PromptPex introduces a framework for automatically generating test suites for LLM prompts, addressing a critical gap in LLM application development.

• Creates diverse test cases by automatically generating variants of prompt inputs
• Identifies prompt vulnerabilities including potential hallucinations and prompt injection risks
• Enables continuous prompt quality assurance with automated regression testing
• Achieves up to 50% improved robustness in tested prompts

This research matters for security by establishing systematic safeguards against prompt failures in production environments, helping organizations build more reliable and secure AI-powered applications.

PromptPex: Automatic Test Generation for Language Model Prompts