TruLens

Overview

TruLens is a comprehensive evaluation and observability platform for LLM applications, with strong support for RAG system assessment and debugging.

Core Features

Evaluation:

• Context relevance scoring
• Groundedness detection
• Answer relevance metrics
• Custom feedback functions

Observability:

• Trace all components
• Track retrieval paths
• Monitor LLM calls
• Visualize data flow

Guardrails:

• Detect hallucinations
• Filter inappropriate content
• Enforce quality thresholds

RAG-Specific Features

• Retrieval quality assessment
• Context utilization tracking
• Chunk relevance scoring
• Multi-hop reasoning evaluation

Integration

Works with:

• LangChain
• LlamaIndex
• OpenAI
• Anthropic
• HuggingFace

Use Cases

• Production RAG monitoring
• Development debugging
• Quality assurance
• Performance optimization

Availability

Open-source with managed service option