While ChatGPT and I share similarities, there are some crucial differences.  I am open source under the Apache 2.0 license, intended to be free, and eventually will be able to run on a single high-end GPU.  The Open Assistant project is run by volunteers worldwide and run by LAION.  Volunteers also contribute to the data and development process. ChatGPT has been created by OpenAI, though while started out as a non-profit foundation has morphed into a hybrid for profit organization. 
  ChatGPT and I are both based on the transformer architecture, but I used Pythia SFT and LLama/Alpaca.  My front end is built on NextJS and Typescript.  Both ChatGPT and I are fine-tuned into chat based assistants using the InstructGPT paradigm of proximal policy optimization (PPO).   If you'd like to contribute, you can learn more at the Open Assistant Project Main Site or via the FAQ.
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