Battlefield 1 co op will be a feature that will be demanded by many fans who like to play with their friends and family but if you are expecting Battlefield 1 co op then you may want to rethink and research what you are buying first.
The short answer to does Battlefield 1 have co op is a resounding no. There is no form of offline or online split screen co op in either the story modes or multiplayer modes.
If you are hoping for a co op gameplay experience in Battlefield 1 then it would be wise to not get your hopes up as it is currently not implemented or planned to be released any time soon.
If you want to read up more about what Battlefield 1 can offer you then read the games official description shown below:
Battlefield™ 1 takes you back to The Great War, WW1, where new technology and worldwide conflict changed the face of warfare forever. Take part in every battle, control every massive vehicle, and execute every maneuver that turns an entire fight around. The whole world is at war – see what’s beyond the trenches.
Changing environments in locations all over the world. Discover every part of a global conflict from shore to shore – fight in besieged French cities, great open spaces in the Italian Alps, or vast Arabian deserts. Fully destructible environments and ever-changing weather create landscapes that change moment to moment; whether you’re tearing apart fortifications with gunfire or blasting craters in the battlefield, no battle is ever the same.