Subquadratic launches with a $29M seed and debuts SubQ, an LLM that uses a subquadratic sparse attention architecture to achieve a 12M-token context window
SiliconANGLE Kyt Dotson
Related Coverage
- Introducing SubQ: The First Fully Subquadratic LLM Subquadratic · Justin Dangel
- How SSA Makes Long Context Practical Subquadratic
- Miami startup Subquadratic claims 1,000x AI efficiency gain with SubQ model; researchers demand independent proof. VentureBeat · Michael Nuñez
- The context window has been shattered: Subquadratic debuts a 12-million-token window The New Stack · Frederic Lardinois
Discussion
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@alex_whedon
Alexander Whedon
on x
Introducing SubQ - a major breakthrough in LLM intelligence. It is the first model built on a fully sub-quadratic sparse-attention architecture (SSA), And the first frontier model with a 12 million token context window which is: - 52x faster than FlashAttention at 1MM tokens - [v…
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@willdepue
Will Depue
on x
nevermind no longer trying to give them the benefit of the doubt here: they claimed O(n) and ‘subq is linear vs quadratic’ which is pretty ridiculous the speedup numbers in their announcement video don't seem to line up with this? and just 12M context with O(n) scaling? this is […
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@daniel_mac8
Dan McAteer
on x
SubQ is either the biggest breakthrough since the Transformer... > 52x faster than FlashAttention at 1mm tok context > 20x cheaper than Opus ...or it's AI Theranos. Requested early access so hopefully can investigate soon. [image]
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@ashleymayer
Ashley Mayer
on x
With so much capital concentrating in so few private companies, and Anthropic and OpenAI breaking all “startup” growth norms, it's easy to forget that we are still incredibly early in this AI wave. On that note, I am THRILLED @subquadratic is now out of stealth. This is a
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@zephyr_z9
@zephyr_z9
on x
“early access” Scammy vibes If it's really a sub-quadratic sparse attention arch (SSA), then serving this should be really cheap No point in putting this behind early access
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@rileybrown
Riley Brown
on x
I hardly ever say this... but my spidey senses are tingling... something is off about this. mark my words.
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@phequals7
@phequals7
on x
does not pass my smell test.. > a breakthrough like this gets published at ICML/NeurIPS/ICLR - not with a startup launch video - would love to read a preprint atleast (technical report coming soon is v SUS) > usual suspects engagement boosting this tweet was the final straw
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@dorialexander
Alexander Doria
on x
Very welcome to see more research in that space but a bit puzzling until the report clarifies: *Clearly a continuous pretrain of an open weight model (totally fair for this but we'll need a before and after). *No actually long evals (>1M) even though RULER could be extrapolated.
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@subquadratic
@subquadratic
on x
The numbers behind the SubQ announcement: Speed: 52x faster than Flash Attention SWE Bench Verified: 81.8% Ruler (128K): 95% MRCR V2: 65.9% Get early access at https://subq.ai/
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@artemr
Artem Russakovskii
on x
A 12-million-token context window at 1,000x less compute capable of coding for weeks at a time and filing hundreds of PRs in the process. 🤯 If you thought AI can run laps around us now, the rate of progress in the next few years will become exponential.
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@stevesi
Steven Sinofsky
on x
Will be exciting to see how this plays out.
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@bidiptas13
Bidipta Sarkar
on x
Extremely hard to believe. The only plausible case is RADLADS-style weight init from frontier open source model + major benchmaxxing You can't get this high in SWE Verified legitimately from scratch with a new model architecture on their budget
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@austen
Austen Allred
on x
And now it's time to see what my little brother has been working on for the past couple years: An AI model fully built on sub-quadratic sparse-attention architecture. Result? 12 million token reasoning model 150 tokens/second 1/5 the cost of Opus
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@nielsrogge
Niels Rogge
on x
After checking his LinkedIn, the chances of it being a scam went up subquadratically [image]
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@eliebakouch
Elie
on x
hard to know if this is real since the efficiency numbers look really insane (52x faster than Flash Attention at 1M) but eval numbers don't seem unbelievable if we think it's a continual pretrain of one of the recent oss models one red flag imo is the fact that they did paid [ima…
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@willdepue
Will Depue
on x
if youre really subquadratic homie why are you only serving 12M context. if its n log n or n^1.25 let's see some 100M at least for a demo my guy
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@willdepue
Will Depue
on x
Let's read the technical report. TLDR; No real answers on how their method works. Doesn't make me feel better about it. They seem to understand the problem: “[Attention] is expensive for the same reason: every query compares against every key. The result is an all-pairs
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@vhmth
Vinay Hiremath
on x
Two things: 1. I hope Will is wrong and the team cooked and did some wild shit. 2. We need way more technical critical discourse like this from Will. There are so many out of pocket things being claimed on the timeline these days. And hacker news is untrustable because everyone
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@willdepue
Will Depue
on x
my first take, and a good lesson on good research epistemics here: what can we infer from ~82% SWE-Bench? it's possible they (1) they trained a new model, from scratch, that is unlike a regular transformer but i've never heard of this company before, and checking their funding [i…
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@tenobrus
@tenobrus
on x
sub 5% chance we hear anything about this model ever again