The GPT-2 weights were released by OpenAI when GPT-2 was released. (https://github.com/openai/gpt-2 https://github.com/openai/gpt-2) Around that time (since no

The GPT-2 weights were released by OpenAI when GPT-2 was released. (https://github.com/openai/gpt-2 https://github.com/openai/gpt-2) Around that time (since no one else was doing it) I released a wrapper to streamline that code and make it much easier to finetune on your own data. (https://github.com/minimaxir/gpt-2-simple https://github.com/minimaxir/gpt-2-simple) Nowadays, the easiest way to interact with GPT-2 is to use the transformers library (https://github.com/huggingface/transformers https://github.com/huggingface/transformers), of which I've created a much better library for GPT-2 that leverages it. (https://github.com/minimaxir/aitextgen https://github.com/minimaxir/aitextgen)