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First impressions of Claude Cowork, Anthropic’s general agent
Plus Fly’s new Sprites.dev addresses both developer sandboxes and API sandboxes at the same time
Jan 13
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Simon Willison
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LLM predictions for 2026, shared with Oxide and Friends
With promising news for Kākāpō parrot breeding season
Jan 9
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Simon Willison
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2025: The year in LLMs
Plus introducing gisthost.github.io
Jan 2
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Simon Willison
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A new way to extract detailed transcripts from Claude Code
and How Rob Pike got spammed with an AI slop “act of kindness”
Dec 28, 2025
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Simon Willison
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OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI
Plus using coding agents to port Rust to Python and then Python to JavaScript
Dec 17, 2025
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Simon Willison
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GPT 5.2 and useful patterns for building HTML tools
Plus a YouTube video, a podcast appearance and more
Dec 12, 2025
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Simon Willison
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Claude Opus 4.5, and why evaluating new LLMs is increasingly difficult
Plus Nano Banana Pro is the best available image generation model
Nov 25, 2025
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Simon Willison
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Trying out Gemini 3 Pro with audio transcription and a new pelican benchmark
Plus what happens if AI labs train for pelicans riding bicycles?
Nov 19, 2025
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Simon Willison
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