Yes, a Poodle can live happily in a home with other kinds of pets, and the breed's intelligence cuts both ways in the best sense: a Poodle learns the household's social map faster than most dogs, including which cat wants friendship, which wants distance, and which dog's toys are not worth arguing about.
Differences between Poodle sizes in a shared home
A Standard Poodle is a substantial, athletic dog bred originally for retrieving, and it pairs well with other medium or large dogs and with confident cats. Its size and energy mean a loose rabbit or guinea pig still needs protection, not because a Poodle is unusually predatory, but because a large playful dog can injure a small animal by accident and some Standards do chase squirrels with real commitment.
A Miniature Poodle splits the difference, often the easiest fit of the three, sturdy enough for dog play and small enough to live gently with cats. A Toy Poodle flips the safety question around: the Toy is the vulnerable one in a home with a big exuberant dog or a rough-playing cat, and its housemates should be chosen and supervised with the Toy's fragility in mind.
The Poodle temperament with cats and dogs
Poodles tend to approach cats with curiosity moderated by sensitivity. A Poodle corrected once by a cat usually remembers the boundary precisely, and many Poodles and cats develop close, grooming-and-napping friendships. Rough feline playmates can overwhelm a shy Poodle, though, so a timid individual needs its own protected space rather than forced togetherness.
With other dogs, a Poodle is typically sociable and playful but not a pushover, and may be choosy about companions as an adult. Poodles can also be vocal referees, barking at housemates' excitement, which owners sometimes mistake for conflict when it is really commentary. Watch body language rather than noise to judge how a Poodle pairing is truly going.
Introductions suited to a sensitive, clever dog
A Poodle notices tension in its owners, so introductions should be arranged to be boring: scent swapping first, then parallel presence at a distance, then short shared time with treats for calm behavior. Because a Poodle learns routines quickly, even two or three well-run sessions often establish the pattern that weeks of chaotic meetings would not.
Let the resident pet make the approach decisions. A Poodle that is allowed to observe a new cat from its mat, and is praised for relaxing there, files the cat as part of the furniture far faster than a Poodle repeatedly led up to sniff it. If the incoming pet is a second dog, walking together before entering the house together remains the most reliable opener for this breed as for most.
Keeping a Poodle's multi-pet home settled
Feed every animal separately in a Poodle home, since Poodles can be surprisingly determined about food they have decided is theirs, and give the Poodle mental work daily. A bored Poodle in a multi-pet house tends to invent games involving the other animals, including baiting the cat into chases it then reports loudly to you.
Grooming and handling routines are worth coordinating too, because a Poodle that is relaxed about being brushed and having its feet held is easier for every helper in the house to manage around other pets. With its social learning supported rather than tested, a Poodle usually becomes the diplomat of the household, and KinsLe Family Sharing helps your family share your Poodle's profile so its sensitivities and routines are clear to everyone who cares for it.