Best RealmGuard Alternatives & Competitors in 2026

AI Security Gateway™

OpenAI-compatible proxy for LLM DLP, PII redaction, and cost governance.

Portkey Guardrails for Bedrock

Configurable guardrails for Amazon Bedrock AI requests via an API gateway.

Vijil Dome

Runtime LLM guardrails blocking prompt injections, PII leakage & policy violations.

Guardrails AI OSS

Open-source framework for real-time LLM safety, policy & compliance enforcement.

Promptfoo Guardrails

Adaptive LLM guardrails that self-improve via red team feedback loops.

Confident Security

Platform for securing, governing, and monitoring AI/LLM deployments.

First Recon AI Firewall

Inline firewall inspecting AI prompts/responses for injections & policy violations.

PointGuard AI Intelligent Guardrails

Runtime guardrails for LLM prompts/responses: detects data leaks & prompt injection.

SlashLLM

AI security platform proxying LLM traffic with guardrails, SOC, and governance.

CloudMatos Prompt Firewall

Firewall for LLM systems preventing prompt injection, data leaks & jailbreaks

FireGuard

Policy enforcement & monitoring layer for Microsoft Copilot deployments.

Pangea AI Security Platform

Platform securing AI apps and employee AI use via guardrails & threat detection.

ThirdLaw AI Control Layer

Runtime AI policy enforcement: capture, evaluate, intervene, and investigate AI sessions.

TrojAI Defend

AI firewall for runtime protection of AI models, applications, and agents

DeepKeep LLM

End-to-end LLM security platform protecting against attacks and data leakage

Prompt Security GenAI Solutions

GenAI security platform for shadow AI discovery, prompt injection defense & DLP

Aiceberg Risk Signals Library

Library of AI threat detection signals for securing generative AI models

Magier AI

End-to-end LLM security platform protecting GenAI interactions & applications

Openlayer LLM Observability

LLM pipeline observability: tracing, monitoring, and alerting for GenAI systems.

Akamai Firewall for AI

Firewall protecting LLMs from prompt attacks, data leaks, and harmful outputs

Witness Protect

Enterprise AI firewall protecting AI agents, models, and chatbots from attacks

Impart LLM Security

LLM security platform detecting prompt injection, jailbreaks, and abuse

Eroun&Company SAIFE X

GenAI security platform protecting against data leaks and prompt attacks

Verax Protect

Platform for monitoring and securing LLMs in production environments

Tumerik AI Trust Score™

Real-time AI application security with trust scoring and guardrails

Alibaba Cloud AI Guardrails

Real-time AI content moderation and prompt injection defense for AIGC applications.

CyCraft XecGuard

AI guardrail module protecting LLMs from prompt injection and jailbreak attacks

Dynamo AI DynamoGuard

Real-time AI guardrails platform for detecting misuse, hallucinations & attacks

AIShield Guardian

Middleware guardrail securing LLM inputs/outputs for enterprise GenAI compliance.

LLM Guard

LLM Guard is a security toolkit that enhances the safety and security of interactions with Large Language Models (LLMs) by providing features like sanitization, harmful language detection, data leakage prevention, and resistance against prompt injection attacks.

F5 AI Guardrails

Runtime security for AI models, agents, and data with guardrails and compliance

DeepKeep AI Firewall

Runtime protection firewall for AI systems and applications

SUPERWISE Guardrails

Runtime guardrails for AI/LLM apps blocking violations in under 10ms

Bosch AIShield Guardian

Real-time security platform for deployed AI/ML models and LLM applications.

FireTail Centralized AI Logging

Aggregates & analyzes LLM logs from multiple AI providers for security & governance.

Sinaptic AI Data Protection

Browser extension preventing PII/PHI leakage to AI services like ChatGPT

VicOne xPhinx

Edge AI security for in-vehicle systems against prompt injection attacks

Defend AI

Defend AI delivers runtime security guardrails with >98.1% accuracy and subsecond latency.

Fiddler Guardrails

Guardrails for protecting LLM and agentic applications from harmful content

Bosch AIShield AI Security Platform & GuArdIan

AI security platform & LLM guardrail solution integrated with AWS.

Daxa Pebblo (HPE Secure AI Factory)

Shift-left AI data security gateway blocking sensitive data before LLM ingestion.

Daxa.ai Proxima

AI data gateway securing LLM interactions by monitoring and redacting sensitive data.

Daxa.ai Pebblo

Dual-layer AI security platform for RAG chatbots covering model and retrieval.

Private AI PrivateGPT

Redacts PII from user inputs before sending to ChatGPT for GDPR/HIPAA compliance.

Secuvy AI Data Security

Agentless AI data security platform preventing sensitive data leakage into LLMs.

Calypso AI Inference Platform

Platform securing AI models at inference with red-teaming, defense & monitoring

Check Point Lakera

Runtime security platform for GenAI apps with threat detection & guardrails

Zscaler AI Runtime Protection

Runtime protection for AI systems detecting prompt attacks & data leaks