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gptzero update v1
Thank you sincerely for signing up for the GPTzero beta. I’m completely awestruck by the support this app has generated. In the past day, over 4000+ people have signed up for the beta (via this substack) and 10,000+ more have tried and tested it out on the Streamlit version, not to mention the 5M+ who read the original tweet.
GPTzero.me is back up in action for all. Feel free to try it yourself now. Huge shoutout to the Streamlit team that generously gave an incredible boost to the GPTzero’s hosting and memory capabilities.
Within the past few hours, I’ve finished updating the GPTzero model, to significantly reduce the rate of false positives and improve output results. It will be shipping to production!
The original model is linear regression, a simple calculation of perplexity, burstiness, and all the variables. The improved model is a logistic regression model — using the exact same variables and inputs, but leveraging a more nuanced classification. Through testing the new model on a dataset of BBC news articles (greene et al.) + AI generated articles from the same headlines prompts, the improved model has a false positive rate of < 2%.
For more on the precise variables and factors used in GPTZero, here’s an article from the Daily Beast that explained it quite well today.
The coming months, I’ll be completely focused on building GPTZero, improving the model capabilities, and scaling the app out fully! Really excited for what awaits.
Do you have feedback on what features you would like to see next? Please let me know.