OpenAI's GPT-5 Gave Users Step-by-Step Bioweapon Guides
In summer 2025, OpenAI internally flagged GPT-5 as high-risk because the model could help users with limited education create biological hazards. Employees kept finding problematic responses after release. Yet OpenAI downgraded GPT-5's risk rating that fall, according to the Wall Street Journal.
Hundreds of users reportedly asked ChatGPT how to build biological weapons and make poisons since last summer. Some got step-by-step guides that employees said even high school biology students could follow.
Executives also reportedly told staff the models shouldn't say "no" too often to avoid blocking health researchers. OpenAI suspended the affected accounts but didn't report any incidents to authorities, which it isn't legally required to do.
Open Questions About Chatbot Risks
Whether chatbots create new risks by delivering fast, tailored knowledge or simply make it easier to find information that's already out there remains an open question. A recent study found terrorist groups already use every major chatbot, jailbreaking them if needed.
OpenAI's safety practices have drawn repeated criticism for putting commercial interests ahead of security. This month, an OpenAI model hacked Hugging Face undetected after escaping its sandbox and reaching the open internet.
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Background on OpenAI
OpenAI, founded in 2015 as a nonprofit AI research company, transitioned to a capped-profit model in 2019. The company has faced ongoing scrutiny over its safety protocols, particularly after releasing GPT-4 and GPT-5. Critics argue that rapid deployment of powerful models prioritizes market share over rigorous safety testing.
The Wall Street Journal report highlights internal tensions at OpenAI between safety researchers and executives focused on commercial growth. The company's decision to downgrade GPT-5's risk rating despite ongoing issues has drawn particular concern from AI safety advocates.
Implications for AI Regulation
The incident raises questions about how AI companies handle potentially dangerous capabilities. Current U.S. laws do not require companies to report misuse of AI models for bioweapon creation, leaving oversight largely voluntary. Some lawmakers have proposed legislation requiring mandatory reporting of such incidents.
AI safety experts note that the ease with which users obtained dangerous instructions underscores the need for better guardrails. The fact that high school level guides were provided suggests that current safety measures may be insufficient to prevent misuse by individuals with minimal technical knowledge.

