AI Security Gateway™ vs Zscaler SPLX: 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..

Zscaler SPLX: End-to-end platform for securing AI systems across their entire lifecycle. built by SPLX. Core capabilities include AI asset discovery and AI-BOM generation, Automated AI red teaming with attack database, Runtime input/output guardrails for prompt injection 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. Zscaler SPLX differentiates with AI asset discovery and AI-BOM generation, Automated AI red teaming with attack database, Runtime input/output guardrails for prompt injection prevention.

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

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