Simon Willison's Weblog simonwillison.net

Changes in the system prompt between Claude Opus 4.6 and 4.7

simonwillison.net·1w·Hacker News, Hacker News

Claude system prompts as a git timeline

simonwillison.net·2w·Hacker News

Adding a new content type to my blog-to-newsletter tool - Agentic Engineering Patterns

simonwillison.net·2w

Join us at PyCon US 2026 in Long Beach - we have new AI and security tracks this year

simonwillison.net·2w

Release: datasette 1.0a28

simonwillison.net·2w

llm-anthropic 0.25

simonwillison.net·2w

Qwen3.6-35B-A3B on my laptop drew me a better pelican than Claude Opus 4.7

simonwillison.net·2w·Hacker News

Tool: datasette.io news preview

simonwillison.net·2w

Release: datasette-export-database 0.3a1

simonwillison.net·2w

Release: datasette 1.0a27

simonwillison.net·2w

Quoting John Gruber

simonwillison.net·2w

Gemini 3.1 Flash TTS

simonwillison.net·2w·Hacker News

Gemini 3.1 Flash TTS

simonwillison.net·2w

Quoting Kyle Kingsbury

simonwillison.net·2w

Zig 0.16.0 release notes: “Juicy Main”

simonwillison.net·2w

datasette PR #2689: Replace token-based CSRF with Sec-Fetch-Site header protection

simonwillison.net·2w

Trusted access for the next era of cyber defense

simonwillison.net·2w

Cybersecurity Looks Like Proof of Work Now

simonwillison.net·2w

Quoting Steve Yegge

simonwillison.net·2w

Research: Exploring the new `servo` crate

simonwillison.net·2w

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