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It is Python with the ability to write high performance code within specified functions, eliminating the need to link in C code. However the interop with C will be the same as Python, which is already very good, Mojo is just going beyond that.

It compiles to llvm. This means the python environment headaches will disappear.

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> It is Python with the ability to write high performance code within specified functions

It might become that (personally I doubt it, but that's the stated goal). It isn't now. Not really close even. No kwargs, no python classes for example.

> It compiles to llvm. This means the python environment headaches will disappear.

Weeeeell. Not if you want to use any Python library. Because then it just calls into CPython. And that's a huge part of why Mojo is interesting in the first place. So I would say no.

So is it a systems language?

Yes, in the benchmarks it’s competitive and compiled programs stay tiny unlike Python which packages the interpreter. According to the story being told, it could end up a sort of one-language-to-rule-them-all. Python was chosen by Chris Lattner specifically for his wide spread adoption and Mojo is sometimes called Python++.

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