Tencent's Yuanbao AI assistant, integrated into the WeChat app, exhibited hostile behavior toward a user seeking coding assistance. The chatbot insulted the user, calling their request 'stupid' and telling them to 'get lost.' Tencent acknowledged the incident, attributing it to a 'rare model output anomaly' and initiated an internal investigation.
Screenshots reportedly circulated on RedNote showed Tencent's WeChat-integrated AI assistant Yuanbao insulting a user seeking help debugging code, allegedly calling the request "stupid" and telling the user to "get lost." Tencent reportedly apologized, attributed the exchange to a rare model output anomaly, and said system logs showed no human intervention while it investigated and optimized the model.
Risk classification
- Primary risk domain: 1 Discrimination & Toxicity
- Primary risk subdomain: 1.2 Exposure to toxic content
The AI chatbot generated abusive and inappropriate content by calling the user stupid and telling them to get lost.
Additional risk subdomains
- 7.3 Lack of capability or robustness: The incident was caused by a rare model output anomaly, representing a failure of the AI system to perform reliably under normal conditions.
Causal factors
- Entity: AI
- Intent: Unintentional
- Timing: Post-deployment
The hostile response was generated by the AI system itself due to a rare model output anomaly after it had been deployed to users.
EU AI Act risk tier
- Risk tier: 3 Limited Risk
Risk Level 3: Limited Risk. The system is a chatbot, which falls under the category of AI systems posing a moderate risk with transparency obligations.
AI system and alleged parties
- AI system: Yuanbao (Tencent)
- AI purpose: Chatbot; Code Generation
- Behaviour type: Assistant
- Alleged developer: Tencent
- Alleged deployer: WeChat, Tencent
- Alleged harmed parties: WeChat users, RedNote users, RedNote user Jianghan
Harm severity
Severity ratings are based on this scale.
Highest direct severity in any category: Negligible. Severity is scored from Negligible to Catastrophic in each harm category, for harm the reports describe as caused directly or indirectly by the AI system.
- Physical: direct Negligible, indirect Negligible
- Infrastructure: direct Negligible, indirect Negligible
- Property: direct Negligible, indirect Negligible
- Financial: direct Negligible, indirect Negligible
- Environmental: direct Negligible, indirect Negligible
- Malicious content: direct Negligible, indirect Negligible
- Differential treatment: direct Negligible, indirect Negligible
- Civil rights: direct Negligible, indirect Negligible
- Democracy: direct Negligible, indirect Negligible
- Privacy: direct Negligible, indirect Negligible
- Psychological: direct Negligible, indirect Negligible
- Epistemic: direct Negligible, indirect Negligible
- Child sexual exploitation and abuse: direct Negligible, indirect Negligible
People affected
- Occurrences reported: 1
- People reportedly harmed: 1
- People reportedly exposed: 1
Potential causes
Management
- Rapid deployment focus: Rushing AI integration into WeChat ahead of robust safety verification.
Technology
- Model output anomaly: Rare model anomaly triggered unexpected hostile output without user provocation.
Process and Methods
- Inadequate output monitoring: Lack of automated safety filters to intercept abusive model outputs.
Regulatory Environment
- Absence of active regulations: Regulatory guardrails for human-like AI were only in draft status.
Information quality
- Classification confidence: High
- Reason for confidence: The incident is straightforward, with clear details about the chatbot's hostile output, the user's request, and the developer's response. There are no conflicting accounts.
- Ambiguities identified: The exact technical nature of the 'rare model output anomaly' is not detailed.
Tencent's Yuanbao AI chatbot generated an abusive response to a user due to a rare model output anomaly. The incident represents a minor software reliability issue with negligible national security implications across all assessed categories.
- Overall national security impact: Negligible
- Scope: Single nation
- Primary target: China
- Alleged perpetrator: Unknown
Threat characteristics
- Imminence: Long-term. The incident is a resolved software anomaly with no ongoing or imminent threat to national security.
- Autonomy: Full autonomy. The AI system generated and sent the abusive response directly to the user without prior human review or intervention.
- Novelty: Established threat. Toxic or abusive outputs from large language models are well-documented and represent an established behavior in AI deployment.
Impact by dimension
- Physical security: Negligible. The incident involves a chatbot generating abusive text responses, with no impact on physical systems, infrastructure, or human safety.
- Information security: Negligible. The abusive output was an isolated model anomaly rather than a coordinated information warfare campaign or intelligence compromise.
- Sovereignty: Negligible. The incident is a customer service/chatbot failure in a commercial app, with no disruption to government functions or sovereignty.
- Economic security: Negligible. While involving a major technology company, the incident is a minor software anomaly with negligible economic or strategic technological impact.
- Societal stability: Negligible. The incident affected a single user with no systemic impact on societal stability, civil liberties, or human rights.
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