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https://www.productionai.institute/graph/entities/aiid-gpt-4o

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Production AI Institute public record · gpt-4o · observed 2024-06-16
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gpt-4o

gpt-4o - organisation named in the AI Incident Database harm index.

Confidence
70%
Sources
2
Events
1
Observed
observed 772d ago
gpt-4o

What changed

OpenAI's GPT-4o was found to have its Chinese token training data compromised by spam and pornographic phrases due to inadequate data cleaning. Tianle Cai, a Ph.D. student at Princeton University, identified that most of the longest Chinese tokens were irrelevant and inappropriate, primarily originating from spam and pornography websites. The polluted tokens could lead to hallucinations, poor performance, and potential misuse, undermining the chatbot's reliability and safety…

  • GPT-4o’s Chinese token-training data is polluted by spam and porn websiteshttps://www.technologyreview.com/2024/05/17/1092649/gpt-4o-chinese-token-polluted/
  • AI Incident Database - Incident 729https://incidentdatabase.ai/cite/729/

Timeline

  1. 16 June 2024GPT-4o's Chinese Tokens Reportedly Compromised by Spam and Pornography Due to Inadequate Filtering
    Incident78%
    • GPT-4o’s Chinese token-training data is polluted by spam and porn websiteshttps://www.technologyreview.com/2024/05/17/1092649/gpt-4o-chinese-token-polluted/
    • AI Incident Database - Incident 729https://incidentdatabase.ai/cite/729/

PSF mapping

No PSF domains are mapped to this entity in the current public record.

Source trail (2)

secondary · checked 9 July 2026

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secondary · checked 16 June 2024

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"gpt-4o." https://www.productionai.institute/graph/entities/aiid-gpt-4o (observed 2024-06-16; retrieved 2026-07-28). PAI.

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