Mythos is banned after fixing 50 years of bad code

21 Jun 2026 · 1 min

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This content was created by Eric Siu. This content was uploaded by Eric Siu. This is a YouTube video titled "Mythos is banned after fixing 50 years of bad code" (created 2026-06-21) containing a short multi-speaker discussion between two unnamed speakers about the Mythos tool. The speakers describe how Mythos rapidly identified and fixed decades of problematic code and security issues—reducing work that would have taken years down to weeks or days—and compare its performance to other models (mentioning Opus 4.8 and a dashboard task it could not complete but Mythos one-shot). The excerpt focuses on AI/code-completion tools and their impact on debugging and development.

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Mythos has shown us that all the bad code that humans have written over the last 50 years, tested for 6 weeks, and in 6 weeks we found what would have taken us 5 to 7 years.
Mythos, what it solved for them was that it basically solved like some bug, some code issues that they have, security issues that would have taken days, that would have taken 5 to 7 years. And it's legit stuff. And so I'm seeing the same thing where it's completing. I couldn't get like Opus 4.8 to complete something around like a dashboard that I was trying to build before for the team. And now I was like, hey, I'm getting stuck here. Yesterday it one-shotted it. It's extremely powerful.