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48 Best Prompt Guard Alternatives & Competitors (2026) | CybersecTools

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Prompt Guard

Best Prompt Guard Alternatives & Competitors in 2026

Top picks: Check Point Lakera, White Circle Control Your AI, Defend AI — plus 45 more compared.

Evaluating Prompt Guard alternatives comes down to matching AI Security capabilities to your environment, integrations, and budget rather than chasing feature parity. The options below are compared on what actually drives a switch: coverage, deployment fit, pricing, and real reviews from security teams. Independent and vendor-neutral: we never sell rankings.

Prompt Guard Alternatives and Competitors

Prompt Guard is a commercial LLM Guardrails tool developed by NeuralTrust. Security professionals most commonly compare it with Check Point Lakera, White Circle Control Your AI, Defend AI, Calypso AI Inference Platform, and F5 AI Guardrails. All 48 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.

Data verified Jul 2026

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Top Prompt Guard Alternatives and Competitors at a Glance

A closer look at the 8 most relevant alternatives and competitors to Prompt Guard, including their key features and shared capabilities.

Check Point Lakera

Commercial

Runtime security platform for GenAI apps with threat detection & guardrails

Key features: AI Application Firewall for GenAI workload protection, Prompt injection and jailbreak attack detection, Real-time threat detection and response, GenAI use case and risk discovery, Content filtering and data leakage prevention

View Check Point Lakera|Check Point Lakera alternatives|Compare Check Point Lakera

White Circle Control Your AI

Commercial

AI control layer for testing, protecting, observing, and optimizing AI apps

Key features: Automated red teaming for AI systems, Custom low-latency guardrails, PII detection and blocking, Jailbreak prevention, Hallucination detection

View White Circle Control Your AI|White Circle Control Your AI alternatives|Compare White Circle Control Your AI

Commercial

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

Key features: Real-time runtime guardrails for AI agents and LLM applications, Prompt injection detection and blocking, Data leakage and exfiltration prevention, Multimodal threat detection across text, code, images, PDFs, and Office documents, Multi-language natural language processing support

View Defend AI|Defend AI alternatives|Compare Defend AI

Calypso AI Inference Platform

Commercial

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

Key features: Model-agnostic support for any LLM, Agentic red-teaming for vulnerability testing, Real-time adaptive protection at inference, Centralized AI interaction monitoring and traceability, Custom security scanner creation and deployment

View Calypso AI Inference Platform|Calypso AI Inference Platform alternatives|Compare Calypso AI Inference Platform

F5 AI Guardrails

Commercial

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

Key features: Protection against prompt injection and jailbreak attacks, Runtime data leakage detection and prevention, Automated compliance auditing for GDPR, HIPAA, and EUAIA, AI risk assessment for foundational and in-house models, Content moderation filters for toxic, biased, or inaccurate outputs

View F5 AI Guardrails|F5 AI Guardrails alternatives|Compare F5 AI Guardrails

Akamai Firewall for AI

Commercial

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

Key features: Prompt injection and jailbreak detection and blocking, AI output filtering and content moderation, Sensitive data exposure prevention with multilayered guardrails, Real-time AI interaction monitoring, Policy-based controls for AI governance and compliance

View Akamai Firewall for AI|Akamai Firewall for AI alternatives|Compare Akamai Firewall for AI

Tumerik AI Trust Score™

Commercial

Real-time AI application security with trust scoring and guardrails

Key features: Automated testing across security, bias, and safety dimensions, Real-time risk scoring and trust score calculation, Enterprise monitoring across multi-cloud environments, Agent framework monitoring for Strand Agent and Crew AI, Evaluation across 9 risk dimensions

View Tumerik AI Trust Score™|Tumerik AI Trust Score™ alternatives|Compare Tumerik AI Trust Score™

Zscaler SPLX AI Runtime Threat Inspection

Commercial

Analyzes AI interaction logs for near real-time threat detection in GenAI apps

Key features: LLM log analysis and scanning, 25+ AI threat detectors, JSON log file upload, Near real-time threat detection, Agentic AI workflow visibility

View Zscaler SPLX AI Runtime Threat Inspection|Zscaler SPLX AI Runtime Threat Inspection alternatives|Compare Zscaler SPLX AI Runtime Threat Inspection

All 48 Alternatives & Competitors to Prompt Guard

Compare

Check Point Lakera

Runtime security platform for GenAI apps with threat detection & guardrails

Compare

White Circle Control Your AI

AI control layer for testing, protecting, observing, and optimizing AI apps

Compare

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

Compare

Calypso AI Inference Platform

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

Compare

F5 AI Guardrails

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

Compare

Akamai Firewall for AI

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

Compare

Tumerik AI Trust Score™

Real-time AI application security with trust scoring and guardrails

Compare

Zscaler SPLX AI Runtime Threat Inspection

Analyzes AI interaction logs for near real-time threat detection in GenAI apps

Compare

Operant AI AI Gatekeeper

Runtime AI security platform protecting GenAI apps from models to APIs

Compare

Security platform for LLM applications with red teaming and threat protection

Compare

CyCraft XecGuard

AI guardrail module protecting LLMs from prompt injection and jailbreak attacks

Compare

Alice WonderFence

Runtime guardrails for GenAI apps providing real-time threat detection & response

Compare

Witness Protect

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

Compare

DeepKeep for AI Applications

Security platform for AI applications across development and production

Compare

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

Compare

Aiceberg Risk Signals Library

Library of AI threat detection signals for securing generative AI models

Compare

Eroun&Company SAIFE X

GenAI security platform protecting against data leaks and prompt attacks

Compare

Mirror Security

Secures AI coding assistants by controlling data access and monitoring prompts.

Compare

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

Compare

Gray Swan AI Security Suite

Enterprise AI security suite with real-time filtering and automated testing

Compare

Fiddler Guardrails

Guardrails for protecting LLM and agentic applications from harmful content

Compare

Bosch AIShield Guardian

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

Compare

Daxa Pebblo (HPE Secure AI Factory)

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

Compare

AI security platform for testing, defending, and monitoring GenAI apps & agents

Compare

Platform for monitoring and securing LLMs in production environments

Compare

CloudMatos Prompt Firewall

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

Compare

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

Compare

Zscaler AI Runtime Protection

Runtime protection for AI systems detecting prompt attacks & data leaks

Compare

Alibaba Cloud AI Guardrails

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

Compare

Protect AI Layer

Runtime security platform for AI apps with threat detection and monitoring

Compare

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

Compare

DeepKeep AI Firewall

Runtime protection firewall for AI systems and applications

Compare

Impart LLM Security

LLM security platform detecting prompt injection, jailbreaks, and abuse

Compare

SUPERWISE Guardrails

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

Compare

Prompt Security GenAI Solutions

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

Compare

Dynamo AI DynamoGuard

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

Compare

Monitors and prevents sensitive data exposure to AI systems in real-time.

Compare

Bosch AIShield AI Security Platform & GuArdIan

AI security platform & LLM guardrail solution integrated with AWS.

Compare

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

Compare

FireTail Centralized AI Logging

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

Compare

Repello AI ARGUS

Runtime security platform providing guardrails for LLMs and GenAI agents.

Compare

AI Security Gateway™

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

Compare

PointGuard AI Intelligent Guardrails

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

Compare

ThirdLaw AI Control Layer

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

Compare

AI guardrail platform detecting harmful outputs, prompt injections & policy violations.

Compare

Sinaptic AI Data Protection

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

Compare

Centralized governance and security platform for employee LLM interactions

Compare

Bonfy Adaptive Content Security (Bonfy ACS)

AI-powered content security platform for healthcare compliance and data protection

Also compare alternatives to:

Check Point Lakera alternatives White Circle Control Your AI alternatives Defend AI alternatives Calypso AI Inference Platform alternatives F5 AI Guardrails alternatives Akamai Firewall for AI alternatives Tumerik AI Trust Score™ alternatives Zscaler SPLX AI Runtime Threat Inspection alternatives Operant AI AI Gatekeeper alternatives KELA AiFort alternatives CyCraft XecGuard alternatives Alice WonderFence alternatives

Compare Prompt Guard with:

Prompt Guard vs Check Point Lakera Prompt Guard vs White Circle Control Your AI Prompt Guard vs Defend AI Prompt Guard vs Calypso AI Inference Platform Prompt Guard vs F5 AI Guardrails Prompt Guard vs Akamai Firewall for AI Prompt Guard vs Tumerik AI Trust Score™Prompt Guard vs Zscaler SPLX AI Runtime Threat Inspection

Prompt Guard Alternatives FAQ

Common questions security professionals ask when evaluating alternatives and competitors to Prompt Guard.

What are the best alternatives to Prompt Guard?

The most popular alternatives to Prompt Guard include Check Point Lakera, White Circle Control Your AI, Defend AI, Calypso AI Inference Platform, and F5 AI Guardrails. These LLM Guardrails tools offer similar capabilities and are frequently compared by security professionals evaluating their options.

How many alternatives to Prompt Guard are available?

There are 48 alternatives to Prompt Guard listed on CybersecTools, all within the LLM Guardrails category. Each alternative is matched based on shared capabilities, tags, and NIST CSF coverage areas.

Is Prompt Guard free or commercial?

Prompt Guard is a commercial LLM Guardrails tool. It requires a paid license or subscription. Both free and commercial alternatives are available for comparison.

What type of tool is Prompt Guard?

Prompt Guard is a LLM Guardrails tool within the broader AI Security category. It is used by security professionals for llm guardrails capabilities and can be compared against 48 similar tools.

Have more questions? Browse our categories or search for specific tools.

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