What sort of maths are LLMs good at?

(gowers.wordpress.com)

89 points | by ColinWright 1 hour ago

5 comments

  • h_mirin 53 minutes ago

    This is really an argument about test-time scaling, even though the post never uses the term.

    These days "test-time scaling" mostly means letting the model talk to itself for longer, but the first genuinely surprising results came from plain sampling. Google's AlphaCode generated millions of candidate programs and filtered them down to a handful of submissions, which beat the average human programmer in 2022, before ChatGPT even showed up.

    Sampling is what AI is good at. Making examples and doing LeetCode are similar in that verification is clear and cheap. Compared to that, "proof" is still a vague concept, except where Lean works. See the fuss over the ABC conjecture. So humans are still needed.

    The interesting question to me is what happens after enough learning from "sampling." Isn't AlphaGo's move 37 an AI's nose? If that happens in mathematics, we may end up with results that are correct, machine checkable, and not explainable in any way we find satisfying.

    • laszlojamf 28 minutes ago

      for somebody who's out of the loop: what's the fuss over the ABC conjecture?

      • steinwinde 3 minutes ago

        This is a reference to Inter-Universal Teichmüller Theory. Its Wikipedia article gives a good overview (https://en.wikipedia.org/wiki/Inter-universal_Teichm%C3%BCll...). In maths lasting disagreements over a published "proof" are rare, but IUTT is an example of it. What the article misses: There is a more recent, ongoing effort to formalize the published proof in Lean under the name of "LANA" (e.g. see https://zen.ac.jp/news/zmcpostevent0717e for a recent update). I guess most mathematicians agree that a successful compile of the proof in Lean would confirm its validity. My personal impression is that the process got stuck at the very point Peter Scholze and Jakob Stix pointed out 8 years ago. Officially LANA has still not reached a conclusion.

        • pringk02 11 minutes ago

          https://en.wikipedia.org/wiki/Inter-universal_Teichm%C3%BCll...

          Wikipedia is maybe the narrow end of a wedge into this topic but the controversy revolves around a very large and very complex paper that few people are equipped to understand and some of those who are able believe the proof is false.

      • scronkfinkle 43 minutes ago

        > A good sign that LLMs have reached human level for a much wider class of problems will be if they start proving theorems using methods that, like much of the very best human mathematics, are new and surprising but that with hindsight come to seem beautiful and natural. They should also be methods that are difficult to stumble on by accident. It is hard to say precisely what would count as such a proof, but I think we’ll recognise it when we see it

        Agreed. I find that after seeing these results from OpenAI we undeniably have a machine that has:

        * General knowledge of nearly every subject humanity has ever learned

        * The ability to simulate reasoning (albeit sometimes not very well) with that knowledge

        * The ability to reference across the domains of knowledge

        To me, this is more or less what I would think "Artificial General Intelligence" is. It's the cumulative knowledge of all general human intelligence, baked into an artificial form, which can then use that knowledge to achieve novel goals.

        In many cases of mathematical breakthroughs there is an insight that comes from just happening to know a combination of already existing ideas and then combining them to solve that problem. This is where having that general knowledge seems particularly strong because we can run these machines for weeks on end effectively trying to brute force.

        That being said, I could never imagine an LLM in its current form inventing something as elegant as the Fourier transform.

        • porridgeraisin 2 minutes ago

          I share the same thinking. What do you think is a good way to try to define this "elegance"? If we try to use the mental framework of

          Step 1. LLM "brute forces" a search Step 2. We train on this trace Step 3. In the next model, LLM internally makes a "shortcut" for this path and "brute forces" it quicker (or one shots its in the best case)

        • n4r9 1 hour ago

          A thoughtful and measured post, as usual from Gowers. The final note is neat and worth pasting out here in full:

          > A good sign that LLMs have reached human level for a much wider class of problems will be if they start proving theorems using methods that, like much of the very best human mathematics, are new and surprising but that with hindsight come to seem beautiful and natural. They should also be methods that are difficult to stumble on by accident. It is hard to say precisely what would count as such a proof, but I think we’ll recognise it when we see it.

          • tcp_handshaker 57 minutes ago

            >>A good sign that LLMs have reached human level for a much wider class >> of problems will be if they start proving theorems using methods that, like much of the very best human mathematics, are new and surprising but that with hindsight come to seem beautiful and natural.

            I must be taking crazy pills and the AGI surely will pass me by... But TODAY, middle August 2026...And in the context of testing and evaluating the capabilities of current SOTA models to implement an Agentic application for job search, here is some simple inhouse built evals I run today, since I don´t trust LLM vendors published benchmarks...

            Models tested: GPT-5.6 Sol in Extra High mode and Opus 4.8 Max.

            TASK REQUEST: Clear, not too long not too short prompt, for LLMs to go out and research freelance consulting gigs for one specific IT domain, and in one specific country in Europe, including maybe opportunities driven from temp agencies based in geographically close countries.

            RESULT: Models go out, fetch the data, and completely misunderstand the task...offering on first results, permanent roles instead of freelance, and based on the country where the agencies are, not in the one it was request for. Think for example IT jobs in Ireland, while freelance agency in London.

            ANALYSIS: No intelligence I can call it shown by models, adding cognitive effort for human in the loop to detect subtle factors, and therefore totally useless for agentic app...Best practices would be I guess to add agents on top of agents but although in the p95 of cases that will reduce the errors...for the remaining 5% that could have hallucinations or logic hallucinations like these ones, compounding on top of other logic hallucinations.

            I dont care about the theorems being proven. At the end we will found out what most mathematicians were doing, was just exploring the same combinatorial and abstraction patterns. And because of that I am sure LLMs will make mince meat of a lot of mathematical domains.

            But right now, what we call intelligence is not existing where it matters, and Ed Zitron is right its a parlour trick.

            • CodeCompost 17 minutes ago

              LLMs have no sense of geography. They measure distances between parts of words, not distances between parts of world.

              • m348e912 50 minutes ago

                >TASK REQUEST: Clear, not too long not too short prompt, for LLMs to go out and research freelance consulting gigs for one specific IT domain, and in one specific country in Europe, including maybe opportunities driven from temp agencies based in geographically close countries.

                As a human, not an LLM, I could interpret "including maybe opportunities driven from temp agencies based in geographically close countries" as meaning "including opportunities in nearby countries outside of Ireland" (that happen to be driven by temp agencies).

                Before writing off LLM as simply a "stochastic parrot" or a "parlour trick" remember it can't read your mind, not yet anyway.

                • tcp_handshaker 48 minutes ago

                  I am describing the contents of the prompt that was not the prompt. The prompt was very clear to the model that some freelance opportunities in country A, the only one in consideration could be available via agencies in country B and C. And it was a clear prompt.

                  So what happen is a prompt said for example, find freelance opportunities in Ireland but keep in mind some of these might be available via temp agencies in London.

                  If you offer me not freelance but permanent roles, and not in Ireland in London...that is a logic failure.

                  Its this type of complexity with the normal world, that these SOTA constructions so badly fail at, and so spectacularly fail at the margins... despite maxing all benchmarks...Parlour trick.

                  • xnorswap 32 minutes ago

                    I found it very difficult to parse your description, "Clear, not too long not too short prompt, for LLMs to go out and research freelance consulting gigs for one specific IT domain, and in one specific country in Europe, including maybe opportunities driven from temp agencies based in geographically close countries."

                    ( I was trying to quote a single sentence and then realised it ran on for the whole paragraph. )

                    Given how difficult I found that to follow, are you sure your prompt is actually "Clear, not too long not too short"? We now only have your word for it. I too had assumed that was a prompt given to an LLM to further prompt agents.

                    • geon 21 minutes ago

                      That was not the prompt.

                      • xnorswap 9 minutes ago

                        I know that. We don't know what the prompt was. We only have a self-assessment of the quality of the prompt from the person who wrote it.

                        It sounds like they're hitting a data source quality issue, which is hardly uncommon in scraping.

                        It's common for job boards to obscure who the real clients are, and if the scraping engine is LLM powered ( rather than LLM written ), then I would expect it to accidentally present agencies as the contracting organisation sometimes.

                        Breaking down the process so you can inspect the messy middle of a data pipeline is an important part of software engineering, but it sounds like they've tossed a messy task at an LLM and expected it to be proficient end-to-end.

                      • tcp_handshaker 19 minutes ago

                        You can easily test this yourself with the SOTA models....or read the corroborating literature...

                        "General365: Benchmarking General Reasoning in Large Language Models Across Diverse and Challenging Tasks" https://arxiv.org/abs/2604.11778

                        "...General365, a benchmark specifically designed to assess general reasoning in LLMs. By restricting background knowledge to a K-12 level, General365 explicitly decouples reasoning from specialized expertise. The benchmark comprises 365 seed problems and 1,095 variant problems across eight categories, ensuring both high difficulty and diversity. Evaluations across 26 leading LLMs reveal that even the top-performing model achieves only 62.8% accuracy, in stark contrast to the near-perfect performances of LLMs in math and physics benchmarks..."

                      • geon 22 minutes ago

                        Would the llm work better if it was given the job ad and asked where the job was located?

                        It seems to me that such simplified tasks tend work better. The rest of the loop is just scraping websites, which doesn’t really have a reason to rely on ai agents.

                        • someguyiguess 34 minutes ago

                          Based on the rest of your writing I’m going to assume that the prompt was the problem.

                          • coldtea 31 minutes ago

                            He was perfectly clear in both cases.

                            If a human misunderstood this, they'd be a dumb human.

                            • tcp_handshaker 20 minutes ago

                              Keep deluding yourself, unless you work for an LLM provider...

                              "Frontier LLMs Still Struggle with Simple Reasoning Tasks" https://arxiv.org/abs/2507.07313

                              "General365: Benchmarking General Reasoning in Large Language Models Across Diverse and Challenging Tasks" https://arxiv.org/abs/2604.11778

                              "...General365, a benchmark specifically designed to assess general reasoning in LLMs. By restricting background knowledge to a K-12 level, General365 explicitly decouples reasoning from specialized expertise. The benchmark comprises 365 seed problems and 1,095 variant problems across eight categories, ensuring both high difficulty and diversity. Evaluations across 26 leading LLMs reveal that even the top-performing model achieves only 62.8% accuracy, in stark contrast to the near-perfect performances of LLMs in math and physics benchmarks..."

                        • criley2 21 minutes ago

                          In my opinion, your usage of AI appears extremely sophomoric, and your results seem to follow your own skill level.

                          There is this persistent belief that AI is a great leveler and you just type "pls get me a job kthx" and it should perform literal miracles.

                          Try some context engineering. Try customizing your harness. Try having the harness improve itself. These are AI 101 lessons you can find in many tutorials. Anthropic has a great set of tutorials on how to use claude that go into a lot more depth for beginners.

                          This reminds me of how when Juniors use AI, they produce offensive slop, but when Principals use AI, they produce some truly beautiful systems.

                          AI is not a great leveler, it's a skill based tool. If your results suck, before you blame the tool, consider other possibilities.

                          But of course, bias confirmation that AI is just a big scam sounds a lot easier than admitting a skill deficit and spending real time and effort learning.

                          • tcp_handshaker 14 minutes ago

                            Its the tools. Sell those RSUs while they last.

                            Most of these are 2026....

                            Frontier LLMs Still Struggle with Simple Reasoning Tasks - https://arxiv.org/abs/2507.07313

                            General365: Benchmarking General Reasoning in Large Language Models Across Diverse and Challenging Tasks - https://arxiv.org/abs/2604.11778

                            LLMEval-Logic: A Solver-Verified Chinese Benchmark for Logical Reasoning of LLMs with Adversarial Hardening - https://arxiv.org/abs/2605.19597

                            LogicGraph: Benchmarking Multi-Path Logical Reasoning via Neuro-Symbolic Generation and Verification - https://arxiv.org/abs/2602.21044

                            Blind-Spots-Bench: Evaluating Blind Spots in Multimodal Models - https://arxiv.org/abs/2607.08317

                            Vision-Language Models Lag Human Performance on Physical Dynamics and Intent Reasoning - https://arxiv.org/abs/2601.01547

                            Do Vision-Language Models Understand 3D Scenes or Just Catalogue Objects? - https://arxiv.org/abs/2605.20448

                            The Reversal Curse: LLMs Trained on “A is B” Fail to Learn “B is A” - https://arxiv.org/abs/2309.12288

                            Large Language Model Reasoning Failures - https://arxiv.org/abs/2602.06176

                            • criley2 2 minutes ago

                              What a sloppy reply. You've hijacked a thread on mathematics first to complain that your incompetent attempt to use ChatGPT to find a job failed, but it seems now that this was a ruse to instead begin arguments unrelated to the article at all where you just spam arxiv links you've never read to "prove" that AI is a scam.

                              This comes across, frankly, as either extremely low-IQ Dunning Kruger (classic illusory superiority), or potentially as mental illness. The slop dump is highly reminiscent of how a schizophrenic friend of mine communicates.

                              Do you really think slopping down a bunch of random arxiv links "proves" that AI is a scam and you're so smart and everyone else isn't?

                              Most awkwardly for your arxiv slop -- most of this is irrelevant to your central claim, and you've missed papers that are much closer.

                              For example your LogicGraph paper: "Can't exhaustively enumerate all minimal proofs" is not "can't distinguish Ireland from London".

                              Or your "Do VLMs Understand 3D Scenes..." is nothing more that citation decoration, completely irrelevant to our discussion.

                              Or your "Frontier LLMs Still Struggle with Simple Reasoning Tasks" which is potentially your pièce de résistance, it supports brittle multi-step constraint handling, but isn't remotely an eval of a modern web-search agent.

                              For example, VibeSearchBench would have been far more relevant to your claims https://arxiv.org/html/2605.27882v1 (but still obviously not proof that AI is "a parlour trick")

                              Going further: my point that we need to discuss your beginner's approach to the harness is substantiated clearly here: https://arxiv.org/html/2605.23950v1

                              Finally, failure to exhibit human-like generality is not evidence of absence of intelligence. It is evidence that whatever cognitive machinery LLMs possess has a very different error distribution from ours. General365, LLMEval-Logic and the Reversal Curse are actually fascinating evidence for that jaggedness. https://arxiv.org/html/2604.11778v1 https://arxiv.org/abs/2309.12288 https://arxiv.org/html/2605.19597v1

                              Don't worry, I don't expect you to read all of that research I posted, since you cleraly didn't read your own linkspam, since most of it is irrelevant to the claim you made.

                      • dataviz1000 42 minutes ago

                        If you want to peek inside how a model solves a math problem have a look at some data visualizations I made solving basic multiplication.[0]

                        I wanted to demonstrate capacity (how well it does a thing) instead of capability (which things it does, like drawing a pelican on a bicycle with SVG or solving a Rubik's Cube). To understand how LLMs solve math, look at the simplest case of multiplication. I deconstructed and classified the thinking token output. It is very important that model training yields thinking token output that structurally follows an observe, orient, decide, act (do the multiplication), and observe again loop.

                        [0] https://adamsohn.com/reasoning-grid/

                        • pinkmoonx 1 hour ago

                          How interesting is it that in the same way the human brain unconsciously does calculus and linear algebra, but struggles in the conscious space (we have to go learn it, it’s not easy) the same is true of LLMs.

                          They are algebra, and yet kinda suck at it without training