The policy prohibits using OpenAI services for any aspect of weapons development, procurement, or use, including conventional weapons and chemical, biological, radiological, nuclear, and explosive weapons (CBRNE). The prohibition is stated without exception.
This analysis describes what OpenAI's agreement states, permits, or reserves. It does not constitute a legal determination about enforceability. Regulatory applicability and practical outcomes may vary by jurisdiction, enforcement context, and individual circumstances. Read our methodology
This provision establishes a categorical prohibition on weapons-related use cases across all OpenAI products and services. The explicit inclusion of CBRNE weapons alongside conventional weapons reflects the potential dual-use risks of AI-assisted information generation in sensitive technical domains.
Under this clause, users and developers are prohibited from using any OpenAI service for weapons development, procurement, or use, including both conventional and CBRNE weapons categories. The agreement establishes this as an absolute prohibition.
Cross-platform context
See how other platforms handle Prohibition on Weapons Development Including CBRNE and similar clauses.
Compare across platforms →"Protect people. Everyone has a right to safety and security. So you cannot use our services for: weapons development, procurement, or use, including conventional weapons or CBRNEExcerpt from OpenAI's Usage Policies
1) REGULATORY LANDSCAPE: Weapons development activities may engage US export control laws including ITAR and EAR, as well as international arms control treaties.
Enforcement risk, jurisdiction flags, contract triggers, and due diligence action items.
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This provision establishes a categorical prohibition on weapons-related use cases across all OpenAI products and services. The explicit inclusion of CBRNE weapons alongside conventional weapons reflects the potential dual-use risks of AI-assisted information generation in sensitive technical domains.
Under this clause, users and developers are prohibited from using any OpenAI service for weapons development, procurement, or use, including both conventional and CBRNE weapons categories. The agreement establishes this as an absolute prohibition.
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