The biggest Affenpinscher vs Brussels Griffon differences sit in the rulebook, not the face. The Affenpinscher is a German toy breed of rough-coated pinscher type, while the Brussels Griffon is a Belgian toy breed descended from small rough-coated Brussels stable dogs. The two breeds belong to different FCI groups, follow different color rules, and are even counted as a different number of breeds depending on whether the American Kennel Club (AKC), the Royal Kennel Club (RKC) in the UK, or the FCI writes the standard.

What is the main difference between an Affenpinscher and a Brussels Griffon?
An Affenpinscher and a Brussels Griffon differ mainly in country of origin, breed group and coat rules, even though the two toy breeds look alike in the face. The FCI places the Affenpinscher (standard No. 186, country of origin Germany) in Group 2, Pinscher and Schnauzer, and places the Griffon Bruxellois (standard No. 80, country of origin Belgium) in Group 9, Companion and Toy Dogs. The Royal Kennel Club calls the Affenpinscher a “little ‘black devil’ dog of German origin” that “was developed as a vermin killer.”
The AKC standards also describe two different temperaments. The Affenpinscher standard calls the breed “game, alert, and inquisitive with great loyalty and affection toward its master and friends.” The Brussels Griffon standard reads: “Intelligent, alert and sensitive. Full of self-importance.” An individual Affenpinscher or Brussels Griffon may not match any written description exactly.
Which breed is bigger by kennel-club standard?
Neither breed is clearly bigger, because the AKC, the RKC and the FCI each size the Affenpinscher and the Brussels Griffon differently. The AKC Affenpinscher standard prefers a height of 9.5 to 11.5 inches at the withers and gives no weight at all; only an Affenpinscher club flier lists 8 to 10 lb. The AKC Brussels Griffon standard sets no height, but says a Brussels Griffon usually weighs 8 to 10 lb and should not exceed 12 lb.
European and UK numbers shift the picture. The FCI standard sets the Affenpinscher at 25 to 30 cm and approximately 4 to 6 kg, and sets the Griffon Bruxellois at 3.5 to 6 kg, with body length practically equal to height at the withers instead of a height range. The RKC lists the Affenpinscher at 24 to 28 cm (9.5 to 11 in) with no weight, and lists the Griffon Bruxellois at 3.2 to 5 kg (7 to 11 lb), with 3.6 to 4.5 kg (8 to 10 lb) most desirable.
These figures are standards, not predictions. The RKC Affenpinscher standard notes that size “does not imply that a dog will match the measurements given.” The AKC Brussels Griffon standard adds that type and quality matter more than weight, so a smaller, well-proportioned Brussels Griffon should not be penalized. Whether a particular puppy lands inside these ranges depends on the individual dog.
Why is a red or silver Affenpinscher accepted in the US but not under FCI or UK standards?
A red or silver Affenpinscher is accepted in the US because the AKC standard lists six colors, while the FCI and RKC standards accept black only. The AKC Official Standard of the Affenpinscher states: “Black, gray, silver, red, black and tan, or belge are all acceptable.” FCI standard No. 186 asks for “Pure black with black undercoat,” and the RKC standard accepts black, with grey shading allowed, and no other colours.
A US color is therefore not a global color. A silver, red or belge Affenpinscher meets the AKC standard but falls outside both the FCI and the RKC Affenpinscher standards, and FCI standard No. 186 lists colour faults among its disqualifications. The Brussels Griffon has a shorter US list: the AKC accepts red, belge, black and tan, and solid black, while the RKC asks for “clear red, black or black and rich tan without white markings.”

Why is a smooth-coated Brussels Griffon a separate breed in Europe but not in the US?
A smooth-coated Brussels Griffon is a separate breed in Europe because the FCI splits the Griffon into three breeds, while the AKC and the RKC keep roughs and smooths in one breed. Under FCI standard No. 80, the rough red dog is the Griffon Bruxellois, the rough black or black-and-tan dog is the Griffon Belge, and the short-coated dog in the same colours with a dark mask is the Petit Brabancon.
In the AKC system, the Brussels Griffon has two coats in one breed. The AKC standard describes the rough coat as “wiry and dense” and the smooth coat as “straight, short, tight and glossy,” and the RKC likewise keeps roughs and smooths together. The Affenpinscher has no such split: the AKC asks for a rough, harsh coat about 1 inch long on the shoulders and body, and the RKC says the “correct coat needs no trimming.”
Which faults disqualify a Brussels Griffon but only count against an Affenpinscher?
An overshot bite disqualifies a Brussels Griffon under the AKC standard, while the AKC Affenpinscher standard only penalizes the same fault. The AKC Brussels Griffon standard lists four disqualifications: a Dudley or butterfly nose, an overshot bite, a hanging tongue, and a “white spot or blaze anywhere on coat.” The AKC Affenpinscher standard has no disqualifications section; it states that “An overshot bite is to be severely penalized” and that “A wry mouth is a serious fault.”
The FCI disqualifies faults in both breeds. FCI standard No. 80 disqualifies a Griffon for any white patch, a nose that is not black, a permanently visible tongue, a wry lower jaw, an upper jaw protruding past the lower, or colours outside the standard. FCI standard No. 186 disqualifies an Affenpinscher for malformation of any kind, lack of breed type, colour faults, or a size deviation of more than 2 cm. Both FCI standards also disqualify a dog that is aggressive or overly shy.
How much daily exercise does each breed need, according to the Royal Kennel Club?
The Royal Kennel Club lists up to 1 hour of exercise per day for the Affenpinscher and up to 30 minutes per day for the Griffon Bruxellois. The RKC breed pages give both breeds the same lifespan guideline of over 12 years, so exercise is the RKC figure that separates the two. These are general breed guidelines, not targets for a specific Affenpinscher or Brussels Griffon; consult your veterinarian about any individual concern.
Are the Affenpinscher and the Brussels Griffon actually related?
The Affenpinscher and the Brussels Griffon share some history, but the AKC and the RKC describe the link differently. The AKC Brussels Griffon History says the Brussels stable dogs were “Affenpinscher-like dogs,” yet DNA testing and records “put to rest the rumors of Affenpinscher and Yorkshire Terrier crosses” into the Griffon. According to the AKC, the Brussels Griffon was developed “through three crosses to Pugs and eight crosses to English Toy Spaniels.”
The Royal Kennel Club points in the other direction. The RKC Affenpinscher page states: “After World War II, when the population was very low, there was an input of Griffon Bruxellois.” The RKC Griffon Bruxellois page notes that “There are some similarities in head type with the Affenpinscher” and suggests a possible common ancestor. The documented influence therefore runs from the Griffon into the Affenpinscher, while the AKC rejects an Affenpinscher cross into the Griffon. Neither source settles the question alone. In the US, the AKC recognized the Brussels Griffon in 1910, and the Affenpinscher entered the AKC studbook in 1936.
Affenpinscher vs Brussels Griffon at a glance
The table below sums up five Affenpinscher vs Brussels Griffon differences that are easy to check against an official source. Each row names the registry behind the figure, because AKC, RKC and FCI numbers do not always agree and should not be merged into one value.
| Trait | Affenpinscher | Brussels Griffon |
|---|---|---|
| Origin | Germany | Belgium (Brussels) |
| AKC weight | 8-10 lb (club flier) | 8-10 lb, max 12 lb |
| Coat varieties | Rough only | Rough and smooth |
| AKC colors | 6, incl. silver, red | 4: red, belge, black and tan, black |
| RKC daily exercise | Up to 1 hour | Up to 30 minutes |

Frequently asked questions
Is a Brussels Griffon just a smooth Affenpinscher?
No. The Brussels Griffon is a Belgian breed in FCI Group 9, and the Affenpinscher is a German breed in FCI Group 2. The Brussels Griffon itself comes in both rough and smooth coats under the AKC standard.
Can an Affenpinscher be red or silver?
Yes, under the AKC standard, which accepts black, gray, silver, red, black and tan, or belge. No, under the FCI standard, which asks for pure black, or the RKC standard, which accepts black with grey shading allowed.
What is the difference between a Brussels Griffon and a Petit Brabancon?
The difference is coat and registry. Under FCI standard No. 80, the short-coated dog with a dark mask is a separate breed called the Petit Brabancon. Under the AKC and the RKC, the same smooth dog is simply a smooth-coated Brussels Griffon.
Sources
- American Kennel Club, “Official Standard of the Affenpinscher” (approved 2000-06-12, effective 2000-07-27) – https://images.akc.org/pdf/breeds/standards/Affenpinscher.pdf
- American Kennel Club, “Official Standard of the Brussels Griffon” (approved 2022-11-08, effective 2023-02-01) – https://images.akc.org/pdf/breeds/standards/BrusselsGriffon.pdf
- American Kennel Club, “Affenpinscher History” (updated 2024-04-15) – https://www.akc.org/expert-advice/dog-breeds/affenpinscher-history/
- American Kennel Club, “Brussels Griffon History” (updated 2024-08-15) – https://www.akc.org/expert-advice/dog-breeds/brussels-griffon-history/
- American Kennel Club / Affenpinscher Club of America, “Affenpinscher!” club flier (undated) – https://cdn.akc.org/Affenpinscher-club-flier.pdf
- American Kennel Club, Affenpinscher breed page – https://www.akc.org/dog-breeds/affenpinscher/
- American Kennel Club, Brussels Griffon breed page – https://www.akc.org/dog-breeds/brussels-griffon/
- Royal Kennel Club, Affenpinscher breed page – https://www.royalkennelclub.com/search/breeds-a-to-z/breeds/toy/affenpinscher
- Royal Kennel Club, Griffon Bruxellois breed page – https://www.royalkennelclub.com/search/breeds-a-to-z/breeds/toy/griffon-bruxellois
- Royal Kennel Club, Affenpinscher breed standard (last updated July 2026) – https://www.royalkennelclub.com/breed-standards/toy/affenpinscher/
- Royal Kennel Club, Griffon Bruxellois breed standard (last updated April 2025) – https://www.royalkennelclub.com/breed-standards/toy/griffon-bruxellois/
- FCI, Standard No. 186 Affenpinscher (valid 2009) – https://www.fci.be/Nomenclature/Standards/186g02-en.pdf
- FCI, Standard No. 80 Griffon Bruxellois (valid 2003-03-25) – https://www.fci.be/Nomenclature/Standards/080g09-en.pdf