I just recently added some glofish to my bettas 10g. I was worried since they are basically mini-danios zipping around, especially during feeding time. The funniest thing is to watch the danios try to eat the betta pellets. They are just too big for them so its quite the site to see. Monster, my betta, tried the flakes the first time he saw them but then has ignored them ever since so everyone gets some. The glofish usually one guy will pigout one feeding but the next feeding later the hungry one will get the most. Really its not much different than nature. Some fish go without sometimes so it isn't that big of a concern.
From your list I'd say corys would be the only iffy since their pellets have to sink down but if you time it right or position them better where you feed everyone on one side then drop some stuff for the bottom for them they will get theirs. That, and they like to eat at night or right as you turn the lights off for the night and they are really slow eaters so if they are hungry they'll eat faster.
"My favorite fish are Swedish Fish"
Black Orange CT - Monster
2 Red Glofish - Bubbleguppy, Strawberry
Orange Glofish - Lazer
Green Glofish - Neo
Blue Glofish - Smurf
Purple Glofish - Kool-Aid
White Mystery Snail - Milkshake
2 Amano Shrimp
2nerite snails & many MTS
Dwarf Flame Gourami- Mohawk
German Blue Ram- Spike
8 Peppermint Tetras
4 Juli cories
2 Amano Shrimp
Black mystery, 3 nerite, MTS snailsl