Yes, kuhli loaches can live with neon tetras. Kuhli loaches are peaceful in nature, so they can coexist with many other species without problems.
Neon tetras are excellent tankmates for kuhli loaches because they’re also very friendly. Moreover, neon tetras and kuhli loaches have similar preferences, so you’ll be able to accommodate their needs simultaneously.
Just make sure the fish have ample space to swim around in. A kuhli loach needs a 15-gallon tank and an extra 5 gallons of space for every additional kuhli loach. Meanwhile, a small group of six neon tetras only need 10 gallons of space.
Aside from neon tetras, here are some more tank mate recommendations for kuhli loaches: