GuardionAI vs. LangKit
Which AI security platform is right for your team? We break down the differences in features, latency, and protection scope to help you decide.
| Feature | GuardionAI | LangKit |
|---|---|---|
| Primary Focus | Agent Runtime Governance | Observability & Monitoring |
| Tool Call Protection | Deep Inspection | Not documented |
| Deployment | Inline Security Gateway / Guard API / Claude Code plugin | Self-hosted |
| Guardrails Latency | <130ms policy decision | Low |
| Detection Accuracy | 96.3 F1 on the Prompt Security Leaderboard with 0.02% false positives | Not published / varies by deployment |
| Compliance | GDPR-ready, HIPAA-ready, LGPD-ready, SOC 2 Type II (in progress) | Apache 2.0 |
GuardionAI figures from guardion.ai (Policy engine decisions return in under 130ms — 20× faster than cloud provider guardrails.) • LangKit figures from public documentation.
Choose GuardionAI if...
- •You are building autonomous AI agents that use tools, MCP servers, or APIs.
- •Latency is critical for your application (Policy engine decisions return in under 130ms — 20× faster than cloud provider guardrails).
- •You want DLP for PII and secrets before data leaves your org.
- •You need a single hub to investigate and respond to agent incidents.
Choose LangKit if...
- •Integrates with WhyLabs
- •Its pricing model (Open Source) fits your procurement preferences
Frequently asked questions
What is LangKit?
Open-source text metrics toolkit for monitoring language models, detecting quality and security issues. It is categorized under Observability & Evaluation in the Guardion AI Security Index.
Is LangKit open source?
Yes. LangKit has an open-source core (https://github.com/whylabs/langkit); pricing model: Open Source.
What are the best LangKit alternatives?
Teams evaluating LangKit most often compare it with Braintrust, Langfuse, Snowflake (TruEra), and GuardionAI — all listed under Observability & Evaluation.
How does LangKit compare to GuardionAI?
LangKit focuses on observability & monitoring, while GuardionAI is an agent runtime governance platform ("EDR for AI agents") that governs every agent tool call inline with sub-130ms guardrails latency.