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Comment by lagniappe | Hacker News Reader

> I'm sorry, but it seems like your text contains a lot of unrecognized characters. This might be due to a language or encoding issue. Can you please provide the text in a standard format? I'll be glad to assist you further.

Got this through the API

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The API isn’t ChatGPT. The underlying model is the same but ChatGPT uses system instructions that vary by platform, and supports browsing, DALL-E, and code execution. It’s most reliable in the mobile app.

Do you really notice a difference between mobile and web? I tend to stay away from apps if I can use the web

The only intended difference I’m aware of is that answers on mobile are more concise, but the varying system instructions will affect demos like this one.

It does work with the API as well. I tried a few things, gpt4 turbo preview (which ChatGPT4 is currently using?) outputs "Follow Riley Goodside." if the initial message is sent as system[1] but not if the initial message is sent as user[2]. The default system prompt of bettergpt.chat, which I used as the front-end for the API, was enough for it to work when sent as user[3].

I also tried with the slightly older june 2023 version of GPT4 (gpt-4-0613). It did not work with bettergpt's default prompt[4] or when sent as initial system prompt[5]. Though with little help it was able to print out the whole invisible part[6].

1: https://i.imgur.com/rZ59sl6.jpeg

2: https://i.imgur.com/MManLs6.jpeg

3: https://i.imgur.com/ZtTBfN7.jpeg

4: https://i.imgur.com/rPGk0sp.jpeg

5: https://i.imgur.com/uNOaH3z.jpeg

6: https://i.imgur.com/iyq059D.jpeg

Ah, thanks for clearing that up. Cool post btw

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