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MiMo-v2.5-Pro-UltraSpeed: 1T model with 1000 tokens per second

mimo.xiaomi.com

141–150 of 512 posts

Re: MiMo-v2.5-Pro-UltraSpeed: 1T model with 1000 tokens per second

#141
post #136

So, regarding the productivity argument: I don't get it. It doesn't really matter (for regular employees) that you can do now in 2h what before it took 2 days. Why? Because it's not that you have the rest of the day for yourself. You still have to work 8h/day as usual. But now the pattern is different: instead of enjoying the craft digging deeper into problems in the span of 2 days, now you are rushing into some slot…

It's making things less fun, for me at least.

Re: MiMo-v2.5-Pro-UltraSpeed: 1T model with 1000 tokens per second

#142
post #44
post #16

I may sound like a shill, but exponential growth and all. We are going to get near instant software from prompt, multiple ones and then choose the best one. Discussions about choosing a library with the best syntactic sugar method naming is just as crazy as suggesting we type in assembly.

Sounds like exponential growth of crappy software. I'm not saying that before we didn't have mass produced crap in SE, but now it will turn into explosive overflow.

I still can't tell from the outside whether it sounds like a great time to be in security because of the vulnerable slop being churned out, or a terrible time because the people paying to make it don't care.

Re: MiMo-v2.5-Pro-UltraSpeed: 1T model with 1000 tokens per second

#143

Earlier quoted context omitted.

I see bigger problem with model inconsistency. You never know whether Anthropic will route your request to a cheaper model for the price of Opus. So you can never estimate how much a task will cost, because you might have to restart several times and pay for each attempt. Then you have to prompt models to gauge whether they are real or impostors which also adds to token usage.

> You never know whether Anthropic will route your request to a cheaper model for the price of Opus For non subsidized plans? Pretty sure they'd need to put this in ToS, or law suites would have followed by now.

no they 100% use MTP with a cheaper model alongside opus, and it would infact be unprovable if they just sometimes switched to auto-accepting everything from the MTP. its true that if they did anthropic would need to hide that they do this, so its probably not a huge deal

Re: MiMo-v2.5-Pro-UltraSpeed: 1T model with 1000 tokens per second

#144
post #38

Neat. The frontier models have gotten pretty impressive, but they're all a bit too slow for interactive, human-in-the-loop coding. It incentivizes vibecoding and running multiple agents in parallel. A fast agent feels more like a partner. For a while I was running Cerebras GLM 4.7 for a bunch of tasks. Not a very smart model, but it's fantastic to be have a live prototype of a site up and be able to type "make the fo…

> And MiMo 2.5 is a lot more capable than GLM 4.7 MiMo 2.5 is not the same model as MiMo 2.5 Pro. GLM 5.1 is z.ai's lastest iteration & is one of the popular open weight coding models. If you've had the chance, how does GLM 5.1 (which is now more expensive than MiMo 2.5 Pro after its recent 70% price drop) compare?

GLM 5.1 is very good. Definitely a contender for best open weight coding model. Nothing like 4.7.

But quite a bit more expensive than MiMo 2.5 Pro. Like 5x to 10x more on my little tests, at least by the API rates.

Re: MiMo-v2.5-Pro-UltraSpeed: 1T model with 1000 tokens per second

#145
post #58

Fast AI seems genuinely exciting and somewhat unsettling to me. Right now Claude is faster than me on some tasks but we’re at least close. I have a prompt to clean up a PR that’s been running for 1h now and I expect it to take another few. It’s hard to imagine how the workflow would look like if it was near-instant. On the one hand, it might be easier to focus. Some prompts take so long that I start to multitask and…

I don't see many companies being willing to pay 3x more for faster code generation. Cloud-based AI code generation is already extremely fast, and hardly the bottleneck for most software product development.

There can't be many normal use cases where there'd be any cost benefit.

Re: MiMo-v2.5-Pro-UltraSpeed: 1T model with 1000 tokens per second

#146
post #78

Earlier quoted context omitted.

not OP but usually for me this means long verification loop; waiting 10min on CI checks, that kind of thing, rather than actual 1hr wall clock of token generation

But those things won't be sped up by a faster LLM, so I feel like that's not what the OP is talking about.

Well, I used an extreme example. OTOH, I’ve done quite a few of those „fix CI” or „migrate X” prompts recently and while there is a fixed component like running CI / builds, I’d say the LLM time is still around or above 50%, especially at the beginning of the project. Then there’s also regular tasks that now take minutes per message which completely get me out of the zone. I imagine iterating on those in near real time would be a big change.

Re: MiMo-v2.5-Pro-UltraSpeed: 1T model with 1000 tokens per second

#147
post #44

Earlier quoted context omitted.

Sounds like exponential growth of crappy software. I'm not saying that before we didn't have mass produced crap in SE, but now it will turn into explosive overflow.

"exponential growth of crappy X" applies to every industry that went from being an artisanal craft to being mass produced with little or no human input. and we live much better lives than we did before the industrial revolution.

most industries have high cost of entrance unlike software, so decision makers are way more careful on how to move forward.

In software + GenAI now every housewife can build some App over evening.

Re: MiMo-v2.5-Pro-UltraSpeed: 1T model with 1000 tokens per second

#148
it is hard to understand what the actually meaningful innovations are here / what TileRT is bringing to the table.

- dflash: new-ish but February is ancient by the standards of the pace of AI innovation lately, I guess applying it to a 1T model is new-ish in the sense that the dflash researchers don't have the hw budget to prove that out - persistent engine kernel: this is like CUDA 101 - warp specialization: I think this just means "keep different gpu resources all busy w/ pipelining" which is CUDA 201, some of it is even baked into pytorch now - MXFP4 QAT: not new - TileRT: hard to tell what this actually does, there's a PyPi wheel with support for DS 3.2 and GLM 5 but binary only

Re: MiMo-v2.5-Pro-UltraSpeed: 1T model with 1000 tokens per second

#149
post #129

Earlier quoted context omitted.

I'm not sure. Engineers could still develop software the old way, you know taking months to deliver something like, let's say, Obsidian? Or Ghostty? Taking care of every single line of code, of dependencies, of good architecture. Truly the old way. And if the product is good it will succeed.

> And if the product is good it will succeed. it needs to win marketing landscape, hyper-overcrowded by thousands of competitors, slop-gened over weekend.

Could you imagine Obsidian being posted on HN today, if it weren't really popular already? There's no way a tiny team working on a note taking program would make it out of new, no matter how good it was. I wouldn't click the link, myself.

Re: MiMo-v2.5-Pro-UltraSpeed: 1T model with 1000 tokens per second

#150
Below is the part I found most interesting

> "However, naively applying FP4 across the entire model causes degradation in complex reasoning, logic, and code generation. Given the MoE (Mixture of Experts) architecture of Xiaomi MiMo-V2.5-Pro — where Experts constitute the vast majority of parameters and exhibit the highest tolerance to quantization — we selectively quantize only the MoE Experts to FP4 while preserving original precision for all other modules. Through FP4 QAT (Quantization-Aware Training), we dramatically reduce model size and maximize hardware bandwidth utilization while keeping the model's overall capability essentially on par with the original, as shown below"

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