Use GPT-5.4 Mini for Fast Reasoning on Free Tiers
Access advanced reasoning for small tasks via the Thinking menu.
Leverage GPT-5.4 mini via the 'Thinking' menu for fast, cost-efficient coding and reasoning tasks even on free tiers.
The Scenario
You are a Free or Go tier user who needs to debug a specific block of code or clean up a messy dataset quickly without hitting major usage limits.
Before & after
Manual debugging of small code snippets or formatting records often required extensive searching on Stack Overflow or manual Regex work. This usually took 15–30 minutes.
Utilize the 'Thinking' feature in the + menu to access GPT-5.4 mini's reasoning for quick coding scripts or data cleanup. This takes roughly 1–2 minutes.
The Prompt
[PASTE_CODE_OR_DATA] - I need to find the bug in this snippet and optimize the loop for better performance. Use your reasoning capabilities to explain the fix.
Free and Go users can now access high-level reasoning for smaller tasks via GPT-5.4 mini. It is specifically optimized for high-volume workloads and coding subtasks.
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."