Different results: ChatGPT3.5 vs API (gpt-3.5-turbo)

API
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I used ChatGPT’s system prompt run on API - with my user prompt that says “no thanks to your system prompt”. I then also ran it multiple times on ChatGPT as the first input.

  • API at temperature 0.5, top_p 0.5
  • ChatGPT with its rather high temperature, (even putting bad grammar in uncommon languages)

Now: which are the API?

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There are hints with even more runs that there is a different ChatGPT model. I didn’t run functions to get that differently-trained model, because the function itself could affect the output more.