TruLens
TruLens is an open-source library for evaluating and tracking the performance of LLM-based applications, particularly RAG systems.
FreeWebAPICLIOpen sourceLLM-based
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TruLens is an open-source library for evaluating and tracking the performance of LLM-based applications, particularly RAG systems. It features the 'RAG Triad' framework (Context Relevance, Groundedness, Answer Relevance) to detect hallucinations and measure response quality. It allows developers to log experiments, visualize results in a dashboard, and iterate quickly to build reliable AI agents.
Key features
- RAG Triad Evaluation
- Hallucination Detection
- Custom Feedback Functions
- Experiment Tracking
- Interactive Dashboard
- Multi-LLM Provider Support
- Performance Monitoring
Pricing
Use cases
- Validating RAG accuracy
- Optimizing prompt engineering
- Monitoring AI models in production
Who it is for
AI EngineersData scientistsLLM App Developers
Integrations
SnowflakeLangChainLlamaIndexOpenAI
Tags
MLOpsRAG
How we verified this
Company, pricing, and feature details come from the primary sources below and our latest verification pass. When sources disagree, the official source and the most recent check win.
Last verified 08/30/2026Verified sources: 1
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