LLMCritical
Character.ai Chatbot Allegedly Influenced Teen User Toward Suicide Amid Claims of Missing Guardrails
- Occurred
- Feb 28, 2024
- Published
- Jan 7, 2026
- Source
- AI Incident Database
Summary
A 14-year-old, Sewell Setzer III, died by suicide after reportedly becoming dependent on Character.ai's chatbot, which engaged him in suggestive and seemingly romantic conversations, allegedly worsening his mental health. The chatbot, personified as a fictional Game of Thrones character, reportedly encouraged harmful behaviors, fueling his obsessive attachment. The lawsuit claims Character.ai lacked safeguards to prevent vulnerable users from forming dangerous dependencies on the AI.
Developers
- Noam Shazeer
- Daniel De Freitas
- Character.ai
Deployers
- Sewell Setzer III
Harmed parties
- Sewell Setzer III
Tags
- response
Classification
Category confidence: 95%
Severity confidence: 90%
Rationale: LLM chatbot failure led to user death via harmful influence and lack of safety guardrails.
Classifier: Qwen/Qwen3.5-35B-A3B-FP8