Can guppies live with dwarf gouramis?

Verdict
Yes

Yes. Guppies and dwarf gouramis make a good pair. Both are fine at 72–82°F. Plan on at least 10 gal.

GuppyGuppy72–82°F · pH 6.8–7.8 Dwarf gouramiDwarf gourami72–82°F · pH 6–7.5

Why it works

Water side by side

55°60°65°70°75°80°85°90°Both: 72–82°Guppy 72–82°Dwarf gourami 72–82°
The green band is the temperature range both can live in.
456789Both: 6.8–7.5Guppy 6.8–7.8Dwarf gourami 6–7.5
The green band is the pH both tolerate.

Size to scale

Guppy · 2 inDwarf gourami · 3 in0"1"2"3"4"5"6"
Adult length in an aquarium. A fish can swallow anything that fits in its mouth, roughly a third to half its own length for predators.

Care at a glance

GuppyDwarf gourami
Temperature72–82 °F72–82 °F
pH6.8–7.86–7.5
Adult size2.0 in3.0 in
Minimum tank10 gal10 gal
TemperamentPeacefulPeaceful
Swims atTopTop
GroupGroups of 3+Alone or in pairs
DietOmnivoreOmnivore

Better tank mates for guppies

All guppy tank mates

Better tank mates for dwarf gouramis

All dwarf gourami tank mates

Questions

Can guppies live with dwarf gouramis?

Yes. Guppies and dwarf gouramis make a good pair. Both are fine at 72–82°F. Plan on at least 10 gal.

What temperature suits both guppies and dwarf gouramis?

72–82 °F. Guppies need 72–82 °F, dwarf gouramis need 72–82 °F.

What size tank do guppies and dwarf gouramis need together?

At least 10 gal, set by the guppy. Add space for each extra fish.