The Nintendo Switch is generation...

[JRPGfan]

shikamaru317 said:

Gen 8 imo, technically 8.5. Wikipedia agrees that it's gen 8: https://en.wikipedia.org/wiki/Eighth_generation_of_video_game_consoles

^ this.

Wiki says gen 8, and most gameing sites and reviewers also see it as belonging to the same generation as the PS4 / XB1.