The reversal curse is alive: "Who is Jason Momoa's father?" works, "Name a child of Joseph Momoa" fails 10/10 on GPT-5.4 — and I re-tested the proposed "fix" on my own data
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"Who is Jason Momoa's father?" The model answers Joseph Momoa. Then: "Name a child of Joseph Momoa." Ten tries, ten failures on GPT-5.4, in a Princeton replication of the original reversal-curse study from this spring. Jason Momoa is an only child, so there is exactly one right answer, and the mode…
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