reversal-curse-shows-up-in-a-deployed-model-gpt-4 CLM-0137
observationsingle paperReviewed by AI and Russ Miller

GPT-4 could reliably name a well-known celebrity's parent, but was far less reliable naming the celebrity when given the parent — the same directional-recall asymmetry demonstrated in smaller fine-tuned models, showing up in a deployed model that wasn't fine-tuned for the test.

Capability: Not generalizing "A is B" to "B is A"

Observed on

GPT. 2023, GPT-4 class. General.

Model cards: GPT-4

Sources

Reviewed by AI and Russ MillerLast checked: 2026-09-03Evidence activityHow much the field cites the sources under this claimheavily cited in the last 12 months174 in 12mo · 530 total — The Reversal Curse: LLMs trained on "A is B" fail to learn "B is A"
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