I did a different test, based on the render time, in our case about 5 minutes. Standalone version achieve the best results using a small number of maxsamples (2000). In 5 minutes the rendering of the plugin version is worse even the maxsample number is greater (5500).
All the others parameters are ...

Hello Octane staff,
you cannot rotate the hdri when you put it in the environment slot (i think because the Image texture map dont have the offset parameters) Can you implement this feature?

Best regards