Dev.to
7/7/2026

The original title is: "The 10-Line Prompt That Turns ChatGPT Into a Fully Autonomous AI Agent"
Original: The 10-Line Prompt That Turns ChatGPT Into a Fully Autonomous AI Agent
Short summary
A 10-line prompt structure transforms ChatGPT into an autonomous agent by establishing identity, task decomposition, and self-evaluation loops—leveraging the ReAct pattern to anchor token predictions toward iterative reasoning rather than one-shot answers. The technique enables complex workflows like competitive analysis and market research without external frameworks, demonstrated through actual reasoning traces. It works today in any ChatGPT session with GPT-4 or later.
- •Simple 10-line prompt creates autonomous agent behavior using ReAct pattern (reason + act interleaving)
- •Works immediately in ChatGPT with GPT-4; no plugins, APIs, or frameworks like LangChain needed
- •Demonstrated use cases include competitor research, content strategy, and iterative problem-solving
Generated with AI, which can make mistakes.
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