CryTek for their new release of Cryengine V has now said you can pay what you want and the pricing ranges from 2500 euros to 0 euros. CryEngine has also released C# as an optional programming language for developers who do not know C++ or scripting.
More info can be found here: CryEngine release notes on Version 5(v)
and more can be found here:CryTek pay what you want