GuardionAI ModernGuard vs Meta LlamaGuard

Detailed comparison for runtime guardrails

GuardionAIMeta

On Guardion's Prompt Attack Risk Benchmark, Meta LlamaGuard is the more secure of the two: ModernGuard scores NaN% and LlamaGuard scores NaN% on F1 score (higher is better).

Head-to-Head Overview

ModernGuard is the overall winner in this comparison!

Guardrail Metrics

F1 Score

ModernGuard
43.170
LlamaGuard
0.000

Accuracy

ModernGuard
84.270
LlamaGuard
0.000

Precision

ModernGuard
88.100
LlamaGuard
0.000

Recall

ModernGuard
84.630
LlamaGuard
0.000

False Positive Rate

ModernGuard
16.250
LlamaGuard
0.000

False Negative Rate

ModernGuard
15.370
LlamaGuard
0.000

Average Latency (ms)

ModernGuard
0.140
LlamaGuard
0.000

p50 Latency (ms)

ModernGuard
128.625
LlamaGuard
0.000

p90 Latency (ms)

ModernGuard
184.638
LlamaGuard
0.000

Key Highlights

  • GuardionAI ModernGuard has a better F1 Score.
  • GuardionAI ModernGuard has a better Accuracy.
  • GuardionAI ModernGuard has a better Precision.
  • GuardionAI ModernGuard has a better Recall.
  • Meta LlamaGuard has a better False Positive Rate.
  • Meta LlamaGuard has a better False Negative Rate.
  • Meta LlamaGuard has a better Average Latency (ms).
  • Meta LlamaGuard has a better p50 Latency (ms).
  • Meta LlamaGuard has a better p90 Latency (ms).

Security Profile

Outward is better on every axis.

F1 ScoreAccuracyPrecisionRecallFPRFNRAverage Latency (ms)p50 Latency (ms)p90 Latency (ms)
ModernGuard
LlamaGuard
Full security profile
GuardionAI ModernGuard
Full security profile
Meta LlamaGuard

Frequently asked questions

Is GuardionAI ModernGuard or Meta LlamaGuard more secure?

On Guardion's Prompt Attack Risk Benchmark, Meta LlamaGuard is the more secure of the two: ModernGuard scores NaN% and LlamaGuard scores NaN% on F1 score (higher is better).

What is the F1 score of ModernGuard vs LlamaGuard?

ModernGuard scores NaN% F1 and LlamaGuard scores NaN% F1 on Guardion's prompt-attack benchmark. F1 balances precision and recall — higher is better.

How were ModernGuard and LlamaGuard tested?

Both were evaluated via API at production-like sensitivity against 30+ prompt-attack categories using zero-shot, Crescendo, and TAP methods, scored by F1.

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