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Unlock Advanced Reasoning as a Free User via GPT-5.4 mini
Access advanced reasoning for free via the new Thinking menu.
Free users can now leverage advanced reasoning by manually selecting the 'Thinking' option in the '+' menu to activate GPT-5.4 mini.
ChatGPT
The Scenario
You are a free user who needs to solve a complex coding bug or a scientific reasoning problem that simple models fail at.
Before & after
The old way
Free users often lacked access to high-level reasoning models, requiring a $20/month subscription to solve complex logic puzzles or code.
With AI
By selecting 'Thinking' in the + menu, you can access the GPT-5.4 mini reasoning engine for free, getting complex answers in under 1 minute.
The Prompt
[PASTE_COMPLEX_PROBLEM_OR_CODE_BLOCK]. Please use your thinking/reasoning capabilities to solve this step-by-step.
GPT-5.4 mini is now available to Free and Go users specifically through the 'Thinking' feature located in the '+' menu of the ChatGPT interface.
Source
Model Release Notes | OpenAI Help Center"GPT-5.4 mini is available to Free and Go users via the “Thinking” feature in the + menu."