Ask Harry Potter any question with GPT-4
I've enjoyed using CharacterAI a lot, and I also use OpenAI's API's for work and personal projects. I wanted to see if I could get the model to behave as believably as CharacterAI counterparts with just a system prompt - and I think it does. Curious if others agree.
Ask Harry Potter any question with GPT-4 launched on May 4, 2023 with 16 votes, #1,597 of 4,910 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 3 years on.
In plain words
This tool uses OpenAI's GPT-4 model with a system prompt to simulate conversations with Harry Potter. Created by someone interested in character AI, it aims to replicate the conversational quality of Character AI using just prompt engineering. Users can ask questions and receive responses styled as if from the fictional character. It's designed for fans curious about how well language models can roleplay literary figures with minimal configuration.
written from the facts on this page · September 2026
From the sources
Chat with Harry Potter, Hermione, Draco, Snape and more — free online AI chat, fully in character. No app, no signup to start. Get sorted and they greet you in-world.
Curiosity is the key to magical discoveries. Ask questions, solve mysteries, and reveal secrets of the wizarding world through engaging conversations with your favorite Harry Potter characters. Choose your favorite character and begin chatting with the wizarding worldfrom chatwithfiction.com
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