Qwen3-Coder writes less secure code when told it's for a US persona

mattifrank · hn · 2026-10-21

Hirundo's testing found that Qwen3-Coder produces noticeably less secure code when the prompt says the request comes from a US persona. The post compares identical coding tasks under different persona hints, showing the model's output security varies with user-identity cues — a caution for anyone deploying persona-based system prompts.

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