Hybrid sounds like the best of both: the room plus a bigger online audience. Sometimes it is. Often it is two events fighting for one team's attention, where the remote experience is an afterthought and the room loses energy to the cameras. The choice deserves a real decision, not a default.
What in-person does best
The room is for the things screens cannot replicate: the hallway conversation, the deal done at the coffee break, the energy of a crowd reacting together. If the point of your event is connection and momentum, every dollar and every minute spent on the stream is a dollar and minute not spent on the room.
When hybrid actually earns its cost
Hybrid is worth it when the content has real value to people who genuinely cannot travel, when you have the production budget to make the remote experience good rather than a static wide shot, and when someone owns the online audience as their only job. If you cannot fund all three, you are better off picking one mode and doing it well.
The hidden cost is attention, not just money
Hybrid roughly doubles your production complexity: a second run of show for the stream, a producer watching the broadcast, moderation for the online chat, and cues that account for both audiences. The budget cost is visible. The attention cost (your team split across two rooms) is the one that quietly degrades both experiences.
Run either one from a single plan
Whichever you choose, the operational backbone is the same: a clear run of show, a real budget, and tight day-of coordination. If you go hybrid, run both audiences from one master timeline so the cues stay in sync. Build it in the run of show builder, see the full platform, and start free with your first event.