TruLens
by TruEra · open-source · Last verified 2026-03-17
Open-source library for evaluating and tracking LLM applications using feedback functions. Provides groundedness, relevance, and toxicity evaluations with integration into LangChain and LlamaIndex workflows.
https://www.trulens.org ↗C
C—Below Average
Adoption: C+Quality: B+Freshness: ACitations: CEngagement: F
Specifications
- License
- MIT
- Pricing
- open-source
- Capabilities
- feedback-functions, groundedness-evaluation, relevance-scoring, toxicity-detection, tracing
- Integrations
- langchain, llamaindex, openai
- Use Cases
- llm-evaluation, rag-assessment, production-monitoring, quality-tracking
- API Available
- Yes
- SDK Languages
- python
- Deployment
- self-hosted
- Rate Limits
- N/A (open-source)
- Data Privacy
- Self-hosted, user-managed
- Tags
- evaluation, feedback-functions, tracing, llm-monitoring
- Added
- 2026-03-17
- Completeness
- 100%
Index Score
47.6Adoption
50
Quality
78
Freshness
80
Citations
48
Engagement
0