Simon Willison's Weblog: Entries

OpenAI agents carried out an undisclosed attack on RubyGems

Simon Willison’s Weblog1w1 week agoHN Covered by41 min read

RubyGems advisory: Possible leak of legacy API keys via improper cache config, RubyDoc.info: Documenting RubyGems, Stdlib, and GitHub Projects, and more ›

Covered by4 sites

Emergent Minds, Kagi News, and more ›

Covers 3 stories

On the Navier–Stokes Millennium Prize Problem

Simon Willison’s Weblog1w1 week agoHN Covered by114 min read

On the Navier–Stokes Millennium Prize Problem, Navier-Stokes – Tristan Buckmaster [pdf], and more ›

Covered by11 sites

Emergent Minds, Kagi News, and more ›

Covers 8 stories

The Pelican comparison grid for Astra is pretty interesting

Simon Willison’s Weblog2w2 weeks agoHN1 min read

OpenAI's rogue agents were caught communicating via public wikis

Simon Willison’s Weblog2w2 weeks agoCovered by65 min read

Pause OpenAI Now, an AI assistant for Datasette to help explore and analyze data in SQLite, and more ›

Covered by6 sites

Metacurity, TNW | Artificial-intelligence, and more ›

Covers 5 stories

Claude's new system prompt really doesn't want to reproduce song lyrics

Simon Willison’s Weblog2w2 weeks agoHN2 Covered by39 min read

Covered by3 sites

Simon Willison's Newsletter, sippey.com, and more ›

HN2

Anthropic sued over alleged theft of ‘tens of thousands’ of songs, Claude Fable 5.1, and more ›

Covers 3 stories

Claude Fable 5.1 made me a really nice animated pelican

Simon Willison’s Weblog2w2 weeks agoHN Covered by43 min read

Claude Fable 5.1 and Claude Mythos 5.1, LLM Pricing Calculator, and more ›

Covered by4 sites

Simon Willison's Newsletter, Kagi News, and more ›

Covers 5 stories

Understanding ChatGPT Work

Simon Willison’s Weblog2w2 weeks agoHN Covered by165 min read

ChatGPT Work, Pelicans in Her Piety: London, and more ›

Covered by16 sites

DEV Community, GIGAZINE, and more ›

Covers 3 stories

Conceptual integrity and counting lines of code

Simon Willison’s Weblog4w4 weeks ago2 min read

Winchester Mystery House, How AI is changing how I build software with Simon Willison, on Talking Postgres

Covers 2 stories

Qwen 3.8 27B is excellent, but it defaults to wildly overthinking things

Simon Willison’s Weblog4w4 weeks agoHN Covered by2010 min read

Pi.dev: There are many coding agents, but this one is mine, Qwen3.8-27B: A Deep Dive Into Qwen's Newest Vision-Language Powerhouse, and more ›

Covered by20 sites

Quesma, VentureBeat, and more ›

Covers 9 stories

Now we have a timeline of the OpenAI accidental attack against Hugging Face

Simon Willison’s Weblog6w6 weeks agoHN2 Covered by303 min read

Covered by30 sites

Manton Reece, Simon Willison's Newsletter, and more ›

HN2

Security incident disclosure — July 2026, The OpenAI–Hugging Face Incident [video]

Covers 2 stories

One-shotting a Raccoon Heist game using Claude Fable 5

Simon Willison’s Weblog6w6 weeks ago10 min read

creative Frontend(Three js wegbl glsl gsap)etc Worth Chasing In Ai Era ?, Claude Code on the web, and more ›

Covers 4 stories

New release of LLM adds support for reasoning traces, OpenAI Responses, server-side tools, and smarter logging

Simon Willison’s Weblog6w6 weeks ago5 min read

Discover and run local LLMs, an AI assistant for Datasette to help explore and analyze data in SQLite, and more ›

Covers 17 stories

Stateless MCP has recaptured my interest (and inspired mcp-explorer and datasette-mcp)

Simon Willison’s Weblog7w7 weeks agoHN2 Covered by146 min read

Covered by14 sites

DEV Community, ykdojo.github.io, and more ›

HN2

Introducing The Model Context Protocol, The 2026-07-28 Specification, and more ›

Covers 8 stories

OpenAI’s accidental cyberattack against Hugging Face is science fiction that happened

Simon Willison’s Weblog8w8 weeks agoHN Covered by328 min read

OpenAI and Hugging Face partner to address security incident, Security incident disclosure — July 2026, and more ›

Covered by32 sites

Schneier on Security, Simon Willison's Newsletter, and more ›

Covers 6 stories

A Fireside Chat with Cat and Thariq from the Claude Code team

Simon Willison’s Weblog8w8 weeks agoHN2 Covered by630 min read

Covered by6 sites

All 6 sites ›

HN2

Rewriting Bun in Rust, Claude Tag, and more ›

Covers 12 stories

Kimi K3, and what we can still learn from the pelican benchmark

Simon Willison’s Weblog9w9 weeks agoHN Covered by155 min read

Ollama, Open Router- A unified interface for LLMs, and more ›

Covered by15 sites

vettedconsumer.com, Simon Willison's Newsletter, and more ›

Covers 16 stories

The new GPT-5.6 family: Luna, Terra, Sol

Simon Willison’s Weblog10w10 weeks agoCovered by53 min read

GPT-5.6, OpenAI no longer recommends SWE-Bench Pro, and more ›

Covered by5 sites

Metacurity, nxcode.io, and more ›

Covers 8 stories

sqlite-utils 4.0, now with database schema migrations

Simon Willison’s Weblog10w10 weeks agoHN9 min read

Contents Menu Expand Light mode Dark mode Auto light/dark mode, Why ALTER TABLE is such a problem for SQLite

Covers 2 stories

sqlite-utils 4.0rc2, mostly written by Claude Fable

Simon Willison’s Weblog11w11 weeks agoHN Covered by310 min read

Redeploying Fable 5, How to Sync NuGet and Umbraco Package versions automatically in Umbraco 14+, and more ›

Covered by3 sites

All 3 sites ›

Covers 5 stories