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Simon Willison's Weblog: Entries
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Introducing gisthost.github.io
Simon Willison’s Weblog
37w
37 weeks ago
Simon Willison’s Weblog
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2025: The year in LLMs
Simon Willison’s Weblog
37w
37 weeks ago
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How Rob Pike got spammed with an AI slop “act of kindness”
Simon Willison’s Weblog
38w
38 weeks ago
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A new way to extract detailed transcripts from Claude Code
Simon Willison’s Weblog
38w
38 weeks ago
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Cooking with Claude
Simon Willison’s Weblog
38w
38 weeks ago
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Your job is to deliver code you have proven to work
Simon Willison’s Weblog
39w
39 weeks ago
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Gemini 3 Flash
Simon Willison’s Weblog
39w
39 weeks ago
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I ported JustHTML from Python to JavaScript with Codex CLI and GPT-5.2 in 4.5 hours
Simon Willison’s Weblog
39w
39 weeks ago
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JustHTML is a fascinating example of vibe engineering in action
Simon Willison’s Weblog
39w
39 weeks ago
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OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI
Simon Willison’s Weblog
40w
40 weeks ago
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GPT-5.2
Simon Willison’s Weblog
40w
40 weeks ago
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Highlights from my appearance on the Data Renegades podcast with CL Kao and Dori Wilson
Simon Willison’s Weblog
42w
42 weeks ago
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Claude Opus 4.5, and why evaluating new LLMs is increasingly difficult
Simon Willison’s Weblog
42w
42 weeks ago
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Simon Willison’s Weblog
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sqlite-utils 4.0a1 has several (minor) backwards incompatible changes
Simon Willison’s Weblog
42w
42 weeks ago
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Olmo 3 is a fully open LLM
Simon Willison’s Weblog
43w
43 weeks ago
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Nano Banana Pro aka gemini-3-pro-image-preview is the best available image generation model
Simon Willison’s Weblog
43w
43 weeks ago
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How I automate my Substack newsletter with content from my blog
Simon Willison’s Weblog
43w
43 weeks ago
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Trying out Gemini 3 Pro with audio transcription and a new pelican benchmark
Simon Willison’s Weblog
43w
43 weeks ago
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What happens if AI labs train for pelicans riding bicycles?
Simon Willison’s Weblog
44w
44 weeks ago
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Reverse engineering Codex CLI to get GPT-5-Codex-Mini to draw me a pelican
Simon Willison’s Weblog
45w
45 weeks ago
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