More on Anthropic's Scion ripping off Mononoke
An author alleges that Anthropic's 'Scion' project is a direct copy of the 'Mononoke' system, citing similarities in data models and terminology. The author claims that the overlap in personnel and naming conventions suggests intentional plagiarism rather than coincidence.
Why it matters
This highlights growing concerns regarding intellectual property and ethical development practices within the competitive AI industry.
More on Anthropic's Scion ripping off Mononoke 2026-10-15 · 5 min read vcs shorts Discuss on Hacker News .
In response to yesterday's post about Anthropic's Scion ripping off Mononoke, I received a number of questions and concerns. Here's a followup to answer the big ones.
This was a ripoff. My post yesterday was trying to be as charitable as possible given what I knew, and in particular that the similarity to Mononoke was mostly unintentional and the lack of credit was the result of not doing due diligence. However, after publishing the post I privately received confirmation that Scion intentionally and blatantly ripped off Mononoke, and in particular that there was overlap in personnel. There is no chance that this was an unintentional homage. This is something I had a hunch about but was not comfortable saying yesterday, given what I knew back then.
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