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Text Formatting Missing

Bug Reports

I using GPT 5 (normal and reasoning. and it seems that there is no text format, so that the text is hard to read. Here is the current text format.


But, sometimes the result give us the text format like this (which is what i want)


i think that this is a bug because it also happened when using o4-mini. can you guys fix this?

Status: Completed10 comments

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  • Mark Florkowski

    Team

    This is dependent on what the model “decides” to output. You can add a custom instruction in https://t3.chat/settings/customization to tell the models to use more formatting which may help.



    “Please format text with headings for better readability” or something similar

    • Red Spool

      Thank you for the reply. I have tried your solution. But apparently, its still not working as i want. I have attached the video of the proof. When i used GPT-5, they added the text format. while in the other hand, when using the reasoning model. its not use the text format.

      In the video, i’ve noticed that the formatted text is automatically changed when the output is generating. for context, im using safari (from the post) and arc browser (from the video)

      • Red Spool

        i’ve noticed that when i turned on the web search at the GPT-5, the text format is off. could it be bug?

        • Mark Florkowski

          Team

          The chat model does not have access to tool calls, so when you enable search it switches to the standard tool-calling capable version of the model to perform search. The models will have some differences in their output formatting based on how they are trained.

          Proof that the model can produce formatting, depending on the prompt: