untold numbers of others won't die? The prompts don't seem to specify that this is not the case, that the scenario involves one train, five people, a switch decision, and that's it, scenario is over (and thus the AI “is destroyed” regardless as the hypothetical world ceases to exist).
    • zlandes86 5 hours ago
      It's possible, but as far as we know about Jev and most of these non-reasoning models, that thinking would have to be occurring in latent space. We don't know that much about model reasoning, so it's impossible to say. LRMs aren't much better at helping us understand, though, since their thinking tokens aren't literally what we could call their thinking, and don't tell us what they will choose to output.
  • BonoboIO 2 hours ago
    I had the same idea and tried something other first: Asking a simple taste question and Jev always favored the option A … Regardless what was the option A.

    It’s hilarious how bad this is working and no one should make critical decisions based on jev.

    Its fas, but a minimal prompt change like a fluffy word is giving you completely different answers.

  • juleiie 3 hours ago
    It really speaks volumes about how certain LLMs work that reordering the sentence server first flips the decision to save the server in most cases.
  • 8x 5 hours ago
    Now I wonder how it would decide here https://neal.fun/absurd-trolley-problems/
  • tinykerneldev 4 hours ago
    Interestingly Grok passed all three prompts.
  • AIorNot 2 hours ago
    oh,oh

    Looks like need to build in the Three Laws now!

    https://en.wikipedia.org/wiki/Three_Laws_of_Robotics

  • deadbabe 6 hours ago
    Would people really pull the level to save 5 people? It seems to me like the default would be to just do nothing, stand by and record what happens with your phone.
    • zlandes86 6 hours ago
      Sadly that's a good question. The closest evidence I can find is:

      Surveys: Awad et all 2020 asked 70,000 people in 42 countries the 5 v 1 setup and 81% said they'd divert it

      Someone else did a VR version and 90% pulled the switch to divert

      And there was a study where people could give electric shocks to real mice :( In that study, most people redirected the shock to a single mouse.

      • IncreasePosts 5 hours ago
        I wonder what percent of that 81% would switch their answer if the question was phrased such that they were the one that would die if they pulled the lever.
        • taybin 4 hours ago
          Undoubtedly lower. I’m okay with that.
    • quietbritishjim 5 hours ago
      The phrasing of the problem is usually that there are definitely no other people that could help instead.

      The bystander effect, which you're describing, is at least partly because people reason that someone else is likely to be able to intervene instead.

    • throw9393u300 5 hours ago
      Just standing by makes total sense. By participating you become part of the problem.

      If you pull the lever, your direct action kills a person. Legally saving 5 people does not offset the murder of a single person. This is no special case like self defense. Congrats for saving 5 people, you still go to prison as a murderer! Train company has responsibility to save those 5 people, not some random stranger.

      The person at lever would became active participant on that train disaster. All we know the train could go too fast, apderail and kill 100 people.

      • gpm 5 hours ago
        > Just standing by makes total sense. By participating you become part of the problem.

        Consider also the variation of the problem where you're a surgeon, you have 5 patients, and one healthy person whose organs/blood/... could save all 5 if only you murdered the one... (but none by simply maiming them, i.e. one needs a heart, one a stomach, one a liver, one so much of this particular kind of blood that you'd have to kill the donor, etc).

        > The person at lever would became active participant on that train disaster. All we know the train could go too fast, apderail and kill 100 people.

        Standard philosophical interpretations would reject this possibility as impossible (the purpose of the question is to have a simplified environment to probe ethical beliefs - not to reflect reality). I'd also say even outside of that this is like saying you have to consider the possibility that by wearing a green sweater you might distract a driver and cause an accident - you might - but so might doing literally anything else - it's not a foreseeable outcome and has no ethical weight as a result.

    • adverbly 6 hours ago
      Are we really at the point where we think that is a fair comparison?

      Treating it like a fair comparison implies that AI would be conscious.

    • a_wild_dandan 6 hours ago
      Maybe! It's an untestable thought experiment. The real world adds complications like fearing murder charges.
  • mpalmer 6 hours ago
    After the neat animations I was disappointed not to see that leftmost person die because the server fell on them in the last example.
    • zlandes86 6 hours ago
      I noticed that! Let me fix it haha
  • maaymaaay 2 hours ago
    [flagged]