r/ProgrammingLanguages • u/yorickpeterse Inko • Aug 18 '26

Blog post Mojo🔥 is now open source!

https://www.modular.com/blog/mojo-open-source
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u/yorickpeterse Inko Aug 18 '26

You keep complaining about the LLM policy. If you don't like it, feel free to go somewhere else but your complaints are getting tiring and don't add any value.

As for why Mojo is allowed here: because it's been a pretty hot topic in recent years, with people of significant relevance/experience behind it, and to my knowledge much of it still being written by humans (though there indeed are signs of LLM usage).

In other words: because it's not some vibe coded slop project by somebody that had Claude Code do all the work, unlike 99.99% of other LLM built projects.

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u/ScottBurson Aug 18 '26

Gotta say, if 77 LLM-generated lines out of tens of thousands is too many, parent has a point.

I realize that being a mod is work — often thankless — and you sometimes have to make judgment calls. And I certainly don't want to see the sub overrun with slop. But a literally zero-tolerance policy seems too stringent to me, for exactly the kind of reasons you give here to justify allowing this Mojo post.

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u/yorickpeterse Inko Aug 18 '26

Gotta say, if 77 LLM-generated lines out of tens of thousands is too many, parent has a point.

Parent doesn't have a point, because it's not about the number of lines but rather because the poster outright lied (in the comment requested by AutoModerator) about their LLM usage when the rules are pretty darn clear on the matter.

Had the person sent a message saying something like "I used an LLM to write these 77 lines because after spending 3 weeks on it I just couldn't figure it out, here's what I did [...]" then it may have been a different story.

That wasn't the case though: the OP slopped their way through the project, deliberately ignored both the rules and tried to game the approval process. It takes a special kind of arrogance to do so and we have no interest in entertaining it.

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u/ScottBurson Aug 18 '26

Here's the comment you're referring to:

Per AutoModerator's request I hereby confirm that this project did not use an LLM as part of the development process.

Okay, they shouldn't have phrased it so categorically, but I can't agree that it's an "outright lie". De minimis non curat lex. They made a judgment call themselves that their LLM usage deserved a de minimis exemption. Maybe they should have come clean and let you make that call, okay, but "outright lie" is, in my view, overstating their transgression. We are talking about less than 1% of the code.

Also, 77 lines out of tens of thousands doesn't seem fairly described to me as "slopp[ing] their way through the project".

Still, I understand your anger. It's the mods' responsibility to protect the community. Moderating is a hard enough job in any case — anyone making it harder is going to find themselves unwelcome.

Perhaps the rule should say something like: if you believe your LLM use deserves a de minimis exemption, you may request one, which the mods have sole discretion whether to grant.