Some of these might help:
I just pick them off by hand. Only have 8 plants so it goes pretty quickly if I do find any.
Check that pin for details https://www.pinterest.com/pin/323062973263207821/
If the caterpillars are large enough to be plucked off, that is their fate.
Here is more info for you
SOrry I hit answer before I added this info as well
Make a mixture of 1/4 cup of oil vegetable and 2 cloves of chopped garlic chop very fine let sit over nite in the oil you could even add mint if you want stain the garlic out and add water 1 qt shake well and spray the plants that will take care of bugs .
This may help: https://www.almanac.com/pest/tomato-hornworms#:~:text=Tomato%20hornworms%20come%20from%20a,hornworm%20eggs%20and%20small%20caterpillars.&text=Then%20look%20at%20the%20underside,ll%20likely%20find%20a%20hornworm.
Check this pin https://www.pinterest.com/pin/323062973263207821/
Go around picking them off by hand!
Pick them off by hand.