Simon Willison's Weblog simonwillison.net

Magistral 1.2

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The Hidden Risk in Notion 3.0 AI Agents: Web Search Tool Abuse for Data Exfiltration

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Quoting Steve Jobs

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I think "agent" may finally have a widely enough agreed upon definition to be useful jargon now

simonwillison.net·32w·Hacker News

Anthropic: A postmortem of three recent issues

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ICPC medals for OpenAI and Gemini

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Announcing the 2025 PSF Board Election Results!

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Quoting Poul-Henning Kamp

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GPT‑5-Codex and upgrades to Codex

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Models can prompt now

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gpt-5 and gpt-5-mini rate limit updates

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Quoting Matt Webb

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London Transport Museum Depot Open Days

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Comparing the memory implementations of Claude and ChatGPT

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Qwen3-Next-80B-A3B: 🐧🦩 Who needs legs?!

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Defeating Nondeterminism in LLM Inference

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Quoting Kumar Aditya

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Claude API: Web fetch tool

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I Replaced Animal Crossing's Dialogue with a Live LLM by Hacking GameCube Memory

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Quoting Apple Security Engineering and Architecture

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