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redleweltoday at 6:48 PM5 repliesview on HN

Don't see the value of using a language with a closed source compiler...

Much better options out there. Python already has libraries like Pydantic that offload performance to functions written in Rust under the hood.


Replies

nylonstrungtoday at 7:30 PM

The point is that Mojo compiles to MLIR for programming on heterogenous compute and GPU so something like Pydantic isn't really comparable here.

The alternatives would be stuff like CUDA

woadwarrior01today at 7:40 PM

The value has already been materialized. They were acquired by Qualcomm for $3.9 billion.

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my123today at 6:48 PM

> Finally, we will continue to progressively open-source more of the Mojo language, as well as components in MAX that we have built with it. Our commitment remains unchanged – we will open source the Mojo compiler and toolchain in 2026.

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pjmlptoday at 7:13 PM

C and C++ were closed source for quite some time, they still are in places like commercial embedded OSes and console dev kits, even when they happen to be GCC and clang forks nowadays.

Clang actually has replaced most GCC forks exactly because vendors can keep the fork closed source.

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fluidcrufttoday at 6:50 PM

Their website has a banner suggesting news about open sourcing of the compiler at some Aug 18 convention.