I do Erlang full time. But seeing how much traction Elixir has, I say learn whatever looks more interesting. If you're developing for the web and Phoenix looks

I do Erlang full time. But seeing how much traction Elixir has, I say learn whatever looks more interesting. If you're developing for the web and Phoenix looks good, start with Elixir. At the end of the day, they are both built on the same foundational concepts. You might find that you need to look up Erlang docs or find an Erlang SO answer so might as well learn the basic Erlang syntax as well. Then you have access to a larger community. Listen to Erlang Factory or Joe Armstrong's videos and so on.