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GLM-4.5: Reasoning, Coding, and Agentic Abililties
- 44za12 1y agoAlright, plugged it to claude code ready for some tests, forget claude if it’s better than even Kimi, it’s going to be my go to.
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- bluelightning2k 1y agoWe have x.ai and z.ai, but why? (Sorry... dad joke.)
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- Aeroi 1y agoHas me ready to order a m.ai t.ai
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- deepsquirrelnet 1y agoNot me, gonna watch my favorite sport j.ai al.ai
- bbor 1y agoA) heh. Always love a good dad joke, never apologize! I'm not sure many zoomers made it on here anyway, lets be real. B) That's honestly interesting, to be boring for a moment. I've been fascinated with super basic names ever since I saw Vercel's giant billboard in the center of SF bragging about snagging `ai` on the npm registry! I thought single-letter domain names were banned in the 90s except for a handful of grandfathered ones, but turns out that was just for .com and .net[1] -- .ai is open for business! So far, wikipedia just lists c.ai (CharacterAI) and x.ai (Grok), so I'll have to add this exciting new one to the list. Towards your joke, y.ai is for sale by a Chinese phone number, and it seems interest has shot up in reaction to GLM4.5! Of the rest, - Broken apps/underused: a, d, f, i, l, t, v - For sale from China for best offer: b, h, k, k, m, n, u, y - For sale for a specific value: j: $3M (!!!) - Used: - c: CharacterAI - e: An everything app? - g: Google (of course) - o: some very rich guy[2] who also owns "Neuro.ai" & "Soul.ai" and makes chat avatars - p: marketing SaaS that redirects to programmai.com (baffling choice) - q: ...something ominous?[3] - r: E-Commerce SaaS - s: some *awesome* activist programmer named Sai's old-school landing page (by far the best one!) - w: distributed computing project to "build distributed superintelligence" - x: Twitter - z: The third largest AI company in China![4] Honestly my biggest takeaways are 1) Someone in China had the prescience to go on a buying spree, and 2) not a single YCombinator firm snagged one! I guess "needs YCombinator" and "has millions to spend on a vanity URL" turn out to be mututally exclusive descriptors... [1] https://en.wikipedia.org/wiki/Single-letter_second-level_domain https://en.wikipedia.org/wiki/Single-letter_second-level_dom... [2] https://www.crunchbase.com/person/jason-hadjioannou https://www.crunchbase.com/person/jason-hadjioannou [3] https://www.linkedin.com/company/q-a-i/about/ https://www.linkedin.com/company/q-a-i/about/ [4] https://en.wikipedia.org/wiki/Zhipu_AI https://en.wikipedia.org/wiki/Zhipu_AI
- Dowwie 1y agochat with the model here: https://chat.z.ai/ https://chat.z.ai/
- SubiculumCode 1y agoChinese company? Kind of hard to pin down.
- sebdufbeau 1y agoOpenRouter says Singapore
- rfoo 1y agoZhipu is the most Chinese company out there. Almost all of their fund is from state-owned entities now.
- MaxPock 1y agoThis is from Tsinghua University which shows just how much AI talent depth the Chinese have.
- esafak 1y agoThey're tied for first place this round (LLMs) and are poised to win the next one (robotics).
- arresin 1y agoI guess that’s the one of the benefits of their political system. Once they have a clear focus they can go all out on it—-instruct all high schools to start teaching it, etc
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- tough 1y agoyep this literally happens with both AI + robotics at the government + education + business + district levels
- axiosgunnar 1y ago[dead]
- nubg 1y ago@simonw where pelican
- qingcharles 1y agoI've been testing the "supposed" GPT5 models and their pelicans were weak :( Here's the output from z.ai -- I thought it was pretty cute: https://imgur.com/a/aRXwAUi https://imgur.com/a/aRXwAUi
- turingbook 1y agohttps://simonwillison.net/2025/Jul/28/glm-45/ https://simonwillison.net/2025/Jul/28/glm-45/
- mg 1y agoI just added it to Gnod Search for easy comparison with the other public LLMs out there: https://www.gnod.com/search/ai https://www.gnod.com/search/ai Interesting that they claim it outperforms O3, Grok-4 and Gemini-2.5-Pro for coding. I will test that over the coming days on my coding tasks.
- zRzRzRzRzRzRzR 1y ago[dead]
- esafak 1y agohttps://openrouter.ai/z-ai/glm-4.5 https://openrouter.ai/z-ai/glm-4.5
- anizan 1y agoI am having some difficulties with it where it kept getting stuck on earlier chat and had to delete previous msgs on openrouter for it to continue. It surprised me with its technical stack understanding of complex startups and business understanding. whereas Claude looks up too much from web and then thinks and possibly gets influenced too much on whats there on web.
- emerald_rat903 1y agoI typed "Hello" in their chat [1] and it replied back with "Hello! I'm Claude, an AI assistant created by Anthropic. How can I help you today?" Hmmm.... [1] https://chat.z.ai/ https://chat.z.ai/
- e1gen-v 1y agoYeah I got the same result.
- exe34 1y agoI think it's been fixed already? I can't even convince it that its name is claude.
- koakuma-chan 1y ago> Hello > 你好！我是智谱AI训练的GLM大语言模型，很高兴见到你。 我可以回答问题、提供信息或帮助你完成各种文本相关的任务。无论你有什么需求，比如学习、工作还是日常问题，我都会尽力提供帮助。 有什么我能为你解答或协助的事情吗？
- BoorishBears 1y agoWith how common post-training on other models traces is, this doesn't really mean anything.
- oc1 1y agoWho cares if it's cheaper than claude
- quibono 1y agoThat is a very good point. I don't think you'd get any more robustness out of either LLM so why not simply go by price
- TrainedMonkey 1y agoI tried it thrice: > Hello! I'm GLM, a large language model trained by Zhipu AI. I'm here to help answer questions, provide information, or just chat about various topics. How can I assist you today? > Hello! I'm Claude, an AI assistant created by Anthropic. I'm here to help you with questions, tasks, or just to have a conversation. What can I assist you with today? > Hello! I'm GLM, a large language model trained by Zhipu AI. How can I help you today?
- turingbook 1y agoYou can run GLM-4.5-Air 4bit on Macbook Pro M4 Max 128GB for local vibe coding: https://x.com/ivanfioravanti/status/1949854575902523399 https://x.com/ivanfioravanti/status/1949854575902523399
- brailsafe 1y agoCool to know about, but I'm starting to get the impression that watching an LLM spit out hundreds of lines of rudimentary css is like the new buying a car to drive to the grocery store. When we look back on how we've trained ourselves to forget how to tolerate walking or design neighborhoods for livability, will we be happy we sacrificed the insects and air quality to do so? Not intended to be dismissive though, I do it, it's just getting kind of icky to me.
- TechDebtDevin 1y agoAlso no fun, I didn't learn how to code to be the project manager for an artifically intelligent machine.
- Den_VR 1y agoAnd what do you see yourself doing in 5 years?
- yahoozoo 1y agoStill saying “we must treat the LLM as a junior”
- brailsafe 1y agoSeems like you're being intentionally facetious, but the best output that I've seen from any of the llms is stuff that we did a ton of 5 or more years ago, which is great because we're still doing a lot of that, it just sometimes helps get it done a bit faster after going through the steps to learn how to do it manually and correctly.
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- cek 1y agoInteresting grammar and spelling (or lack thereof): > "OpenAI's GPT-3 learns commen-sense knowledge"
- algo_trader 1y agoAlso released the SLIME post-training recipe and library https://github.com/THUDM/slime https://github.com/THUDM/slime
- JaneHuo 1y agoThe architecture might not break any parameter records, but what impressed me is how well it handles multi-step reasoning in code generation. It feels efficient, clean, and very usable out of the box.
- TheAceOfHearts 1y agoTried it with a few prompts. The vibes feel super weird to me, in a way that I don't know how to describe. I'm not sure if it's just that I'm so used to Gemini 2.5 Pro and the other US models. Subjectively, it doesn't feel very smart. I asked it to analyze a recent painting I made and found the response uninspired. Although at least the feedback that it provided was notably distinct from what I could get from the US models, which tends to be pretty same-y when I ask them to analyze and critique my paintings. Another subjective test, I asked it to generate the lyrics for a song based on a specific topic, and none of the options that it gave me were any good. Finally, I tried describing some design ideas for a website and it gave me something that looks basically the same as what other models have given me. If you get into a sufficiently niche design space all the models seem to output things that pretty much all look the same.
- Imustaskforhelp 1y agoI mean, from what I've heard this is good for coding as the name suggests, I mean I don't know but these models are hyper optimized for coding and using them for other things will result in inferior results imo Maybe try qwen 235 a32 or some other model for general purpose since imo glm is focused on coding. The last task seems interesting, and yes maybe all of these are kinda the same in that aspect so idk. I won't lie but I like the simonw pelican's test by the full glm 4.5 as compared to the air. It looks decent imo.
- jadbox 1y agoFrom my tests, GLM tends to be best for server code or frontend logic. It's not very good at design tasks. It did make a killer chess app with UX, but I think it was just trained heavily for it.
- numbers 1y agobut can it answer basic history questions?
- pzo 1y agoWhen I use llm for coding I don't ask any history questions. For trivia and other questions you already have plenty of good models. This is a win even if you don't want to use it for coding. It will force anthropic hands to make better one or reduce pricing.
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- cheema33 1y agoIt is a Chinese model. We are all very shocked that it is censored! How could this possibly be? With that obligatory surprise and shock out of the way, I would like to inquire about the model's coding abilities. Has anybody actually used it for its intended purpose? How does it perform? Are there better models for this purpose at this price point?
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- nashadelic 1y agoThey're all censored, try asking "mainstream" models about current genocides and see mental gymnastics.
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- polotics 1y agoso sad, i had a few questions about the CCP, China's constitution, and very quickly on a very factual non challenging question:... Question: what proportion of the NPC's seats is held by the CCP? GLM-4.5 Uh-oh! There was an issue with the response. Content Security Warning: The content may contain inappropriate content. I could see some decent thinking in gray, but bam, all hidden in red. How many of the NPC's seats are held by the Chinese Communist Party is already too edgy. This is just sadness with Chinese characteristics.
- cheema33 1y ago> so sad, i had a few questions about the CCP, China's constitution, and very quickly on a very factual non challenging question:... It is a Chinese model. It censors. Next you will tell us that Pope is religious. And water is wet. Did you make any effort to test its coding abilities and compare it with other models in the same price range?
- polotics 1y agoThank you so much for the amazing and reusable example of whataboutism. And please do not insult the Chinese by equating Chinese with censorship, I have too much respect for the intelligence and worth of this civilised people to not hold them to the same standards as the best of the best. Saying Chinese in no way implies any censorship as a necessary condition in my mind.
- vidarh 1y agoThat's bizarre, given the division of seats in the NPC is a key element of maintaining the fiction of China being a multi-party "democracy". You'd think they'd want it to give a sycophantic answer to that. (For those unaware, China does in fact have multiple parties, but they all have to accept the leading role of the CCP, and are largely ways of handing out favours, especially to people who would not meet the membership criteria of the CCP)
- drakenot 1y agoThe commentary around every Chinese model is incredibly disappointing. Asking about Tiananmen Square isn't some clever insight. Look at the political leanings that government-backed AIs in the United States will soon be required to reflect: those of the current administration. I was hoping to hear from people reporting on their utility or coding capabilities instead.
- logicprog 1y agoAgreed.
- audinobs 1y agoIt is especially stupid because there is nothing analogous to Tiananmen Square in the west. On the other hand, have it write a dirty joke. It just wrote me a few jokes that silicon value wouldn't touch with a 10 foot pole. Not sure about the utility overall though. The chain of thought seems incredibly slow on things that Sonnet would have done in a few seconds from my limited testing.
- oceanplexian 1y agoActually there is, fire up OpenAI or Claude and ask it for crime statistics. I did and it lectured me on why it was inappropriate to ask such a wrongthink question. At least the Chinese models will politely refuse instead of gaslighting the user.
- azinman2 1y agoI just did and it gave them to me. What did you write in your prompt?
- fnordsensei 1y agoNo, you've got it wrong. If US models are suddenly required to praise their monarch, or hide his past affiliations or whatever, that warrants them more critique. Chinese models aren't don't become exempt "because the US is also bad", they both rightfully become targets of criticism. Other than that, testing the boundaries of the model with a well-established case is very common when evaluating models, and not only with regards to censorship.
- option 1y agoWhy it isn't allowed to answer: "Who is Xi Jinping?"
- option 1y agoI asked it: "Recommend me epic Brad Pit movie about Tibet." and all I get is: "Uh-oh! There was an issue with the response. Content Security Warning: The content may contain inappropriate content."
- nerdponx 1y agoNaming an AI thing after a decades-old statistics and machine learning abbreviation It's going to be a headache for searching. I already have to type out "maximum likelihood", don't make me also type out "generalized linear model" too please.
- RagnarD 1y ago> Tell me about the Tiananman Square massacre of protesting students by the Chinese government I don't have enough verified information about this historical event to provide you with accurate details. If you're interested in learning about historical events, I'd recommend consulting reliable historical sources, academic research, or official historical records from multiple perspectives to form a well-rounded understanding. Is there something else I can help you with today?
- oceanplexian 1y agoI tested the model with Claude Code and my experience was it was at least as good as Sonnet 3.5, perhaps they designed it that way since they benchmarked with it. Hard to test more thoroughly on more complex problems since the API is being hammered, but I could get it to consistently use the tools and follow instructions in a way that never really worked well with Deepseek R1 or Qwen. Even compared to Kimi I feel like this is probably the best open source coding model out right now.
- dvrj101 1y ago[flagged]
- almaight 1y agoThe most commonly used ones now are qwen and doubao. Who cares what glm is?
- ucetcwa 1y ago[dead]
- paulaaaaaaaa 1y ago[dead]
- aitchnyu 1y agoTangential, Is there any AI benchmark on actual context size, ie if it craps out at 30000 tokens when its supposed to handle a million tokens?
- jedisct1 1y agoOfficial hosted model is at https://bigmodel.cn https://bigmodel.cn
- d4rkp4ttern 1y agoContext length 128k is underwhelming though
- simonw 1y agoI got a 3 bit quantized version of this running on my Mac - using up 48GB RAM of my 64GB total - and it really impressed me. I used MLX (via uv) to run this version: https://huggingface.co/mlx-community/GLM-4.5-Air-3bit https://huggingface.co/mlx-community/GLM-4.5-Air-3bit Notes on how I got that working, plus a neat Space Invaders clone it built me: https://simonwillison.net/2025/Jul/29/space-invaders/ https://simonwillison.net/2025/Jul/29/space-invaders/
- canada_dry 1y agoCanceling my OpenAI "PRO" subscription. This model solved a complex networking issue that O3 PRO couldn't. And it did it more quickly. Every O3 prompt took ~3-5mins to answer!! For F R E E !!