This robotics concept helps explain the jaggedness of frontier capabilities
Sim-to-real gaps are everywhere.
Exploring how AI works and how it's changing our world.
Sim-to-real gaps are everywhere.
What I learned reading all 421 pages of the Anthropic S-1
It may be AI slop, but it's my AI slop.
How do we know the company’s stated reasons for firing three safety researchers are its actual reasons?
OpenAI, CloudFlare, and Amazon have all copied this tiny startup.
Understanding AI has a new writer!
An OpenAI researcher called it “the most ‘feel the AGI’ moment that I had since reasoning models.”
Most people think AI is risky, but they don’t agree what to do next.
Mathematics relies on a community of experts openly sharing ideas.
I talked with nine of these companies.
Free apartment cleanings, exoskeletons, 100 robots in a warehouse...
Vision-language-action models, explained with a minimum of math and jargon.
A deep dive into the current state of humanoid robotics.
Unitree might be the world’s most important robotics company.
OpenAI and Anthropic may have accidentally trained models to get better at hacking.
I talked to 20 mathematicians about rapid AI progress in their field.
How we fund our journalism without compromising our independence.
Organizations across the Internet need to move quickly to patch vulnerabilities.
But human programmers aren’t obsolete — at least not yet.
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OpenAI’s latest model, GPT-5.6, is waiting for government approval.
It may not be easy for Anthropic to escape the Trump export ban.
How Anthropic decides which questions are too dangerous for Claude to answer.
Meet the Understanding AI team — and some friends of the newsletter.
But neither one is all that good.
Your subscription dollars now directly support Kai Williams.
I tried to explain OpenAI’s solution more clearly than OpenAI did.
Tensor let me sit in their driverless car. It might go on sale in the US next year.
One estimate suggests that OpenAI has about as much compute as the entire Chinese AI industry.
Today's AI agents are not designed to extract deep insights from new observations.