July 7, 2026
Ship happens
YC CEO says he ships 37K LoC/day AI code. A developer looked under the hood
Turns out that ‘insane shipping streak’ had commenters screaming ‘more mess, not more magic’
TLDR: Garry Tan boasted about using AI to crank out huge amounts of code, but a developer’s teardown of his website turned that flex into a roast. Commenters mostly said this is what happens when speed beats judgment: lots of output, not enough quality, and a very public mess.
Y Combinator boss Garry Tan bragged that he and his artificial intelligence coding helpers were pumping out 37,000 lines of code a day across five projects. Then the internet did what the internet does best: it grabbed a flashlight, looked under the floorboards, and started yelling. A developer known as Gregorein inspected Tan’s website and claimed it was stuffed with wasteful extras, oversized files, duplicate bits, and even test material that regular visitors should never have to download. In plain English: critics say the site looked less like a sleek speed-run and more like someone moved into production with all the packing boxes still attached.
That sparked a delicious comments-section pile-on. The loudest reaction was basically: stop bragging about line count. One commenter compared the whole thing to the old fantasy of the “10x engineer” getting a shiny new toy and acting like they’re now “100x.” Another said counting lines of code is almost a red flag by itself, because good builders often try to write less, not more. The joke practically wrote itself: if your big flex is “I made the number bigger,” maybe the number is the problem.
But not everyone was ready to burn the whole AI toolbox. Some pushed back, saying plenty of real-world software is bloated and messy, so the outrage felt a little performative. Still, the winning mood was brutal and funny: AI can help people build fast, commenters said, but fast without judgment is how you end up with a digital house that looks fine from the street and collapses when you open the door.
Key Points
- •Garry Tan said on X that he and AI coding agents were deploying 37,000 lines of code per day across five projects and that he was on a 72-day shipping streak.
- •A developer named Gregorein reviewed the front-end output of Tan’s AI-focused site and reported multiple examples of code bloat and inefficiency.
- •The article says the site made 169 server requests totaling 6.42 MB, versus 7 requests and 12 KB for the Hacker News homepage.
- •Reported issues included 28 test files sent to users, 78 JavaScript controllers loaded for unused features, duplicate content, an empty CSS file, and oversized PNG images.
- •The article uses the example to argue that rapid AI-assisted code generation can outpace human review, making code quality and testing critical before production deployment.