Gromit is generally considered a beagle , at least in-universe, but his design is intentionally stylized and does not closely match any real dog breed.

What Gromit ā€œofficiallyā€ is

  • In the Wallace & Gromit world, when people ask Wallace what kind of dog Gromit is, he answers that Gromit is a beagle.
  • Articles discussing the character often describe Gromit as an anthropomorphic beagle who is Wallace’s loyal and highly intelligent companion.

How he actually looks

  • Gromit’s body is a simple cream colour with long floppy brown ears and no typical beagle tri‑colour markings or realistic proportions.
  • Nick Park’s design choice makes Gromit more universal and iconic rather than a realistic representation of any specific breed.

So what breed is he really?

  • From a story perspective, he’s a beagle in spirit and by ā€œlabel,ā€ matching the breed’s classic traits of curiosity and cleverness.
  • From a visual, real-world dog perspective, he is best described as a highly stylized cartoon dog loosely inspired by a beagle rather than a pure, realistic beagle.

TL;DR: Gromit is called a beagle in the Wallace & Gromit universe, but his appearance is a simplified, cartoony design that doesn’t match any real dog breed exactly.

Information gathered from public forums or data available on the internet and portrayed here.