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We just launched Tonita, our conversational AI shopping search engine! This has been cooking for the past three months based on tech we had built. Give it a spin, and let me know what you think!
Hello, world! Today we launch the first conversational AI shopping search engine. We're starting with apparel, lots more to come! Check it out at Tonita.co, and let us know what you think!




congrats, although we've had this for several months now on Tonita.co :) and google's AI Mode seems to return an order of magnitude fewer results than we do (despite the fact that our corpus is a an order of magnitude smaller)
An exciting update today: you can now find, explore, and shop visual inspiration, right in AI Mode. Just describe what you’re looking for, upload a picture (or both!) and you’ll see a range of rich visual results that you can conversationally refine with follow-ups, instead of…
This paragraph from this article by @trishlaostwal is super-interesting. The methodology might have flaws, and users != usage (e.g., coding workloads on desktop), but the trend is interesting. Reminds me of 2012: mobile traffic (web, search) crossed desktop traffic. .

NEW: Copilot is outpacing rivals on mobile. From March–June it added 5.6M U.S. users vs. ChatGPT’s 3.9M, per Comscore. Enterprise tie-ins and distribution are fueling Copilot’s surge, though ChatGPT still leads with 25.4M users. adweek.it/46kJHWM
Beyond "sparks" now... very nice, @SebastienBubeck ! side question: is it able to get the v2 result as well, with a bit of nudging / "brainstorming" in the right direction?
Claim: gpt-5-pro can prove new interesting mathematics. Proof: I took a convex optimization paper with a clean open problem in it and asked gpt-5-pro to work on it. It proved a better bound than what is in the paper, and I checked the proof it's correct. Details below.

The challenge AI extends to those of us who write is to surprise ourselves, to travel far out of ourselves and to evade all mimicry by doing what we have never done before.
normally, we’d be #1 at this stage of the season… Google’s AI projecting from recent trend?? I’ve heard that @demishassabis is a Liverpool fan…

we want to hear your "that's another stor[ies]", Eli
How did I end up a Mathematician? (long story) As a child, my dad said to me "our family isn't good in math" and I, preferring soccer and dating to anything involving brain work, accepted this as truth. As an undergrad I studied Biology and CS, to go into Neuroscience (I ended…
how hard is it to add a line to a prompt telling the LLM to write like a very smart, sharp, near-genius who's slightly flawed in terms of spelling and grammar??
Love Lance's ambition in this essay. To each their own, I guess, but I would've picked soccer as the right sport to match with Turing, who showed how a beautiful simple model is both positively universal and -- because of that universality -- leads to bad consequences…
In 1979, Hofstadter first published Gödel, Escher, Bach connected a mathematician, artist and composer connected by self-reference and paradoxes. But who can we choose to capture the true beauty and complexity of computation? blog.computationalcomplexity.org/2025/07/turing…
In 1979, Hofstadter first published Gödel, Escher, Bach connected a mathematician, artist and composer connected by self-reference and paradoxes. But who can we choose to capture the true beauty and complexity of computation? blog.computationalcomplexity.org/2025/07/turing…
a vegan chicken joint called No Harm No Fowl. who’s building this?
Just ahead of July 4th 🇺🇸 🎇, we launched a new version of our Shopping AI: An assistant that interactively probes the user to help them learn about the space of relevant products, making shopping fun and efficient! Give it a spin -- and a Happy Independence Day to all!
I was telling someone about @3blue1brown and I realized that Grant Sanderson is ten years out of college this summer; what an impactful decade he has had -- and what a rare combination of talent, passion, taste, consistency, and purpose! Thank you, Grant, on behalf of everyone…
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