Incident 357: GPT-2 Able to Recite PII in Training Data

Description: OpenAI's GPT-2 reportedly memorized and could regurgitate verbatim instances of training data, including personally identifiable information such as names, emails, twitter handles, and phone numbers.


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Alleged: OpenAI developed and deployed an AI system, which harmed OpenAI and people having personal data in GPT-2's training data.

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Khoa Lam


A "variant" is an incident that shares the same causative factors, produces similar harms, and involves the same intelligent systems as a known AI incident. Rather than index variants as entirely separate incidents, we list variations of incidents under the first similar incident submitted to the database. Unlike other submission types to the incident database, variants are not required to have reporting in evidence external to the Incident Database. Learn more from the research paper.

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