InterSystems Ensemble vs DeepSee

Answers

Both of this are completely different products. Where: Ensemble is an Integration platform, and DeepSee is an Business Intelligence

Also, you can look at some learning courses from InterSystems, about Ensemble and DeepSee and Caché 

strictly speaking Ensemble is a separate product. DeepSee is the BI technology that is included in both Cache and Ensemble. Some functionality of DeepSee needs extra license options.