I have used both but ended up dropping TF for PyTorch after 2018. Mainly it was the larger PyTorch ecosystem in my field (NLP) and clear API design and document

I have used both but ended up dropping TF for PyTorch after 2018. Mainly it was the larger PyTorch ecosystem in my field (NLP) and clear API design and documentation that did it for me. However, TF was still a valid contender and it was not clearcut back in 2016-17 which framework was better.