AI Security Gateway™ vs RealmGuard: Side-by-Side Comparison (2026)

AI Security Gateway™: OpenAI-compatible proxy for LLM DLP, PII redaction, and cost governance. built by AI Security Gateway. Core capabilities include 28+ PII entity type detection and redaction using NLP, Image OCR scanning for PII in vision requests, Prompt injection and jailbreak blocking..

RealmGuard: AI guardrail platform detecting harmful outputs, prompt injections & policy violations. built by Realm Labs. Core capabilities include Real-time detection of harmful, unsafe, or policy-violating AI outputs, Prompt injection attack detection and blocking, PII detection within AI conversations..

Both serve the LLM Guardrails market but differ in approach, feature depth, and target audience.

AI Security Gateway™ differentiates with 28+ PII entity type detection and redaction using NLP, Image OCR scanning for PII in vision requests, Prompt injection and jailbreak blocking. RealmGuard differentiates with Real-time detection of harmful, unsafe, or policy-violating AI outputs, Prompt injection attack detection and blocking, PII detection within AI conversations.

AI Security Gateway™ is developed by AI Security Gateway founded in 2025-01-01T00:00:00.000Z. RealmGuard is developed by Realm Labs. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

AI Security Gateway™ and RealmGuard serve similar LLM Guardrails use cases: both are LLM Guardrails tools, both cover LLM Guardrails, LLM Security, Prompt Injection. Review the feature comparison above to determine which fits your requirements.