1.tl;dr

For short codes, our pricing is better. Tech-wise, honestly SMS short codes do not have much room for any difference.

2. long versions (if you're curious, in general, why someone would choose plivo over others)

http://vincedasta.com/p/why-i-went-with-plivo/

http://clintberry.com/2012/why-plivo-cloud-is-better-than-tw...

happy to answer follow-up questions.