Agent Vault vs Lunar.dev AI Gateway: Side-by-Side Comparison (2026)

Agent Vault: Zero-trust security & governance platform for autonomous agentic AI systems. built by Ntur AI. Core capabilities include Cryptographically enforced tool execution via signed tool registry with public/private key validation, Immutable audit trails for continuous compliance, Behavioral drift detection and dynamic guardrails..

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 Agentic AI Security market but differ in approach, feature depth, and target audience.

Agent Vault differentiates with Cryptographically enforced tool execution via signed tool registry with public/private key validation, Immutable audit trails for continuous compliance, Behavioral drift detection and dynamic guardrails. 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.

Agent Vault is developed by Ntur AI. Lunar.dev AI Gateway is developed by Lunar.dev. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Agent Vault and Lunar.dev AI Gateway serve similar Agentic AI Security use cases: both are Agentic AI Security tools, both cover LLM Security, LLM Guardrails, Prompt Injection. Key differences: Agent Vault is Commercial while Lunar.dev AI Gateway is Free. Review the feature comparison above to determine which fits your requirements.