How do you say laters baby in french?

There isn't a direct translation for "laters baby" in French. However, you can use these phrases depending on the context:

Informal:

* À plus tard, mon cœur! (See you later, my love!)

* Ciao, bébé! (Ciao, baby!)

* À tout à l'heure, mon chou! (See you soon, my darling!)

* Bisou, mon cœur! (Kiss, my love!)

More formal:

* À bientôt! (See you soon!)

* Au revoir! (Goodbye!)

Remember that the level of formality and affection will depend on your relationship with the person you're talking to.