I know this is a silly question, you need Xbox Live to play any online multiplayer games on Xbox. But since Minecraft just released a new version that's supposed to be compatible with the Better Together update, do you still need Xbox Live to play online, considering PE and Windows 10 users don't have to. I usually play on the PC (more like exclusively), but if online multiplayer is free, I might give Xbox Minecraft a go. Every Google result for this is just asking about the Xbox 360.
Read more: Do you need Xbox Live to play Minecraft multiplayer?