Topics /

AI & Machine Learning

The most popular blog posts about ai & machine learning on Hacker News. 1,520 posts.

2026
635

A Post-Quantum Future for Let's Encrypt

Let’s Encrypt is committed to a post-quantum-safe Web PKI. The path we’re planning to take is Merkle Tree Certificates (“MTCs”), a new approach that adds post-quantum authentication to the web without sacrificing the speed and reliability that have made TLS universal. This post is about these plans and why we believe…

642

Managing AI Coding Costs at Scale

AI coding tools deliver immense value: at Databricks, agentic coding has measurably improved every velocity metric we track and, in some teams, driven an order-of-magnitude gains in output. But nearly every company deploying AI tools at scale has hit the same wall: exponentially growing costs.

652

Microgpt explained interactively

Walk through Karpathy's 200-line GPT from scratch. Tokenize names into integers, watch softmax convert scores to probabilities, step through backpropagation on a computation graph, explore attention heatmaps, and see a tiny model learn to generate plausible names.

659

An open letter to Dario: if you mean it, open the weights

Dear Dario, You published We Must Pace the Frontier today, which committed Anthropic to embedded third-party evaluators and asked governments to require every other frontier company to match. Sam Altman agreed within hours.1 The stated goal is to slow down the pace of AI progress. I believe you’re being sincere, so…