AI Security Gateway™ vs Witness Protect: 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..

Witness Protect: Enterprise AI firewall protecting AI agents, models, and chatbots from attacks. built by WitnessAI. Core capabilities include Bidirectional runtime defense for AI applications and agents, Prompt injection and jailbreak detection and blocking, Output filtering before user delivery or agent execution..

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. Witness Protect differentiates with Bidirectional runtime defense for AI applications and agents, Prompt injection and jailbreak detection and blocking, Output filtering before user delivery or agent execution.

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

AI Security Gateway™ integrates with OpenAI, Anthropic, Google Gemini, Mistral AI, Groq and 5 more. Witness Protect integrates with Windows Copilot, Office 365. Check integration compatibility with your existing security stack before deciding.

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