AI Security Gateway™ vs Hardshell: 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..

Hardshell: AI security platform protecting training data from poisoning and leakage. built by Hardshell. Core capabilities include Data poisoning detection and mitigation, Membership inference risk reduction, Model leakage prevention..

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. Hardshell differentiates with Data poisoning detection and mitigation, Membership inference risk reduction, Model leakage prevention.

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

AI Security Gateway™ and Hardshell serve similar LLM Guardrails use cases. Review the feature comparison above to determine which fits your requirements.