First Recon AI Firewall vs ZenGuard: side-by-side comparison (2026)

First Recon AI Firewall: Inline firewall inspecting AI prompts/responses for injections & policy violations. Built by First Recon AI.

ZenGuard: Runtime protection and security testing platform for LLM-based AI agents. Built by ZenGuard.

The table above shows where their features, integrations, deployment and company size fit differ.

First Recon AI Firewall is made by First Recon AI. ZenGuard is made by ZenGuard. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

In part. First Recon AI Firewall and ZenGuard are not in the same category on CybersecTools. Both cover LLM Security, LLM Guardrails, Prompt Injection. Use the table above to see where features, deployment and company size fit differ.