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mr. TIM

@timkellogg.me

950 Following11.3k Followers

AI Architect | North Carolina | AI/ML, IoT, science WARNING: I talk about kids sometimes

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@timkellogg.meOct 11, 2026, 7:53 PM

fun fact once i made my own wikipedia page but then it got deleted in under an hour and thats when i realized wikipedia was legit

@timkellogg.meOct 11, 2026, 7:45 PM

the funnel - 80% of the world has no AI contact - ~20% have janky experience - 0.2% are power users - 0.00006% work for labs and have internal access to actual frontier models

Andrej Karpathy
@karpathy .27m
Dusting off this tweet from April because this gap in shared understanding of LLM capability is "widening*. It's now less "two groups of people speaking past each other" and more a sharp funnel.
- Napkin math somewhere around 6B people (~75% of the population) have barely come in contact with LLMs at all.
- Around 1-2B (~20%) are casual and infrequent users of free-tier ChatGPT-like products. This group sees derpy chatbots and treats them a bit like a better Google search, a writing aid, or etc. Maybe an agent tries to book you a flight. I have non-tech friends who (reasonably, imo) say they have not much use for it at all. Even many professionals outside of math&code are in this tier. For example, execs and many other functions spend a lot of their time talking to other people, so while they understand what is happening intellectually, it is still second-hand and a bit abstract.
- Now we get to professional use of frontier-grade LLMs in math&code. Somewhere around 20M people (0.2%) see first-hand that large, complex projects that used to take them weeks/months can now be completed by agents with a prompt. Building apps, copying apps, translating apps, decompiling apps from binaries... This has all happened very quickly and recently - less than 1 year ago, I was writing code manually by hand, typing memorized computer code commands into a code editor character by character, occasionally pressing Tab to autocomplete a little chunk of code.- And finally we get to the ~5,000 people (~0.00006%) with access to frontier-grade systems internally. The external world has seen the preview. It looks like swarms of thousands of agents collaborating over weeks on software mega projects: minting zero days, running cyber attacks and defenses at machine speeds, discovering new science, advancing the frontier of mathematics. Things that would have taken top professionals in the industry years of work.
Meanwhile, human review and comprehension are starting to fall behind. For example, people are still involved in the "archeology" of the OpenAl-HF incident from many months ago.
Mathematicians may be poring over the 722 manuscripts on frontier mathematics for a while.
The funnel is driven by a combination of factors:
1. The impact scales with ambition, problem size, and horizon. A question with a paragraph answer barely stresses the system. You need a reservoir of big, difficult problems that you really care about. This aspect drives the consumer / professional dimension of the funnel.
2. The jaggedness of the system (which I have written about a lot separately). Capability peaks in domains that are digital, verifiable and economically valuable. This is because LLM capability emerges from reinforcement learning on verifiable rewards on a curated environment mixture driven by revenue potential. This aspect primarily drives the area (e.g. math&code) dimension of the funnel.
3. Access. Free-tier, paid-tier, internal.
@timkellogg.meOct 11, 2026, 6:57 PM

i figured it was algorithm improvements could be better chips too, but that doesn’t shift this fast

@timkellogg.meOct 11, 2026, 6:42 PM

top line and bottom line are two separate things

@timkellogg.meOct 11, 2026, 6:40 PM

pay attention to this token costs will likely continue to plummet, as AI improves the algorithms and GPU kernels

Line graph titled "Jevons: Compute Prices Rise As Token Prices Fall" plotting "H100 GPU Rental Price vs. Silicon Data Price Expenditure Index" from December 2025 to September 2026.
The left vertical axis displays the H100 Rental Price in dollars per hour, ranging from 1.00 to 3.50, tracked by a blue line representing the "Ornn H100 GPU Rental Price". The right vertical axis displays the Token Price Expenditure Index, ranging from 0.90 to 2.50, tracked by a black line representing the "Silicon Data Token Price Expenditure Index".
Two highlighted regions emphasize trends over time:
 * June 2026 – July 2026 (Red shaded region): Annotated "Token and compute prices decline together," showing both metrics dropping simultaneously from peak values.
 * July 2026 – September 2026 (Green shaded region): Annotated "Token prices decline further but compute prices remain robust," showing the blue compute line remaining elevated between 2.50 and 2.80 while the black token index drops sharply down toward 1.10.
At the bottom, the source is noted as "Ornn, Silicon Data, Bloomberg, as compiled by Citadel Securities, data as of Aug 2026," alongside a link "a16z.news/subscribe" and the "A16Z GROWTH" logo.
@timkellogg.meOct 11, 2026, 5:44 PM

nah, that’s just how long it takes NTFS to find a file

@timkellogg.meOct 11, 2026, 5:43 PM

only software that runs trains, obvs

@timkellogg.meOct 11, 2026, 5:18 PM

those light emitting diodes up there are older than you

@timkellogg.meOct 11, 2026, 5:18 PM

yeah, i just see a lot of engineers embracing change that are in the best positions of their careers yet

@timkellogg.meOct 11, 2026, 5:15 PM

wait, is this real??? no way

@timkellogg.meOct 11, 2026, 3:58 PM

yeah, i think they figured out the optimal algorithm for estimating it? something like that

@timkellogg.meOct 11, 2026, 3:54 PM

honestly, pi is so weird, it’s like completely irrational

@timkellogg.meOct 11, 2026, 2:43 PM

prime is pi

@timkellogg.meOct 11, 2026, 2:11 PM

most people under 40 have probably never heard someone say, “let’s synchronize our watches” most clocks that we use are within milliseconds of an atomic clock the best technological advances are basically invisible

@timkellogg.meOct 11, 2026, 2:06 PM

what? have you never heard of NTP?

@timkellogg.meOct 11, 2026, 2:04 PM

there’s a theory that AI explosion will cause broad wealth, and if you look at what recently-wealthy people, their spending habits change to consume more services and experiential things e.g. snoop dogg hires his own personal blunt roller so maybe we all just shift to services & be human-centric

@timkellogg.meOct 11, 2026, 1:43 PM

probably

@timkellogg.meOct 11, 2026, 1:04 PM

practically speaking, it’s stuff like when your working through an edge case and you’ve found a problem, in program agents you can send a message to an agent to investigate (in SaaS, that’s the role of alarms)

@timkellogg.meOct 11, 2026, 1:04 PM

think about devops & ops teams in SaaS bluesky is just software, but when something goes down, it’s not *just* software that brings it back up. so SaaS is just software where humans occupy various roles in the product and program agents are the same, but human=> AI

@timkellogg.meOct 11, 2026, 1:04 PM

imo most AI will eventually become something like these program agents you probably won’t interact with AI all that much, at least not that directly. But AI will permeate everything regardless it’ll all be just regular software, that self-heals, and adapts to whatever is needed

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