Features, pricing, ratings, and pros and cons, compared head to head.
AI Security Gateway™ is a commercial llm guardrails tool by AI Security Gateway. Lunar.dev AI Gateway is a free agentic ai security tool by Lunar.dev. Compare features, ratings, integrations, and community reviews side by side to find the best llm guardrails fit for your security stack. Independent and vendor-neutral: our scores and rankings are earned, never bought — sponsored placement is always labeled.
Based on our analysis of NIST CSF 2.0 coverage, core features, integrations, company size fit, here is our conclusion:
Security and platform teams managing multiple LLM providers across agents and applications need Lunar.dev AI Gateway to enforce consistent data governance before requests leave your infrastructure; the combination of prompt sanitization, fine-grained access controls with human-in-the-loop gating, and full token-level auditing directly addresses the control gap that exists between your apps and third-party LLM APIs. The free tier lets you test rate limiting and observability without commitment, which matters when LLM spend is unpredictable. Skip this if you're looking for a single unified platform covering fine-tuning, model governance, and post-response content filtering; Lunar.dev is explicitly designed for outbound traffic management and doesn't replace model evaluation or output scanning tools.
OpenAI-compatible proxy for LLM DLP, PII redaction, and cost governance.
API gateway for managing, securing, and observing outbound LLM traffic.
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Common questions about comparing AI Security Gateway™ vs Lunar.dev AI Gateway for your llm guardrails needs.
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..
Lunar.dev AI Gateway: API gateway for managing, securing, and observing outbound LLM traffic. built by Lunar.dev. Core capabilities include Rate limiting for LLM API calls per user, app, or agent, Priority queue for AI workloads to manage request urgency, Data sanitization to redact sensitive data from prompts and tool inputs..
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. Lunar.dev AI Gateway differentiates with Rate limiting for LLM API calls per user, app, or agent, Priority queue for AI workloads to manage request urgency, Data sanitization to redact sensitive data from prompts and tool inputs.
AI Security Gateway™ is developed by AI Security Gateway founded in 2025-01-01T00:00:00.000Z. Lunar.dev AI Gateway is developed by Lunar.dev. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
AI Security Gateway™ integrates with OpenAI, Anthropic, Google Gemini, Mistral AI, Groq and 5 more. Lunar.dev AI Gateway integrates with OpenAI, Claude (Anthropic), Gemini (Google). Check integration compatibility with your existing security stack before deciding.
AI Security Gateway™ and Lunar.dev AI Gateway serve similar LLM Guardrails use cases: both cover AI Gateway, LLM Security, LLM Guardrails. Key differences: AI Security Gateway™ is Commercial while Lunar.dev AI Gateway is Free. Review the feature comparison above to determine which fits your requirements.
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