Latest / July 27, 2026
7 posts from engineering leaders published July 27, 2026, by Simon Willison, Michael Lopp (Rands), David Heinemeier Hansson and 3 more.
moonshotai/Kimi-K3 As promised earlier this month , Moonshot have released the weights for their excellent 2.8 trillion parameter Kimi K3. They're a hefty 1.56TB on Hugging Face. Kimi introduced their own janky modified version of the MIT license with K2 back in July 2025. That…
An opinionated guide to which AI to use to do stuff It's interesting watching the evolution of Ethan Mollick's guide over time. A year ago it was still all about chat - ChatGPT, Claude, Gemini - with o3, Claude 4 Opus, and Gemini 2.5 Pro as the models and Deep Research as a…
Why do I write? I write because I like the mental state created by writing. It calms and quiets me, but that is not why I write. Why do I write? I write because I am curious and like to understand the world. Writing forces me to understand a thing, a person, a situation. I… more
Stanley Kubrick's 2001: A Space Odyssey has always been an incredible movie, but its value as a cautionary tale has increased exponentially since AI took off. The iconic scene with HAL 9000 refusing to open the pod-bay doors captures the whole alignment question in pulsing-red…
In February 2021, I wrote Robotic Pair Programmers, which is my description of what I would want out of an AI coding assistant. I am pretty sure I was unaware of any “good” AI coding assistants, but a month later I took a look at Kite, which was an early attempt. I think there…
The recently published RFC 9421 describes how to do HTTP Message Signatures, and starting just now, curl experimentally supports them. Message Signatures The specification describes this as a mechanism for creating, encoding, and verifying digital signatures or message…
The best way to prioritize... is to not prioritize.