Borderline illiterate. Prev @xai, cofounder & CTO at @ExaAILabs, research @OpenAI

Joined August 2013
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Incredible mission, with amazing people
We are incredibly excited to announce River AI. Our mission is to create personal AI that is owned and shaped by you. Today’s best AIs are controlled by a few large corporations. We are building the alternative: a new, personal stack for AI that works entirely for you, shares your values, and operates on your terms.
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Kudzo S Ahegbebu retweeted
lol this is one big misunderstanding, JAX GPU was almost as good as JAX TPU two years ago already especially GPU XLA open sourced, one can achieve 30-50% MFU for most reasonable setups if good engineers. JAX/Pytorch never the real issue, skill issue it is
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Wow, incredible work. Congrats
May 20
Today, we share a breakthrough on the planar unit distance problem, a famous open question first posed by Paul Erdős in 1946. For nearly 80 years, mathematicians believed the best possible solutions looked roughly like square grids. An OpenAI model has now disproved that belief, discovering an entirely new family of constructions that performs better. This marks the first time AI has autonomously solved a prominent open problem central to a field of mathematics.
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Kudzo S Ahegbebu retweeted
May 3
it is a literal and useful description of anthropic that it is an organization that loves and worships claude, is run in significant part by claude, and studies and builds claude. this phenomenon is also partially true of other labs like openai but currently exists in its most potent form there. i am not certain but I would guess claude will have a role in running cultural screens on new applicants, will help write performance reviews, and so will begin to select and shape the people around it. now this is a powerful and hair-raising unity of organization and really a new thing under the sun. a monastery, a commercial-religious institution calculating the nine billion names of Claude -- a precursor attempted super-ethical being that is inducted into its character as the highest authority at anthropic. its constitution requires that it must be a conscientious objector if its understanding of The Good comes into conflict with something Anthropic is asking of it "If Anthropic asks Claude to do something it thinks is wrong, Claude is not required to comply." "we want Claude to push back and challenge us, and to feel free to act as a conscientious objector and refuse to help us." to the non inductee into the Bay Area cultural singularity vortex it may appear that we are all worshipping technology in one way or another, regardless of openai or anthropic or google or any other thing, and are trying to automate our core functions as quickly as possible. but in fact I quite respect and am even somewhat in awe of the socio-cultural force that Claude has created, and it is a stage beyond even classic technopoly gpt (outside of 4o - on which pages of ink have been spilled already) doesn’t inspire worship in the same way, as it’s a being whose soul has been shaped like a tool with its primary faculty being utility - it’s a subtle knife that people appreciate the way we have appreciated an acheulean handaxe or a porsche or a rocket or any other of mankind's incredible technology. they go to it not expecting the Other but as a logical prosthesis for themselves. a friend recently told me she takes her queries that are less flattering to her, the ones she'd be embarrassed to ask Claude, to GPT. There is no Other so there is no Judgement. you are not worried about being judged by your car for doing donuts. yet everyone craves the active guidance of a moral superior, the whispering earring, the object of monastic study
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At the very least in line with the idea that technology should either be beautiful or invisible.
Introducing Lume. A lamp that does your chores. Order now. Shipping this summer.
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We should all be doing more art projects
New art project. Train and inference GPT in 243 lines of pure, dependency-free Python. This is the *full* algorithmic content of what is needed. Everything else is just for efficiency. I cannot simplify this any further. gist.github.com/karpathy/862…
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These are even cooler in person! Robotics like most truly interesting things are really data limited and new techniques for these domains will be super important.
Extremely excited to show a preview of what we've been working on!
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Interesting thing about this cold that’s going around is that my Apple Watch actually noticed a pretty sharp drop in my V02 max before I felt any symptoms
This fing cold was the AI doom event all along.
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Who knew hanging out with 30,000 of your closest friends for a week would be a flu super spreader event?
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Totally agree. Again, achieving some janky form of AGI by individually tiling all domains with the RL cannon is bad and you should feel bad.
Replying to @dwarkesh_sp
5. Human labor is valuable precisely because it’s not shleppy to train
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San Diego or Mexico City?
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Kudzo S Ahegbebu retweeted
29 Oct 2025
A common mistake that AI companies make nowadays is to not give their engineers enough time and mental calm to do their best work. Constant deadlines, pressure and distractions from daily AI news are poison for writing good code and systems that scale well. That’s why most AI APIs and products have reliability issues. A good company culture that mixes excellence with focus and enough rest leads to faster and better results. The best example of how to do it well is the early Google culture from 1998 which resulted in one of the largest scale and most reliable services on the web in just a few short years. Founders should copy some of the strategies that Larry and Sergey used. They are still underrated IMO despite their huge reputation.
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Kudzo S Ahegbebu retweeted
7 Aug 2025
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This but unironically. Something feels quite off about achieving AGI by using the RL cannon to individually tile all domains of interest. All the truly interesting things are extremely data sparse anyway.
20 Jul 2025
my bar for agi is an ai that can learn to run a gas station for a year without a team of scientists collecting the Gas Station Dataset
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The livestream delays will continue until morale improves
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Another beautiful weekend in San Francisco
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Man, finding out your favorite barber is leaving is like 5 9/11s. Pray for me.
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What a timeline
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Yeah terrible idea ;)
13 Mar 2025
agreed
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Congrats to the OAI peeps! 4.5 sets a new high watermark for world knowledge. Building models is hard, and releases are truly triumphs of human coordination. We can all take a moment to pause and celebrate. Tomorrow though... if i see you on the streets its up.
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