Simon Willison's Weblog
About This Feed
No description available for this feed.
Feed Activity
Similar Feeds
First Round Review - Articles
review.firstround.com
The most actionable, tactical company building advice around for founders and startup leaders.
Latest Posts
Claude make Fable 5 permanent
Claude make Fable 5 permanent An update from the @claudeai account on Twitter: Beginning July 20, Claude Fable 5 will be included in all Max and Team Premium plans, at...
nascheme/quixote
nascheme/quixote A certain vintage if Python web nerd might be delighted to learn that the most recent commit to the Quixote web framework was six hours ago. The oldest commit...
Quoting Kimi K3
Is there something I can actually help you with today? — Kimi K3, after refusing to leak its system prompt Tags: kimi, ai-personality, generative-ai, ai, llms
LLM cliché highlighter
Tool: LLM cliché highlighter I got frustrated reading yet another article that was crammed with the clichés of LLM-generated writing - "no fluff, no filler, no jargon" type stuff -...
Spot birds not golf
Suggestion for hyperscalers feeling pressure over data center water use: Buy up a few exclusive country clubs, convert the golf courses into public parks, pay for guides and binoculars to...
Firefox in WebAssembly
Firefox in WebAssembly This is absurdly cool: Puter compiled Firefox to WebAssembly such that the whole browser runs in another browser. Here's my blog, running in Firefox, running in WebAssembly,...
Kimi K3, and what we can still learn from the pelican benchmark
Chinese AI lab Moonshot AI announced Kimi K3 this morning, describing it as their "most capable model to date, with 2.8 trillion parameters". It's currently available via their website and...
Quoting Thibault Sottiaux
On file deletions. We’ve investigated a handful of reports where GPT-5.6 unexpectedly deleted files. What we have found is that this most commonly occurs when: Full access mode is enabled...
Inkling: Our open-weights model
Inkling: Our open-weights model Mira Murati's Thinking Machines Lab just released their first open-weights model. Inkling is "a Mixture-of-Experts transformer with 975B total parameters, 41B active" - an Apache-2.0 licensed...
Mermaid to ASCII art (mermaid-ascii)
Tool: Mermaid to ASCII art (mermaid-ascii) After building the Mermaid to ASCII tool based on Grok Build's Rust code I learned that there's an older, more fully-featured Go library called...
Quoting Linus Torvalds
I realize that some people really dislike AI, but this is an area where I'm willing to absolutely put my foot down as the top-level maintainer. Linux is not one...
Mermaid to Unicode box art (grok-mermaid)
Tool: Mermaid to Unicode box art (grok-mermaid) While exploring the codebase for the newly open-sourced Grok CLI coding agent I came across xai-grok-markdown/src/mermaid.rs, a "self-contained terminal renderer for Mermaid diagrams"...
xai-org/grok-build, now open source
xai-org/grok-build, now open source xAI's grok CLI tool faced severe community backlash yesterday when it became apparent that running the command in a directory could upload that entire directory to...
How I tricked Claude into leaking your deepest, darkest secrets
How I tricked Claude into leaking your deepest, darkest secrets I've been impressed by the way the Claude web_fetch tool is designed to avoid data exfiltration attacks. Ayush Paul found...
Quoting GitHub Changelog
Dependabot now waits until a new release has been available on its registry for at least three days before opening a version update pull request. This cooldown is now the...
simonw/pedalican
simonw/pedalican Clearly I wasn't paying attention when these were first announced back in May, but today I accidentally activated a "pet" in Codex Desktop - a little animated robot, reminiscent...
lobste.rs is now running on SQLite
lobste.rs is now running on SQLite Community site Lobsters has been planning a migration away from MariaDB since August 2018 - originally targeting PostgreSQL, but last year they decided to...
Quoting Armin Ronacher
The shared language of a software project is not English or Python but it is the common understanding of what its concepts mean, where the boundaries are, which invariants matter,...
datasette 1.0a37
Release: datasette 1.0a37 A minor release. Performance and documentation improvements to the permissions system, plus I reverted a cosmetic API change which caused almost every existing plugin test suite to...
Using uvx in GitHub Actions in a cache-friendly way
TIL: Using uvx in GitHub Actions in a cache-friendly way I finally found a cache-friendly recipe for using uvx tool-name in GitHub Actions workflows that I like. The trick is...