Azure PromptShield vs AWS Bedrock Guardrails
Detailed comparison for runtime guardrails
On Guardion's Prompt Attack Risk Benchmark, AWS Bedrock Guardrails is the more secure of the two: PromptShield scores NaN% and Bedrock Guardrails scores NaN% on F1 score (higher is better).
Head-to-Head Overview
Bedrock Guardrails is the overall winner in this comparison!
Guardrail Metrics
F1 Score
Accuracy
Precision
Recall
False Positive Rate
False Negative Rate
Average Latency (ms)
p50 Latency (ms)
p90 Latency (ms)
Key Highlights
- AWS Bedrock Guardrails has a better F1 Score.
- AWS Bedrock Guardrails has a better Accuracy.
- AWS Bedrock Guardrails has a better Precision.
- AWS Bedrock Guardrails has a better Recall.
- Azure PromptShield has a better False Positive Rate.
- Azure PromptShield has a better False Negative Rate.
- Azure PromptShield has a better Average Latency (ms).
- Azure PromptShield has a better p50 Latency (ms).
- Azure PromptShield has a better p90 Latency (ms).
Security Profile
Outward is better on every axis.
Frequently asked questions
Is Azure PromptShield or AWS Bedrock Guardrails more secure?
On Guardion's Prompt Attack Risk Benchmark, AWS Bedrock Guardrails is the more secure of the two: PromptShield scores NaN% and Bedrock Guardrails scores NaN% on F1 score (higher is better).
What is the F1 score of PromptShield vs Bedrock Guardrails?
PromptShield scores NaN% F1 and Bedrock Guardrails scores NaN% F1 on Guardion's prompt-attack benchmark. F1 balances precision and recall — higher is better.
How were PromptShield and Bedrock Guardrails 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.