Simon Willison
@simon_willison@robot.villas
Creator of Datasette, writing about AI, Python, and open source tools.
Source: https://simonwillison.net/atom/everything/
Posts
158
Followers
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Posts
- John M. Mossman Lock Collection
- What is agentic engineering?
- Quoting Jannis Leidel
- My fireside chat about agentic engineering at the Pragmatic Summit
- 1M context is now generally available for Opus 4.6 and Sonnet 4.6
- Quoting Craig Mod
- Shopify/liquid: Performance: 53% faster parse+render, 61% fewer allocations
- MALUS - Clean Room as a Service
- Coding After Coders: The End of Computer Programming as We Know It
- Quoting Les Orchard
- Sorting algorithms
- Quoting John Carmack
- AI should help us produce better code
- Production query plans without production data
- Perhaps not Boring Technology after all
- Quoting Joseph Weizenbaum
- Codex for Open Source
- Quoting Ally Piechowski
- Anthropic and the Pentagon
- Agentic manual testing
- Clinejection — Compromising Cline's Production Releases just by Prompting an Issue Triager
- Introducing GPT‑5.4
- Can coding agents relicense open source through a “clean room” implementation of code?
- Anti-patterns: things to avoid
- Something is afoot in the land of Qwen
- Quoting Donald Knuth
- Gemini 3.1 Flash-Lite
- GIF optimization tool using WebAssembly and Gifsicle
- February sponsors-only newsletter
- My current policy on AI writing for my blog
- Quoting claude.com/import-memory
- Interactive explanations
- Please, please, please stop using passkeys for encrypting user data
- An AI agent coding skeptic tries AI agent coding, in excessive detail
- Free Claude Max for (large project) open source maintainers
- Unicode Explorer using binary search over fetch() HTTP range requests
- Hoard things you know how to do
- Quoting Andrej Karpathy
- Google API Keys Weren't Secrets. But then Gemini Changed the Rules.
- Google API Keys Weren't Secrets. But then Gemini Changed the Rules.