Really curious to see how this goes. If they live up to the following paragraph, that's pretty game-changing: >> This cheaper price doesn’t come with reduced scalability. Behind the scenes, R2 automatically and intelligently manages the tiering of data to drive both performance at peak load and low-cost for infrequently requested objects. We’ve gotten rid of complex, manual tiering policies in favor of what developer…
When looking at object storage, tail latency is probably the single most overlooked metric, and the most material differentiator between providers after bandwidth costs. Don't sweat the cent spent on storing an object, worry about the cost of the 6,000,0000 copies of it you'll ship after it's stored.
As for bandwidth, CloudFlare becomes uninteresting the moment your account starts to see any real consumption, even AWS are easier to negotiate with.