Vimeo has started offering 4k videos. For now, however, it is only to paid downloads, making it still not possible to output 4k content to stream. For offering 4k streaming is Vimeo still ‘too early’.
At the moment videos in the 4k resolution is only available via Vimeo On Demand, where users videos and movies to purchase. Offer 4k video via the free videostreamingdienst is not available yet. According to Pile, it is still too early to make streaming of 4k video, because there are not enough devices are out there can make use of. Vimeo is expected, however, over time they will begin 4k streaming.
Several providers of online content have been offering 4k video, including via streaming. Among others, Amazon, Netflix and YouTube already offer opportunities for viewing 4k material.