Is your AI getting worse?

Copy a prompt, try it, and compare · No API key · No answer uploads

Start the fingerprint testSee all 6 methods ↓
17candidate models
1prompt for a first result
~5 minphone or desktop

How it works

  1. 1Copy the promptThe page generates an integer-picking prompt
  2. 2Ask it in a new chat with the AI you want to testOpen this page on the device you use for the AI being tested
  3. 3Paste the reply for a resultCompared locally against 17 candidate models

Choose a method

Digital fingerprintStart hereAbout 5 minutes · Phone or desktopCompare numeric response patterns locally. Results cannot identify the actual model with certainty.Candy reasoning puzzleCopy the candy puzzle, then reveal and compare the 21-candy solution and the blind-draw answer of 29.Pelican on a bicycleCopy an SVG prompt, preview your pelican, and compare structure with community examples.Third-party PoW checkRead a third-party script’s PoW signals, setup instructions and limitations.Help Center restriction message checkChatGPT only · Community reportSend a greeting to OpenAI Support and check for a model or feature restriction message.Community methodsExplore sourced community methods and discussions, with clear limits on what has been verified.

What to do next

  1. 01Repeat in a fresh chat on another network.
  2. 02Save a dated screenshot and compare again another day.
  3. 03Report concerns through your AI product’s help menu.
  4. 04If both follow-up checks look normal, stop testing.

Consider real task performance alongside these results. No single test proves account restrictions or a model substitution.