[linc01n]

Atom has a 2MB file limitation. That's why I wouldn't use it professionally yet.

[bobbykjack]

I'm not sure that's even 'large', let alone 'huge'.

[archagon]

For real. I think I've had to open multi-GB files in Sublime a few times. (And if not that, then certainly hundreds of MB.) Worked like a charm.