Features
Native RDF and SPARQL support
Hybrid vector + graph retrieval for RAG
LLM-agnostic GraphRAG pipeline
Scalable knowledge graph storage
Graph embeddings and semantic reasoning
OpenAPI-compatible REST API
Bulk import/export (RDF, JSON, CSV)
Role-based access control
Query caching and optimization
Integration with LangChain and LlamaIndex
Customizable entity resolution
Audit logging and monitoring
20+ out-of-box evals for RAG, agents, safety, security
Custom evaluators encoding domain expertise
Auto-tune evals from live feedback
Distill evals into Luna models for 96% cost reduction
Luna Studio for trustworthy evaluations at low cost
Eval Engineer integration with Claude and Codex
Insights engine identifying failure modes and prescribing fixes
Capture groundtruth from synthetic, dev, and production data
Subject matter expert annotations
Guardrail policies blocking harmful responses
Eval scores control agent actions, tool access, escalation paths
Low-latency evaluation on L4 GPUs
Ingest models, prompts, functions, context, datasets, traces, MCP server
Pre-production evals become production guardrails without glue code
Trace-based analysis with millions of signals per session
