Trust me, I've been tempted. But then I remember that I have agency. And dignity. 😉
AGI
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Sub-Agent Pattern in Claude: Context Window Job Dispatch
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That's pretty much the sub-agent pattern, as seen in Claude Code and Claude Research and friends – the parent LLM can dispatch a job to a sub-agent which then works on it as part of its own fresh context window and passes the result back up when it's done
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Confronting AI Risks While Building Community and Hope
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The job is on us, collectively, to not run away from the darkness, confront the risk that is very, very real, and still operate from a position of optimism and confidence and hope and connection to humanity. Great to chat with @Trevornoah about building community, friendship, AI
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AI Agents Versus Human Agency: Definitional Critique
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Includes this note about why agents as human replacements is my least favorite definition – because unlike AI agents, humans have agency!
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Agency: The Critical Difference Between AI Agents and Humans
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In my post I argue that "agency" is the one thing that AI agents don't have and humans do! https://
simonwillison.net/2025/Sep/18/ag
ents/#agents-as-human-replacements-is-my-least-favorite-definition
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ML Models Successfully Solving IMO and ICPC Competitions
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With IMO and ICPC solved by ML models, this is rapidly becoming true
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Reasoning System Achieves Perfect Score in 2025 ICPC Competition
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perfect score on the 2025 ICPC programming competition from our latest reasoning system:
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Citizens as State Shareholders: UBI and AI in 2050
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In 2023 I wrote an essay for LEVEL about what law, order, and UBI might look like in 2050. In short: In 2050, citizens are not servants of the state but its shareholders—entitled to dividends in the form of UBI, powered by AI and natural resources. Now on my blog:
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GPT-5 Solves Majority of Problems, Advancing AI Intelligence
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GPT-5 solved the majority of problems, underscoring our achievement in providing one of the most intelligent and widely accessible AI models to the public. Just one year ago, our reasoning models were significantly less intelligent and far more expensive. Today, we've developed
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AI Solves All ICPC World Finals Problems Achieving First Place
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Our general-purpose reasoning models solved all 12 problems at the 2025 International Collegiate Programming Contest (ICPC) World Finals, the world’s top university programming competition which was enough for a 1st-place human ranking.