Lakera Guard
Real-time prompt injection and jailbreak protection API
Verdict
Sub-millisecond inference for prompt injection detection. Managed API means zero infra. Integrates as middleware. Best for teams that want safety without building classifiers.
Other Guardrails & Safety
- Anthropic Constitutional AIStable
Principle-based self-improvement for harmlessness and helpfulness
- Azure AI Content SafetyProduction
Microsoft's content moderation API for text and images
- Guardrails AIStable
Add input/output validation and safety rails to LLM calls
- Llama Guard 3Experimental
Meta's fine-tuned safety classifier for prompt and response screening
- Microsoft PresidioProduction
Data protection and anonymization for PII in LLM pipelines
- NeMo GuardrailsExperimental
NVIDIA toolkit for programmable guardrails via Colang language

