You get the whole Erlang VM and toolchain.  So, improved scalability, faster runtimes, compiled code...<p>This discussion fleshes out some of the benefits:<p><a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=9427371" rel="nofollow">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=9427371</a>