Decent Newsroom

by Simon Willison's Weblog Apr 30, 2026 · Edited

We need RSS for sharing abundant vibe-coded apps

We need RSS for sharing abundant vibe-coded apps (https://interconnected.org/home/2026/04/29/syndicating-vibes) Matt Webb: I would love an RSS web feed for all those various tools and apps pages,

by Simon Willison's Weblog Apr 30, 2026 · Edited

The Zig project's rationale for their firm anti-AI contribution policy

Zig (https://ziglang.org/) has one of the most stringent anti-LLM policies (https://ziglang.org/code-of-conduct/) of any major open source project: No LLMs for issues. No LLMs for pull requests.

by Simon Willison's Weblog Apr 29, 2026 · Edited

llm 0.32a1

Release: llm 0.32a1 (https://github.com/simonw/llm/releases/tag/0.32a1) • Fixed a bug in 0.32a0 where tool-calling conversations were not correctly reinflated from SQLite. #1426

by Simon Willison's Weblog Apr 29, 2026 · Edited

LLM 0.32a0 is a major backwards-compatible refactor

I just released LLM 0.32a0 (https://llm.datasette.io/en/latest/changelog.html#a0-2026-04-28), an alpha release of my LLM (https://llm.datasette.io/) Python library and CLI tool for accessing LLMs,

by Simon Willison's Weblog Apr 28, 2026 · Edited

Quoting OpenAI Codex base_instructions

Never talk about goblins, gremlins, raccoons, trolls, ogres, pigeons, or other animals or creatures unless it is absolutely and unambiguously relevant to the user's query. — OpenAI Codex

by Simon Willison's Weblog Apr 28, 2026 · Edited

Quoting Matthew Yglesias

Five months in, I think I've decided that I don't want to vibecode — I want professionally managed software companies to use AI coding assistance to make more/better/cheaper software products that

by Simon Willison's Weblog Apr 28, 2026 · Edited

What's new in pip 26.1 - lockfiles and dependency cooldowns!

What's new in pip 26.1 - lockfiles and dependency cooldowns! (https://ichard26.github.io/blog/2026/04/whats-new-in-pip-26.1/) Richard Si describes an excellent set of upgrades to Python's default

by Simon Willison's Weblog Apr 28, 2026 · Edited

Introducing talkie: a 13B vintage language model from 1930

Introducing talkie: a 13B vintage language model from 1930 (https://talkie-lm.com/introducing-talkie) New project from Nick Levine (https://nlevine.org), David Duvenaud

by Simon Willison's Weblog Apr 27, 2026 · Edited

microsoft/VibeVoice

microsoft/VibeVoice (https://github.com/microsoft/VibeVoice) VibeVoice is Microsoft's Whisper-style audio model for speech-to-text, MIT licensed and with speaker diarization built into the model.

by Simon Willison's Weblog Apr 27, 2026 · Edited

Tracking the history of the now-deceased OpenAI Microsoft AGI clause

For many years, Microsoft and OpenAI's relationship has included a weird clause saying that, should AGI be achieved, Microsoft's commercial IP rights to OpenAI's technology would be null and void.

by Simon Willison's Weblog Apr 27, 2026 · Edited

Speech translation in Google Meet is now rolling out to mobile devices

Speech translation in Google Meet is now rolling out to mobile devices (https://workspaceupdates.googleblog.com/2026/04/speech-translation-in-google-meet-is-now-rolling-out-to-mobile-devices.html) I

by Simon Willison's Weblog Apr 25, 2026 · Edited

WHY ARE YOU LIKE THIS

@scottjla on Twitter (https://twitter.com/scottjla/status/2047535371664457863) in reply to my pelican riding a bicycle (https://simonwillison.net/tags/pelican-riding-a-bicycle/) benchmark: I feel

by Simon Willison's Weblog Apr 25, 2026 · Edited

Quoting Romain Huet

Since GPT-5.4, we’ve unified Codex and the main model into a single system, so there’s no separate coding line anymore. GPT-5.5 takes this further, with strong gains in agentic coding, computer

by Simon Willison's Weblog Apr 25, 2026 · Edited

GPT-5.5 prompting guide

GPT-5.5 prompting guide (https://developers.openai.com/api/docs/guides/prompt-guidance?model=gpt-5.5) Now that GPT-5.5 is available in the API