AI for knowledge workers at @Microsoft. Prev: CEO @fintoolx (acq. Microsoft), CEO @doctrine (Acq. LexisNexis). Views are my own.

San Francisco
Joined January 2022
Very long running math agent
Andrew Wiles worked on Fermat's Last Theorem alone in his attic for 7 years and told nobody except his wife. The problem was 358 years old. Fermat scribbled in a margin in 1637 that he had a proof and no room to write it, and every mathematician since had failed. Wiles saw the statement in a library book at 10 years old. He never let it go. He was a Princeton professor when he started in 1986. He stopped publishing new work and released old results in pieces to hide the silence. He announced it in Cambridge in June 1993, over 3 lectures, revealing the target only at the end. Newspapers ran it worldwide. Then a referee found a gap. One step in the proof did not hold, and the error was fundamental. He spent 14 months trying to close it in public view, with the whole field watching. He was ready to quit. The fix arrived in September 1994. He has said he stared at it in disbelief for 20 minutes. The BBC filmed him describing that moment. He gets a few words out, then turns away from the camera in tears. He kept the greatest result of the century secret so nobody could take it.
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Nicolas Bustamante retweeted
Some stats on #php2shell. In the 10 hours before it was publicly announced, across the @Cloudflare network we saw thousands of attempts to exploit it. That jumped to tens of thousands in the 45 minutes post announcement, hundreds of thousands within 2 hours, and millions now.
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It seems that swarm of agents is the future « Could a single agent given the entire dataset do just as well as thousands of agents working in parallel? We tested this while keeping the model and resources fixed. As the workload grew, the single agent searched less of the literature, citing only 11 references at the largest workload, while the distributed agents cited more than 700 references. Human experts also preferred the distributed-agent interpretations »
GPT-Rosalind surfaced a new lead for drug discovery: could restoring cholesterol transport protect neurons from degeneration? DCTN1 is a gene linked to Perry syndrome, a rare neurodegenerative disorder. In mouse-brain data, disrupting it increased expression of genes involved in making cholesterol. GPT-Rosalind suggested a possible explanation: cholesterol may not be reaching where neurons need it. That gives scientists a specific mechanism to test and, if confirmed, a direction for developing new treatments for neurodegenerative disorders. With @perturbai_tx and @scrippsresearch, a team of thousands of GPT-Rosalind agents worked in parallel, connecting gene-expression results from millions of mouse brain cells with scientific literature in just 32 minutes. We’re now expanding this collaboration to identify new drug targets. openai.com/index/scaling-ai-…
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We need way more data for AI x biology
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We are not the same
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2024: The application is the product. 2025: The model is in the product. 2026: The model is the whole product. Do you all agree? Are most AI apps just reselling LLM tokens at negative gross margins?
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Ladies and gentlemen, the world have been asking why the iPhone Duo exists. I’m happy to finally bring you the answer: so you can run Duet, Muse, Dot, and Grok Bot on one single screen.
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If you enjoy the UFC, you will enjoy the Robot Fighting Championship soon.
Unitree back in the robot fighting game
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People don’t realize this critical PHP vulnerability was found using GPT‑5.6 Sol. We’ve already moved on to GPT‑6 Astra and GPT‑6.1. This is what older models can do. I don’t think the world is prepared for the sheer number of vulnerabilities newer models will uncover, or the cyberattacks that could follow.
OpenAI models helped researchers—operating as part of our Patch the Planet initiative—discover critical security flaws in PHP, an open-source programming language used to run an estimated 70% of websites. Over the past two months, we led a coalition of maintainers, researchers, and security providers to prepare fixes and protections ahead of disclosure. This duration was necessary because the fix was quite intricate and required a major change to the PHP engine. Every site using PHP can now safely upgrade their version to stay secure, in addition to applying mitigations from various security vendors. Due to the severity of these flaws and PHP’s widespread use, we consider this bug to be one of the most impactful vulnerabilities in recent memory. It also marks a new phase, where AI can find security bugs with internet-scale impact. This is an example of the Defender’s Window in action: to our knowledge, frontier AI was able to find this vulnerability ahead of attackers, giving defenders time to prepare. openai.com/index/coordinated…
Readers added context they thought people might want to know
Wiz Research wasn't the first one to discover the exploit. An independent researcher first discovered it: x.com/calif_io/statu…
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Biking home in San Francisco after a long day of work. Can’t even relax without the ads reminding you you’re falling behind. Haven’t tried the latest Muse or Grok features? Checked the latest Artificial Analysis benchmarks? Tried a new sandbox provider? Somehow this city makes being at the cutting edge feel like the bare minimum. I love it.
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The PowerPoint Agent is sooo good! You should try it out. I have 0 clue how to use PowerPoint, but now I shine in all my corporate presentations with my sleek AI-generated slides haha! It's such a lifesaver. I don't know how many hours I would have spent creating average slides otherwise.
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AI is getting smarter while the cost of using it is collapsing. Small model token prices fell 89% in six months. If that pace holds, another 96% drop over the next three generations. This will unlock massive new use cases that just don’t make economic sense today.
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I was really born too late in France. In the 80s they were launching cars off an aircraft carrier alongside advanced fighter jets, then picking them up with a submarine, haha! All that just to sell a Cybertruck-looking Citroën; it's so epic! Meanwhile Concorde was doing Paris–NY in 3.5 hours and France was pushing the frontier in everything. By the time I grew up in the 2000s, it felt like everyone was anti-nuclear and talking about degrowth :/
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People see the riots in Paris but they don’t see the entrepreneurs quietly leaving. When I started my company in Paris in 2016, I shared a startup incubator floor with other founders. Six out of ten now live in the Bay Area. Not a week goes by without a message from another French entrepreneur moving here. We used to do welcome dinner with my wife but now we need to organize welcome party. Dozens more on LinkedIn/email asking how to leave. I can’t even reply to everyone anymore. It’s painful to watch. The riots make headlines but the people leaving just pack their bags and go create jobs elsewhere.
Des véhicules de police sont prises pour cible par la foule dans le secteur République à Paris. #Paris #17octobre
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It’s hard to watch as a Frenchman, but I’m not surprised. My entire childhood was full of episodes like this. They seem to be getting more and more violent as GDP per capita growth slows and France falls further behind. The state has a hand in everything, yet so little feels like it’s moving forward. When you work hard and still can’t see a path to a better life than your parents had, frustration builds. I think some of that hopelessness is turning into anger in the streets.
⚠️🔴 À REGARDER JUSQU'À LA FIN JE NE PEUX PAS DÉCRIRE CE QUE JE VIENS DE VIVRE À MARSEILLE. #17octobre
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Amazon blocking agents is not customer centric.
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I miss Sora so much. The personal memes shared with friends were so good.
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Nicolas Bustamante retweeted
If Elon created a cancer vaccine, people would complain about the size of the needle.
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I don’t understand how you can’t be excited by futuristic-looking flying cars? Elon Musk is just the GOAT. It’s so inspiring.
Elon is the motherfuckin’ GOAT. He takes things most people only dream about and makes them fucking real. That’s just the damn truth. I went to see a car unveil and watched a Roadster drive upside down, launch with thrusters, and do flips and rolls through the air. How do you watch that and not feel like a kid again?! Tonight was the best product unveil I’ve ever seen, literally the best unveil of ANY product. Hands down. Huge respect to Elon and everyone at Tesla and SpaceX who put in the work to make this happen. You absolutely fucking delivered. I had my @Grok Bot pull the official stream, find the best moments, and cut this video together by the end of the night. I had to watch it again to understand how unbelievable today was.
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