Article List

I talked with CL Kao and Dori Wilson for an episode of their new Data Renegades podcast titled <a href="https://www.heavybit.c...

Google Antigravity Exfiltrates Data PromptArmor demonstrate a concerning prompt injectio...

Constant-time support lands in LLVM: Protecting cr...

llm-anthropic 0.23 New plugin release adding support for Claude Opus 4.5, including the new thinki...

LLM SVG Generation Benchmark Here's a delightful project by Tom Gally, inspired by my <a href="http...

If the person is unnecessarily rude, mean, or insulting to Claude, Claude doesn't need to apologize and can insis...

Anthropic released Claude Opus 4.5 this morning, which they call "best model in the world for coding, agents, and computer use". This is...

sqlite-utils 3.39 I got a report of a...

I released a new alpha version of sqlite-utils last night - t...

&quot;Good engineering management&quot; is a fad Will Larson argues that the technology industry's idea of what makes ...

Agent design is still hard Armin Ronacher presents a cornucopia of lessons learned from building agents over ...

Olmo is the LLM series from Ai2 - the Allen institute for AI. Unlike most open weight models these are notable for including the full training data, t...

We should all be using dependency cooldowns William Woodruff gives a name to a s...

Hot on the heels of Tuesday's Gemini 3 Pro release, today it's Nano Banana...

Previously, when malware developers wanted to go and monetize their exploits, they would do exactly one thing: en...

Building more with GPT-5.1-Codex-Max Hot on the heels of yesterday's <a href="https://simonwillison.net/2025/Nov/18/ge...

I sent out my weekly-ish Substack newsletter this morning and took the opportunity to record <a href="https://www.yout...

Cloudflare's network began experiencing significant failures to deliver core network traffic [...] triggered by a change to o...