Lakera Guard
Low-latency API to block prompt injection, data leakage, and jailbreaks.
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Hive Moderation
Full-stack text/image/video moderation plus deepfake & AI-content detection.
Google Vertex AI Safety Filters
Adjustable harm thresholds and safety attributes for Gemini/Imagen outputs.
Spectrum Labs
Contextual AI moderation across text/voice; multilingual & compliance-ready.
Microsoft Community Sift (Two Hat)
Enterprise moderation for communities/games with configurable policies.
Robust Intelligence AI Firewall
Pre- and post-model guardrails to block unsafe prompts/outputs in production.
Google ShieldGemma
Open-weight safety classifiers for inputs/outputs; tune to your policies.
Azure AI Content Safety
Configurable content filters for harmful text and images with studio & APIs.
Guardrails AI (framework)
Open-source + managed framework for input/output checks and structured outputs.
ActiveFence
Real-time guardrails, automated red teaming, and moderation workflows.
Jigsaw Perspective API
Toxicity and harassment scoring for UGC; easy-to-integrate REST API.
Sightengine
Realtime image/video/text moderation APIs with rich unsafe-content taxonomies.
OpenAI Moderation API (omni-moderation-latest)
Multimodal moderation for text & images; granular safety categories and flags.
Clarifai Content Moderation
Production-ready models and workflow tools for automated UGC moderation.
NVIDIA NeMo Guardrails
Programmable guardrails (topic control, PII, jailbreak prevention) for LLM apps.