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
- Guardrails AIStable
Add input/output validation and safety rails to LLM calls
- NeMo GuardrailsExperimental
NVIDIA toolkit for programmable guardrails via Colang language
- Llama Guard 4Stable
Meta's fine-tuned safety classifier for prompt and response screening — now natively multimodal
- RebuffExperimental
Prompt injection detection API for LLM applications
- Microsoft PresidioProduction
Data protection and anonymization for PII in LLM pipelines
- Azure AI Content SafetyProduction
Microsoft's content moderation API for text and images