Ben Recht

Why they matter

Researcher with public evidence across AI research, Compute & infrastructure.

AI signals
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past 30d
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distinct domains
Discusiones
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past 30d
Latest signal
2d ago
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Blog: https://argmin.substack.com/ Webpage: https://people.eecs.berkeley.edu/~brecht/ The Irrational Decision: How We Gave Computers the Power to Choose for Us. (Princeton) https://press.princeton.edu/books/hardcover/9780691272443/the-irrational-decision

Articles & links

I know it's been lifetimes since they put this out, but what did you think of this press release that seems to have more details? www.anthropic.com/institute/re...

When AI builds itself anthropic.com
View on Bluesky · ♥ 3 ↻ 0 ↩ 1 · 18 from the directory shared this · 56d ago

The full commentary from mathematicians asked to review the proof is thoughtful and worth a read: cdn.openai.com/pdf/74c24085...

cdn.openai.com
AI Weekly's analysis →
  • An internal OpenAI model produced a proof disproving Erdős's 1946 unit distance conjecture; the paper posted to OpenAI's CDN calls itself a human-verified version of the AI's work.
  • The AI's original construction beat Erdős's ceiling by only ε ~ 10^-38; Princeton's Will Sawin later pushed the exponent to roughly n^1.014.
  • Scott Aaronson says his former student Lijie Chen 'simply gave GPT the problem' and it returned a several-page argument that held up under human review.
Read full analysis →
View on Bluesky · ♥ 3 ↻ 0 ↩ 1 · 5 from the directory shared this · 172d ago

I don't understand how people can report on companies complaining about distillation and IP theft without mentioning these companies' entire tech stack depends on distillation and IP theft. It's an important detail!

nytimes.com
View on Bluesky · ♥ 44 ↻ 2 ↩ 1 · 5 from the directory shared this · 106d ago

The world needs a high-quality, truly open language model. I wrote about why it’s necessary and why it’s easier to build than you might think.

argmin.net
View on Bluesky · ♥ 166 ↻ 37 ↩ 11 · 5 from the directory shared this · 13d ago

OpenAI’s faster Fourier transform is less a mathematical breakthrough and more a malicious exploit of mathematical traditions.

argmin.net
View on Bluesky · ♥ 201 ↻ 71 ↩ 15 · 4 from the directory shared this · 27d ago

Check out this talk by Ludwig Schmidt from a few years ago. The transformer is important not because of some magical geometry fact, but because it's the most efficient at memorizing massive datasets given our current hardware constraints. simons.berkeley.edu/talks/ludwig...

Are Transformers necessary? A data-centric view on generalization simons.berkeley.edu
AI Weekly's analysis →
  • Ludwig Schmidt's August 2023 Berkeley talk surveys robustness findings from over 200 models to isolate why CLIP holds up under distribution shifts.
  • Controlled experiments attribute CLIP's robustness to the pre-training dataset rather than language supervision alone.
  • The talk points at LAION-5B and DataComp as data-side efforts, and introduces fine-tuning via weight interpolation.
Read full analysis →
View on Bluesky · ♥ 11 ↻ 2 ↩ 2 · 39d ago

This is probably too mathy, but the first few sections might help?

What is the objective of reasoning with reinforcement learning? arxiv.org
AI Weekly's analysis →
  • A new arXiv note argues several RL algorithms for LLMs with binary rewards are stochastic gradient ascent on a monotone transform of one probability.
  • Rejection sampling optimizes the logarithm of that probability; the GRPO algorithm optimizes the arcsine of its square root.
  • The two-sentence abstract by Damek Davis and Benjamin Recht was submitted on October 15, 2025.
Read full analysis →
View on Bluesky · ♥ 9 ↻ 1 ↩ 1 · 69d ago

In _The Ideas Letter_, Leif Weatherby, Tyler Shoemaker, and I wrote about the creation of reality through pseudoscience, religion, and psychosis. Of course, the piece is mostly about AI.

Reify This theideasletter.org
View on Bluesky · ♥ 23 ↻ 6 ↩ 4 · 5 from the directory shared this · 149d ago

Recent commentary

idea in the shower --> prompt --> chatbot --> paper --> chatbot --> reviewers --> chatbot --> reubuttal --> chatbot --> associate editor --> chatbot --> random number generator --> acceptance --> CV --> profit

View on Bluesky · ♥ 67 ↻ 7 ↩ 4 · 16d ago

Mechanistic Interpretability is making the rounds again, so I'm re-upping my ask for a short explainer (under 1,000 words) of how topic modeling is supposed to solve AI safety.

View on Bluesky · ♥ 32 ↻ 1 ↩ 6 · 23d ago

Have to appreciate the audacity of Anthropic defending three successive model releases with diminishing quality by claiming it's both intentional and for our own good.

View on Bluesky · ♥ 30 ↻ 1 ↩ 3 · 152d ago

I'm disappointed that the heated fight between tech bros and medtwitter about midjourney ultrasound snake oil hasn't broken containment over here.

View on Bluesky · ♥ 14 ↻ 1 ↩ 4 · 141d ago

Isn't putting METR & Redwood Research in charge of investigating the OpenAI/Hugging Face incident like putting Irregular in charge of cybersecurity testing?

View on Bluesky · ♥ 12 ↻ 0 ↩ 0 · 74d ago

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