Simon Willison • 7/27/2026

An opinionated guide to which AI to use to do stuff

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This article provides an opinionated guide to choosing AI tools for various tasks, tracking the evolution from chat-based models like ChatGPT, Claude, and Gemini to agentic systems capable of performing hours of human work. It explains the confusing naming conventions for modes like ChatGPT Work, Codex, Claude Cowork, and Code, and highlights differences between mobile and desktop app capabilities, including internet access for Code Interpreter. The guide offers practical advice on giving AI access to your computer for more powerful automation.

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#Chatgpt #Codex #AI Models
An opinionated guide to which AI to use to do stuff

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