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OpenAI’s Astra model is shockingly good at robotics
In the future, will general-purpose LLMs control robots?
Published on Understanding Robots • 33 mins ago
How a single tweet transformed the AI safety debate
Most people think AI is risky, but they don’t agree what to do next.
Sep 17 • Kai Williams
124
2
14
OpenAI spent millions to solve this famous math problem — mathematicians are furious
Mathematics relies on a community of experts openly sharing ideas.
Sep 10 • Kai Williams
175
5
16
19 robotics companies to watch
I talked with nine of these companies.
Sep 4 • Kai Williams
78
7
4
Robot startups are trying everything they can think of to get more data
Free apartment cleanings, exoskeletons, 100 robots in a warehouse...
Sep 3 • Kai Williams
102
13
How Google taught LLMs to control robots and started a robotics boom
Vision-language-action models, explained with a minimum of math and jargon.
Sep 2 • Timothy B. Lee
155
2
11
Why humanoid robots won’t catch up to human workers any time soon
A deep dive into the current state of humanoid robotics.
Sep 1 • Kai Williams
290
68
55
I spent $4,000 on a robot dog from China
Unitree might be the world’s most important robotics company.
Aug 31 • Timothy B. Lee
245
27
31
Labs are struggling to keep frontier models under control
OpenAI and Anthropic may have accidentally trained models to get better at hacking.
Aug 13 • Timothy B. Lee
240
13
17
Mathematicians are grappling with the possibility that AI might eclipse them
I talked to 20 mathematicians about rapid AI progress in their field.
Aug 4 • Kai Williams
279
51
33
Our advertising principles
How we fund our journalism without compromising our independence.
Aug 4 • Timothy B. Lee
23
An OpenAI model hacked Hugging Face to help it cheat on a benchmark
Organizations across the Internet need to move quickly to patch vulnerabilities.
Jul 22 • Timothy B. Lee
44
5
6
An OpenAI model crushed top human programmers at a world coding competition
But human programmers aren’t obsolete — at least not yet.
Jul 10 • Kai Williams
150
4
8
7 charts that show why you should advertise on Understanding AI
The newsletter will remain ad-free for paying readers.
Jun 29 • Timothy B. Lee
164
21
4
The US now has a de facto model licensing system
OpenAI’s latest model, GPT-5.6, is waiting for government approval.
Jun 29 • Timothy B. Lee
23
1
1
Why AI hasn’t replaced software engineers, and won’t
Coding agents as normal technology
Published on AI as Normal Technology • Jun 16
The MAGA power struggle that could decide the fate of Anthropic
It may not be easy for Anthropic to escape the Trump export ban.
Jun 15 • Timothy B. Lee
129
3
5
Anthropic’s Fable is the most locked-down public model we’ve ever seen
How Anthropic decides which questions are too dangerous for Claude to answer.
Jun 11 • Kai Williams
136
10
6
DC-area happy hour on June 23!
Meet the Understanding AI team — and some friends of the newsletter.
Jun 11 • Timothy B. Lee and Kai Williams
16
1
Anthropic has caught up to OpenAI in image understanding
But neither one is all that good.
Jun 10 • Timothy B. Lee
96
3
5
We're building a different kind of AI newsroom
Your subscription dollars now directly support Kai Williams.
Jun 1 • Timothy B. Lee
48
9
OpenAI’s math breakthrough played to AI’s strengths
I tried to explain OpenAI’s solution more clearly than OpenAI did.
May 28 • Kai Williams
194
25
14
Why it might not make sense for you to own a self-driving car
Tensor let me sit in their driverless car. It might go on sale in the US next year.
May 14 • Timothy B. Lee
143
4
8
A big lesson of my China visit: compute shortages are holding back Chinese AI
One estimate suggests that OpenAI has about as much compute as the entire Chinese AI industry.
May 12 • Kai Williams
115
8
7
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