Data as of Aug 16, 2026 · Based on 3,131,739 AI responses across 10,525 prompts · See how Parse measures this
PromptGuardpromptguard.coPromptGuard 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.
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
The market map
LLM Firewall and Guardrail Platforms →