Max vs The Vees: who would win?

Max favored — Favored (~65%)

Max · One-Punch Man · Base

Tier
9-B, up to HIGH 7-C
Attack Potency
Wall Level, up to Large Town Level
Speed
Massively Hypersonic
Durability
Large Town Level

The Vees · Hazbin Hotel · Base

Tier
9-B, up to 5-B
Attack Potency
Wall Level, up to Planet Level+
Speed
Subsonic+, up to Ftl
Durability
Building Level, up to Planet Level

A heuristic estimate from normalized VS Battles Wiki stats: tier, attack potency, speed and durability.