I mentioned it in my other comment but people like LeCun, Demis Hassabis, Fei-Fei Li do. There are indications that Open AI is doing this but nothing official

I mentioned it in my other comment but people like LeCun, Demis Hassabis, Fei-Fei Li do. There are indications that Open AI is doing this but nothing official as far as i know and i have not heard anything from Anthropic.