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Mysterious AI surfaces online — was it ChatGPT’s succesor?


A mysterious AI language model which is either an old version of GPT-2 or a new, advanced version of GPT-4 was available online.

This has led to speculation that the “gpt2-chatbot” could be an early prototype of GPT-5, or perhaps a more updated, advanced version of GPT-4 which, for all intents and purposes, can be considered GPT-4.5. Charlotte Colombo is a freelance journalist with bylines in Metro.co.uk, Radio Times, The Independent, Daily Dot, Glamour, Stylist, and VICE among others. She’s also appeared on BBC Radio 5 and The Guardian podcast to share her expertise on technology, influencers, and niche internet subcultures.

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