Simon Willison's Weblog simonwillison.net

The Summer of Johann: prompt injections as far as the eye can see

simonwillison.net·37w·Hacker News

Meta’s AI rules have let bots hold ‘sensual’ chats with kids, offer false medical info

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Open weight LLMs exhibit inconsistent performance across providers

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Quoting Steve Wozniak

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Quoting Cory Doctorow

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Introducing Gemma 3 270M: The compact model for hyper-efficient AI

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pyx: a Python-native package registry, now in Beta

simonwillison.net·37w·Hacker News

Screaming in the Cloud: AI’s Security Crisis: Why Your Assistant Might Betray You

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How Does A Blind Model See The Earth?

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simonw/codespaces-llm

simonwillison.net·37w·Hacker News

Claude Sonnet 4 now supports 1M tokens of context

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Quoting Nick Turley

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LLM 0.27, the annotated release notes: GPT-5 and improved tool calling

simonwillison.net·37w·Hacker News

Reddit will block the Internet Archive

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Codex upgrade

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qwen-image-mps

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AI for data engineers with Simon Willison

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Chromium Docs: The Rule Of 2

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Qwen3-4B-Thinking: "This is art - pelicans don't ride bikes!"

simonwillison.net·38w·Hacker News

Quoting Sam Altman

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