Best Lunar.dev AI Gateway Alternatives & Competitors in 2026
Top picks: Confident Security, Guardrails AI OSS, Promptfoo Guardrails — plus 35 more compared.
AI SecurityTop picks: Confident Security, Guardrails AI OSS, Promptfoo Guardrails — plus 35 more compared.
AI SecurityLunar.dev AI Gateway is a free LLM Guardrails tool developed by Lunar.dev. Security professionals most commonly compare it with Confident Security, Guardrails AI OSS, Promptfoo Guardrails, LLM Guard, and CloudMatos Prompt Firewall. All 38 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 Lunar.dev AI Gateway, including their key features and shared capabilities.
Platform for securing, governing, and monitoring AI/LLM deployments.
Shares 6 capabilities with Lunar.dev AI Gateway: LLM Security, Prompt Injection, LLM Guardrails, AI Gateway +2 more
Open-source framework for real-time LLM safety, policy & compliance enforcement.
Shares 5 capabilities with Lunar.dev AI Gateway: LLM Security, Prompt Injection, LLM Guardrails, GenAI Security +1 more
Adaptive LLM guardrails that self-improve via red team feedback loops.
Shares 4 capabilities with Lunar.dev AI Gateway: LLM Security, Prompt Injection, LLM Guardrails, GenAI Security
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.
Shares 3 capabilities with Lunar.dev AI Gateway: LLM Security, Prompt Injection, LLM Guardrails
Firewall for LLM systems preventing prompt injection, data leaks & jailbreaks
Secures homegrown AI and GenAI applications against prompt injection and abuse
AI guardrail module protecting LLMs from prompt injection and jailbreak attacks
End-to-end LLM security platform protecting GenAI interactions & applications
Platform for securing, governing, and monitoring AI/LLM deployments.
Open-source framework for real-time LLM safety, policy & compliance enforcement.
Adaptive LLM guardrails that self-improve via red team feedback loops.
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.
Firewall for LLM systems preventing prompt injection, data leaks & jailbreaks
Secures homegrown AI and GenAI applications against prompt injection and abuse
AI guardrail module protecting LLMs from prompt injection and jailbreak attacks
End-to-end LLM security platform protecting GenAI interactions & applications
Runtime security layer for AI agents, RAG, and MCP with real-time controls
End-to-end LLM security platform protecting against attacks and data leakage
Centralized gateway for accessing and securing AI models with routing & monitoring
AI security platform & LLM guardrail solution integrated with AWS.
Secures AI-assisted dev environments from prompt injection, DLP, & shadow AI.
Runtime security for AI models, agents, and data with guardrails and compliance
Firewall protecting LLMs from prompt attacks, data leaks, and harmful outputs
AI firewall for runtime protection of AI models, applications, and agents
Real-time AI application security with trust scoring and guardrails
AI control layer for testing, protecting, observing, and optimizing AI apps
Safety reasoning model for content classification and trust & safety apps
Runtime guardrails for GenAI apps providing real-time threat detection & response
AI security platform with guardrails, policy enforcement, and data redaction
Enterprise AI firewall protecting AI agents, models, and chatbots from attacks
Security platform for AI applications across development and production
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
Enterprise AI security suite with real-time filtering and automated testing
Guardrails for protecting LLM and agentic applications from harmful content
Guardrail engine protecting LLM apps from prompt injections and jailbreaks
AI data gateway securing LLM interactions by monitoring and redacting sensitive data.
Context-aware access control for AI pipelines, LLMs, and multi-agent workflows.
AI guardrails tool for PII/PHI detection, masking & content filtering in LLM apps.
Agentic platform enforcing real-time AI prompt governance & Shadow AI control.
Common questions security professionals ask when evaluating alternatives and competitors to Lunar.dev AI Gateway.
The most popular alternatives to Lunar.dev AI Gateway include Confident Security, Guardrails AI OSS, Promptfoo Guardrails, LLM Guard, and CloudMatos Prompt Firewall. These LLM Guardrails tools offer similar capabilities and are frequently compared by security professionals evaluating their options.
There are 38 alternatives to Lunar.dev AI Gateway listed on CybersecTools, all within the LLM Guardrails category. Each alternative is matched based on shared capabilities, tags, and NIST CSF coverage areas.
Lunar.dev AI Gateway is a free LLM Guardrails tool. You can use it at no cost. Both free and commercial alternatives are available for comparison.
Lunar.dev AI Gateway 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 38 similar tools.
