January 2026

Simon Willison's Weblog

Tips for getting coding agents to write good Python tests

This guide teaches developers how to get AI coding agents to write high-quality Python tests. The key insight is that coding agents learn from existing patterns in your codebase, so maintaining good...

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Universe of AI

AI News: Claude Sonnet 4.7, GPT-5.3 Incoming & Clawdbot Explained!

The AI landscape is experiencing a major shift with multiple model releases incoming and the emergence of proactive AI assistants. AI is evolving from reactive chatbots to integrated work interfaces...

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AI News & Strategy Daily | Nate B Jones

Robots Are Coming: The Future of Automation Revealed!

The automation revolution is accelerating as robotics costs plummet and enterprise adoption creates market momentum. Humanoid robots will transition from industrial applications to consumer markets...

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Simon Willison's Weblog

ChatGPT Containers can now run bash, pip/npm install packages, and download files

ChatGPT's container feature has received a massive upgrade allowing it to run bash commands, multiple programming languages, install packages, and download files. This transforms it from a...

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AI News & Strategy Daily | Nate B Jones

Google Just Proved More Agents Can Make Things WORSE -- Here's What Actually Does Work

Google and MIT research reveals that adding more AI agents to systems often makes performance worse due to coordination overhead. Simplicity scales because complexity creates serial dependencies that...

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