IIRC, Tesla predates the standard, provides adapters, and will migrate over to the standard.
Tesla SAE Adapter: http://shop.teslamotors.com/collections/model-s-charging-ada...
CHAdeMO: https://en.wikipedia.org/wiki/CHAdeMO
SAE Combo: https://en.wikipedia.org/wiki/SAE_J1772#Combined_charging_sy...