Earlier quoted context omitted.
I'd say Rails is faster than Phoenix (as in development speed) only for the first day or so. After that you'll stumble upon impicit logic, method-missing and this kind of stuff, which will require more time to figure out how it works. Elixi/Phoenix is more exlicit in that regard, making long-term support (as in anything past first week) a breeze. No hidden state, no figuring out where ModuleName.method(params) is com…
but if you want explicit any not just use django?
Elixir and Phoenix is a better production platform than Django.. I’m not throwing shade on Django, many production systems use it happily. I’m saying that Phoenix/Elixir is better, partly because of the BEAM and OTP and partly because of the language and the framework. Real concurrency. Better performance. Far more robust in production. The language is pre-compiled, and while not statically typed, that alone provides one more safety layer. It’s functional, which avoids a lot of the ugly patterns in both Rails and Django. It has a built-in fast and reliable KV store. It has distribution between the nodes if you want it (e.g. for a distributed cache). It enables you to debug with a remote shell connected live to the running system. There’s a lot more than I can add here.