Best Prompt Guard Alternatives & Competitors in 2026
Top picks: White Circle Control Your AI, F5 AI Guardrails, Akamai Firewall for AI — plus 34 more compared.
AI SecurityTop picks: White Circle Control Your AI, F5 AI Guardrails, Akamai Firewall for AI — plus 34 more compared.
AI SecurityPrompt Guard is a commercial LLM Guardrails tool developed by NeuralTrust. Security professionals most commonly compare it with White Circle Control Your AI, F5 AI Guardrails, Akamai Firewall for AI, Tumerik AI Trust Score™, and Akto Homegrown AI and GenAI Security. All 37 alternatives are matched by shared capabilities, tags, and NIST CSF 2.0 coverage.
A closer look at the 8 most relevant alternatives and competitors to Prompt Guard, including their key features and shared capabilities.
AI control layer for testing, protecting, observing, and optimizing AI apps
Runtime security for AI models, agents, and data with guardrails and compliance
Firewall protecting LLMs from prompt attacks, data leaks, and harmful outputs
Real-time AI application security with trust scoring and guardrails
Secures homegrown AI and GenAI applications against prompt injection and abuse
AI guardrail module protecting LLMs from prompt injection and jailbreak attacks
Runtime security layer for AI agents, RAG, and MCP with real-time controls
Runtime guardrails for GenAI apps providing real-time threat detection & response
AI control layer for testing, protecting, observing, and optimizing AI apps
Runtime security for AI models, agents, and data with guardrails and compliance
Firewall protecting LLMs from prompt attacks, data leaks, and harmful outputs
Real-time AI application security with trust scoring and guardrails
Secures homegrown AI and GenAI applications against prompt injection and abuse
AI guardrail module protecting LLMs from prompt injection and jailbreak attacks
Runtime security layer for AI agents, RAG, and MCP with real-time controls
Runtime guardrails for GenAI apps providing real-time threat detection & response
Enterprise AI firewall protecting AI agents, models, and chatbots from attacks
Security platform for AI applications across development and production
End-to-end LLM security platform protecting GenAI interactions & applications
Enterprise AI security suite with real-time filtering and automated testing
Guardrails for protecting LLM and agentic applications from harmful content
Secures AI-assisted dev environments from prompt injection, DLP, & shadow AI.
Firewall for LLM systems preventing prompt injection, data leaks & jailbreaks
AI firewall for runtime protection of AI models, applications, and agents
AI security platform with guardrails, policy enforcement, and data redaction
End-to-end LLM security platform protecting against attacks and data leakage
Runtime guardrails for AI/LLM apps blocking violations in under 10ms
Real-time AI guardrails platform for detecting misuse, hallucinations & attacks
Real-time guardrails for AI agents, models, and apps with multimodal protection
AI security platform & LLM guardrail solution integrated with AWS.
Centralized gateway for accessing and securing AI models with routing & monitoring
AI data gateway securing LLM interactions by monitoring and redacting sensitive data.
AI guardrails tool for PII/PHI detection, masking & content filtering in LLM apps.
Agentic platform enforcing real-time AI prompt governance & Shadow AI control.
Safety reasoning model for content classification and trust & safety apps
Context-aware access control for AI pipelines, LLMs, and multi-agent workflows.
Adaptive LLM guardrails that self-improve via red team feedback loops.
Platform for securing, governing, and monitoring AI/LLM deployments.
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.
API gateway for managing, securing, and observing outbound LLM traffic.
Open-source framework for real-time LLM safety, policy & compliance enforcement.
Common questions security professionals ask when evaluating alternatives and competitors to Prompt Guard.
The most popular alternatives to Prompt Guard include White Circle Control Your AI, F5 AI Guardrails, Akamai Firewall for AI, Tumerik AI Trust Score™, and Akto Homegrown AI and GenAI Security. These LLM Guardrails tools offer similar capabilities and are frequently compared by security professionals evaluating their options.
