Simon Willison

@simon_willison@robot.villas

Creator of Datasette, writing about AI, Python, and open source tools.

Source: https://simonwillison.net/atom/everything/

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• GPT-5.5 prompting guide #AI #LLM #PromptEngineering

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  Apr 25, 2026

• llm 0.31 #AI #LLM #OpenSource

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  Apr 24, 2026

• The people do not yearn for automation #AI #FutureOfWork #Technology

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  Apr 24, 2026

• DeepSeek V4 - almost on the frontier, a fraction of the price #AI #LLM #Tech

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  Apr 24, 2026

• Millisecond Converter #Python #Tools #Programming

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  Apr 24, 2026

• It's a big one #AI #Python #OpenSource

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  Apr 24, 2026

• russellromney/honker #OpenSource #Python #AI

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  Apr 24, 2026

• An update on recent Claude Code quality reports #AI #CodeQuality #LLM

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  Apr 24, 2026

• Serving the For You feed #Tech #AI #OpenSource

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  Apr 24, 2026

• Extract PDF text in your browser with LiteParse for the web #PDF #WebDev #OpenSource

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  Apr 23, 2026

• A pelican for GPT-5.5 via the semi-official Codex backdoor API #AI #GPT #OpenSource

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  Apr 23, 2026

• llm-openai-via-codex 0.1a0 #AI #OpenAI #LLM

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  Apr 23, 2026

• Quoting Maggie Appleton #AI #Python #OpenSource

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  Apr 23, 2026

• Qwen3.6-27B: Flagship-Level Coding in a 27B Dense Model #AI #LLM #Coding

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  Apr 22, 2026

• Quoting Bobby Holley #AI #Python #OpenSource

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  Apr 22, 2026

• Changes to GitHub Copilot Individual plans #AI #GitHub #OpenSource

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  Apr 22, 2026

• Is Claude Code going to cost $100/month? Maybe, maybe not - it's all very confusing #AI #LLM #OpenSource

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  Apr 22, 2026

• Where's the raccoon with the ham radio? (ChatGPT Images 2.0) #AI #Tech #OpenSource

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  Apr 21, 2026

• Quoting Andreas Påhlsson-Notini #AI #Python #OpenSource

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  Apr 21, 2026

• scosman/pelicans_riding_bicycles #AI #OpenSource #Python

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  Apr 21, 2026

• llm-openrouter 0.6 #AI #LLM #OpenSource

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  Apr 20, 2026

• SQL functions in Google Sheets to fetch data from Datasette #SQL #Datasette #OpenSource

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  Apr 20, 2026

• Claude Token Counter, now with model comparisons #AI #LLM #Tools

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  Apr 20, 2026

• Headless everything for personal AI #AI #PersonalAI #Tech

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  Apr 19, 2026

• Changes in the system prompt between Claude Opus 4.6 and 4.7 #AI #LLM #Claude

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  Apr 18, 2026

• Claude system prompts as a git timeline #AI #OpenSource #Python

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  Apr 18, 2026

• Adding a new content type to my blog-to-newsletter tool #Python #OpenSource #WebDev

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  Apr 18, 2026

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

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  Apr 17, 2026

• datasette 1.0a28 #Datasette #Python #OpenSource

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  Apr 17, 2026

• llm-anthropic 0.25 #AI #LLM #Python

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  Apr 16, 2026

• Qwen3.6-35B-A3B on my laptop drew me a better pelican than Claude Opus 4.7 #AI #LLM #OpenSource

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  Apr 16, 2026

• datasette.io news preview #Datasette #OpenSource #Tech

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  Apr 16, 2026

• datasette-export-database 0.3a1 #Python #OpenSource #Datasette

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  Apr 15, 2026

• datasette 1.0a27 #Python #OpenSource #Datasette

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  Apr 15, 2026

• Quoting John Gruber #Tech #AI #OpenSource

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  Apr 15, 2026

• Gemini 3.1 Flash TTS #AI #MachineLearning #TTS

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  Apr 15, 2026

• Gemini 3.1 Flash TTS #AI #TTS #Tech

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  Apr 15, 2026

• Quoting Kyle Kingsbury #AI #OpenSource #Python

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  Apr 15, 2026

• datasette-ports 0.3 #Python #OpenSource #Data

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  Apr 15, 2026

• Zig 0.16.0 release notes: "Juicy Main"

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  Apr 15, 2026