Hey Tim! So what natanM gave you is a fair place to start (albeit probably not up-to date on either side). There are a few product overviews online (but they are outdated like a month after they're written so...)
As for pricing, we are going to release our new website with updated pricing that will make it more transparent AND easier to compare 🙂
Hi :)
I found a comparison here:
https://clear.ml/blog/stacking-up-against-the-competition/
As far as I am aware, there is an on-prem enterprise solution