Breed comparison

French Bulldog
vs Boston Terrier.

These two small, big-eared companions get mixed up constantly, but they are different dogs with different care realities. Both are affectionate, apartment-friendly, and brachycephalic (short-nosed), so both share breathing and heat considerations. The Boston is the lighter, more energetic, less extreme-faced of the two; the Frenchie is stockier, more independent, and more prone to serious health issues.

If the choice is close, health and energy usually decide it: the Boston is often the more athletic and the marginally healthier build, the Frenchie the more laid-back lap companion.

French Bulldog

Trainability
7/10
Energy
Medium
Training difficulty
45/100
Group
Non-Sporting

Boston Terrier

Trainability
7/10
Energy
Medium
Training difficulty
45/100
Group
Non-Sporting

Scores from the TailorPup Dog Training Difficulty Index.

Key differences

Health

Both are brachycephalic, but the French Bulldog is generally the more health-fragile of the two, with a shorter face and higher rates of breathing, spinal, and skin issues. The Boston Terrier has a slightly longer muzzle and is often a bit more robust, though still a flat-faced breed that needs heat care. Buying from a health-focused breeder is critical for both.

Energy

The Boston Terrier is the more energetic and playful, it enjoys active games and short bursts of exercise. The French Bulldog is more of a couch companion, content with less. Both must avoid heat and over-exertion regardless.

Temperament

The Boston is famously friendly and eager to please, the "American Gentleman". The Frenchie is more independent, quietly stubborn, and clownish on its own terms. Both are affectionate and good with families.

Size and grooming

The Boston is lighter and leaner; the Frenchie is stockier and heavier for its size. Both have short coats but shed, and both have facial folds to keep clean. Grooming needs are low for both.

Which is easier to train?

Both score 7/10 for trainability and both respond to short, fun, food-based sessions. The Boston Terrier is often marginally easier because it is more eager to please, while the Frenchie can be a touch more stubborn. Neither has the attention span for long drills; keep sessions brief and rewarding. Both are companions first, not obedience competitors.

Which one is right for you?

Choose the French Bulldog

Owners who want a stockier, more laid-back lap companion with lower exercise needs, and who will commit to careful brachycephalic health care and a health-tested breeder.

French Bulldog training guide →

Choose the Boston Terrier

Owners who want a lighter, friendlier, more playful small dog with a slightly more robust build, still flat-faced, so heat and breathing care still apply.

Boston Terrier training guide →

The verdict

Both are lovable small companions with brachycephalic health commitments. Choose the Boston Terrier for a more energetic, eager-to-please, slightly healthier-built dog; choose the French Bulldog for a calmer, stockier, more independent lap companion. With either, the breeder you pick and the heat and weight you manage matter more than anything.

Frequently asked questions

Are French Bulldogs and Boston Terriers the same?

No. They look similar (small, big ears, short face) but are separate breeds. The Boston Terrier is lighter, more energetic, and has a slightly longer muzzle; the French Bulldog is stockier, calmer, and more extreme-faced with higher rates of health issues.

Which is healthier?

The Boston Terrier is often the marginally more robust build with a slightly longer muzzle, but both are brachycephalic breeds with breathing and heat considerations. A health-focused breeder matters far more than the breed difference.

Which is easier to train?

Both are equally trainable (7/10). The Boston is often marginally easier because it is more eager to please; the Frenchie can be a bit more stubborn. Both need short, fun, reward-based sessions.

Whichever you pick, train it right

TailorPup builds a personalized 12-week program around your dog's exact breed, age, and behavior, no generic one-size plan.

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More: all breed comparisons · training difficulty index · all 240 breed guides