A limit to the chats in the Fee plan?

Environment

  • Surface: Web

Bug

I use Free plan that includes unlimited text chats. But after a few responses I’m getting “Message limit exceded” (my translation from Russian) message and the chat ceases to work. WTF?

Reproduction

Steps or a minimal example prompt:

Diagnostics

Exact error or screenshot:
When it happened (with timezone) and how often:

Welcome to the forum!

It notes:

Unlimited text chats with GPT-5.6 Luna

Exactly, the question is why I’m getting this “Message limited exceeded”?

Based on your other post, my best guess is that you have reached the quota for uploads in the allotted time.

For uploads - yes, indeed, but I am not trying to make any new uploads! This message appears in the regular text chat in which there are some earlier uploads - allegedly, because of that. But there are no such restrictions in the plan’s description!

What happens if you start a new chat and only do a text prompt?

If that works then I suspect the upload check is done for the entire chat session, not just the prompts.

When I tried a new chat right after this message, it opened without “send” button. Now (a few hours after) it seems to open normally.

If the upload check is applied to the whole chat, this is a bug

Could be a bug as I do not see these details noted in the help page, however as a developer it may be very hard to fix the code so it works as expected. It would be easier just to update the help page.

Also it could happen because I used “Think” button repeatedly - but in the plan there is no mention on any limits on “think” regime. BTW, there are no transparent plan’s conditions at all, which is weird.

I have just regained my access to this chat and continued without a “Think” regime. After a dozen of replies I’ve got an empty prompt field without a “send” button, and with no explanation. Another chat works.

Hey @net_reklame! Having the Send button disappear without an explanation isn’t ideal.

Regular text chats are still subject to abuse-prevention safeguards, while features such as Thinking, file uploads, image generation, and data analysis may have their own usage limits. These limits can vary based on your plan, selected model, and workspace settings. You can find more details in GPT-5.6 and GPT-6 Pro in ChatGPT.

Since another conversation works normally, the issue may be specific to the affected conversation.

Please try a hard refresh, then open the affected conversation in an incognito or private window. If the issue continues, please share:

  1. The exact message shown or a redacted screenshot, including the timestamp and timezone
  2. Your browser or app name and version

If the issue also occurs in incognito mode, please attach a sanitized HAR file to an existing private support request. A HAR file can help us narrow down the cause, but it may contain private information. If you do not have a support request, contact support@openai.com. Please share only the case number here, not the HAR file or any account details.

- Saisha