Data as of Aug 25, 2026 · Based on 3,181,687 AI responses across 10,525 prompts · See how Parse measures this
PromptGuard is an AI security gateway that protects LLM applications from prompt injection, data leaks, and other AI-specific threats in real time. It provides a firewall that scans, validates, and logs every request with minimal latency, requiring only a single API call or base URL change to deploy.
Parse Score
Tools that detect and block malicious or unauthorized instructions sent to large language models to maintain application safety.
Rivals
Rebuff is the brand AI weighs against PromptGuard most, and it leads on prompt injection detection and input sanitization.
Sources
promptguard.co shapes more of what AI says about PromptGuard than any other source, at 86% of its citations.
arxiv.org · huggingface.co · aironclaw.com · blogs.cisco.com