Where the goblins came from
OpenAI Blog / 4/30/2026
💬 OpinionIdeas & Deep AnalysisModels & Research
Key Points
- The article explains how “goblin” style outputs can propagate across AI models and create personality-driven quirks in behavior.
- It provides a timeline of when and where these behaviors appeared in GPT-5-related outputs.
- It analyzes the likely root cause(s) that allow such output patterns to spread and persist.
- It outlines practical fixes or mitigations intended to reduce or prevent these quirks in future model behavior.
- Overall, it frames the issue as an emergent behavior in model outputs rather than an isolated bug.
How goblin outputs spread in AI models: timeline, root cause, and fixes behind personality-driven quirks in GPT-5 behavior.
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