Metahuman Creator - Test
This is leaps ahead when it comes to real-time human renders. I cannot begin to express my enthusiasm for where this is headed but it definitely has so much potential.
Currently, their USP is immaculate facial customization to get the human level personalization, lot of flexibility. From blending between different demographics to subsurface level personalizing.
It currently lacks a completely generic base body and features to add your own assets to it but a cloud-based platform starting out with just these is enough to prove the quality of outputs that can be achieved.