Otter Potter

Which ChatGPT model actually answered? How to check, and how to keep count of your limit

Updated October 10, 2026 · By Otter Potter, the maker of Model Truth (not neutral; we say where it matters).

You pick a model, and the answer feels off: faster, shallower, not what you’re paying for. You’re not imagining that it can happen. In 2026, paying users have reported answers coming from a smaller model for days, a Pro model being swapped for a mini one, the model selector resetting by itself, and hard limits arriving without warning. Here is how to see what you actually got.

Why the model can differ from the one you picked

OpenAI doesn’t publish the exact limits for Plus and Pro, and they have changed during the year.

1. Don’t ask ChatGPT which model it is

It’s the obvious test and it doesn’t work. A model doesn’t reliably know its own name, and will often answer with whatever sounds plausible. Treat that answer as a guess.

2. Look at the selector before you send (free)

Glance at the model name at the top of the chat before each important question, especially in a new chat. It takes a second and catches the commonest cause, a reset selector. It tells you what you asked for, not what answered.

3. Look under the answer (free)

ChatGPT has at times shown the model used in the small menu under an answer, next to the option to try again. Where it sits has changed between updates, so it may not be there for you today. If it is, that is ChatGPT’s own record and you can trust it.

4. Keep your own count (free)

ChatGPT doesn’t show “12 messages left”. If you hit limits often, note the time when you get the limit message and when it lifts. After a few days you’ll know your own pattern better than any published number.

5. An extension that labels every answer

Model Truth for ChatGPT (we make this, the labels are free) puts a small label under each answer naming the model that wrote it, and marks it in amber when it differs from the model the rest of the chat used. It also counts your answers in the last three hours on the toolbar button. The model name comes from ChatGPT’s own record of the conversation, read in your browser; nothing is sent to us.

What it can’t do: it can’t show how many messages you have left, because ChatGPT doesn’t tell the page that; it counts what you’ve used. It can’t stop a switch, only show it. It works on chatgpt.com in a desktop browser, not in the phone apps.

Questions

Is a different model always a downgrade?
No. If you switched models yourself partway through a chat, the label will differ too. It’s worth a look, not proof of a fault.
Can I get a refund if I was given a smaller model?
That’s between you and OpenAI. A dated note of which model answered, and when, is more useful to their support than “it felt worse”.
Is Model Truth made by OpenAI?
No. It’s made by Otter Potter and is not affiliated with OpenAI.