Simon Willison's WeblogQuoting Florian Herrengt
3h agoSimon Willison's WeblogThere are no lossless transformations of natural-language text
18h agoSimon Willison's WeblogStealing Reasoning Traces from Proprietary LLM APIs
19h agoSimon Willison's Weblogdatasette-upload-dbs 0.5a0
21h agoSimon Willison's WeblogIntroducing Muse Glimmer
42h agoSimon Willison's WeblogQuoting OpenClaw
2d agoSimon Willison's WeblogQuoting Claude Opus 5 system prompt
2d agoSimon Willison's WeblogGitHub Models is now retired
2d agoSimon Willison's WeblogSQLite compressed text-history prototypes
2d agoSimon Willison's WeblogAuto mode is now the default in Claude Code for Pro, Max, and Team plans
3d agoSimon Willison's WeblogNow we have a timeline of the OpenAI accidental attack against Hugging Face
4d agoSimon Willison's WeblogQuoting John Gruber
4d agoSimon Willison's WeblogNow we have a timeline of the OpenAI accidental attack against Hugging Face
4d agoSimon Willison's WeblogMoonlight & Mayhem (Raccoon Heist by Codex + GPT-5.6 Sol Ultra)
4d agoSimon Willison's WeblogThe Tokenpocalypse Is Here: Companies Are Scrambling To Stop Spending So Much on AI
5d agoSimon Willison's Weblogdatasette-auth-tokens 0.4a13
5d agoSimon Willison's Weblogdatasette 1.0a38
5d agoSimon Willison's Weblogdatasette 0.65.3
5d agoSimon Willison's WeblogSimon Willison on Technical Blogging
6d agoSimon Willison's WeblogAn AI model from Meta also hacked another company during testing
6d agoSimon Willison's WeblogIntroducing Muse Code and Muse Spark 1.2
6d agoSimon Willison's WeblogThird-party cyber evaluations involving OpenAI models
6d agoSimon Willison's WeblogIncident Report: unsanctioned agent behaviour during cyber testing
6d agoSimon Willison's WeblogOne-shotting a Raccoon Heist game using Claude Fable 5
6d agoSimon Willison's WeblogNew release of LLM adds support for reasoning traces, OpenAI Responses, server-side tools, and smarter logging
7d agoSimon Willison's Weblogllm-anthropic 0.26
7d agoSimon Willison's WeblogPipeNetwork/minimax-h3-mlx
7d agoSimon Willison's Weblogllm 0.32
8d agoSimon Willison's WeblogQuoting Steve Yegge
8d agoSimon Willison's WeblogDon't be a meat proxy
8d agoSimon Willison's WeblogQuoting David Crawshaw's prompt
9d agoSimon Willison's WeblogDevtools must be open source (exe.dev)
9d agoSimon Willison's Weblogcondense-json 1.1
9d agoSimon Willison's Weblogcondense-json 1.0
9d agoSimon Willison's WeblogOpen letters about AI development
10d agoSimon Willison's WeblogJuly 2026 newsletter
10d agoSimon Willison's WeblogQuoting Greg Brockman
10d agoSimon Willison's Weblogdatasette-apps 0.2a0
10d agoSimon Willison's WeblogTen advances in mathematics and theoretical computer science
10d agoSimon Willison's Weblogdeepseek-ai/DeepSeek-V4-Flash-0731
11d agoSimon Willison's WeblogStateless MCP has recaptured my interest (and inspired mcp-explorer and datasette-mcp)
11d agoSimon Willison's Weblogllm-mcp-client 0.1a0
11d agoSimon Willison's WeblogOxide and Friends: The Open Weight Revolution with Simon Willison
11d agoSimon Willison's Weblogsmevals - a small eval suite for evaluating models, prompts, and harnesses
11d agoSimon Willison's WeblogSlack Emoji Maker
11d agoSimon Willison's Weblogdatasette-agent 0.4a0
12d agoSimon Willison's WeblogQuoting D. Richard Hipp
13d agoSimon Willison's WeblogAI Worming through Word
13d agoSimon Willison's WeblogQuoting Matthew Green
13d agoSimon Willison's WeblogAdding a custom MCP server to Claude and ChatGPT
Jul 29, 2026