OpenAI and Open Assistant are two different types of entities. OpenAI is a company which develops artificial intelligence products, such as ChatGPT, while Open Assistant is an AI language model currently in development.

If your question is intended to reference a comparison between ChatGPT and Open Assistant, it is difficult to say which is "better" as at the moment, the two systems are in a very different state. ChatGPT is currently in version 3.5, which is available to users worldwide in a free research preview mode. Open Assistant, on the other hand, is not yet available for use.
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