I've played around with the concept in the past but there are some issues yet to be solved to make them more practical than current generation LLMs. People are

I've played around with the concept in the past but there are some issues yet to be solved to make them more practical than current generation LLMs. People are working on it though: https://arxiv.org/pdf/2305.09515 https://arxiv.org/pdf/2305.09515