Completely different. James Oroc wrote a book on it, and there are also a bunch of YouTube videos of him talking about the differences between DMT and 5-MeO-DMT.
His explanation sounds more like Changa than 5-meo-dmt... i never had it last as long as he describes or seen others and Ive Been assistent with hundreds of trips . Only changa would last 45min to a little over an hour. Pure DMT and 5-meo-dmt perhaps 25 min if lucky.
it’s close to dmt in the sense that part of it’s structure is DMT. as far as effects, if you believe the literature: dmt is like sailing into the sunset and 5meo is like stapping yourself to a rocket.
both give you something, but radically different
Both have a Quick onset... id say a rocket. With changa eg + hamalas its more slow onset but more powerfull. Someone described 5-meo-dmt to me as power/maskoline and changa as love/feminine and i have the same feeling about it.