Prices of VMware licenses can vary from country to country and from supplier to supplier and is also (like PVE subscriptions) dependent of your setup. Probably your company make use of some kind of SPLA (Service Provider License Agreement) model for monthly payment, within your company someone should know what VMware costs you. However, VMware is very expensive and you pay quickly several thousand of euros/dollars for just a simple setup. Proxmox VE itself is free software, because it's open source and licensed under AGPL v3. You are free to use it and don't pay anything for it, even in commercial setups. However, for stable updates (enterprise repo, recommended for production use) you need to have at least the community subscription for each node (only € 64,92 per physical CPU). Another benefit of taking a PVE subscription is you financially support the company behind this great virtualization solution, so they can keep up the good work.
Major pros of PVE:
- Lower costs;
- Open Source software, you can change what you want and see all the source code yourself to see what happens with your data (VMware is closed source, so you have really no idea/can't check what's done with your data);
- No need for a single management node like VMware;
- PVE can also use/run containers, VMware can't;
- Short lines to developers (using this forum and if your subscription allow also via ticket system). For example, some months ago I had a feature request, posted this on this forum and the next day it was already implemented (see
https://forum.proxmox.com/threads/feature-request-show-ha-group-at-vm-status-info.26964/). When you use VMware and you have something like this, I'm pretty sure you will not succeed.