Tesla's CHAdeMo adaptor is
Tesla's CHAdeMo adaptor is available for $1000. The Tesla uses the same charge port for AC and DC charging. All the other manufactures use 2 ports. One for AC charging and the second for DC charging if the vehicle has DC fast charging. CCS systems same but different. The other EV manufactures all use the same AC socket and the communications needed is provided by wall mounted docking station.
The tesla can use different adaptors to charge from a wide Varity of plugs. the adaptor signals the on board battery changer to limit current to prevent tripping the supply breaker.
the other EV manufactures don't need adaptors