We live in a world of increasing transparency. Your pricing, product capabilities, customers, and other details will eventually find their way to your competitors. It can’t be avoided. However, competitors might obfuscate information by using gated pricing pages and other methods.
A good way to find such information is to look up public forums such as Reddit or G2 or you can use tools like 1up, which is an automated intelligence gathering tool that can help you find this information easily.