TruLens

Evaluate and Track Your LLM Apps

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Overview

TruLens is an open-source Python library for evaluating and tracking LLM-based applications. It provides a set of tools for instrumenting and evaluating the performance of LLM apps, including feedback functions for measuring quality aspects like relevance, groundedness, and toxicity. TruLens is designed to be used in both development and production environments.

✨ Key Features

  • LLM Application Evaluation
  • Feedback Functions for Quality Metrics
  • Instrumentation and Tracking
  • Dashboard for Visualization and Analysis
  • Open-Source

🎯 Key Differentiators

  • Focus on evaluation with feedback functions
  • Open-source and easy to integrate into Python workflows
  • Provides a dashboard for visualizing evaluations

Unique Value: Provides a flexible and extensible open-source framework for evaluating the quality and performance of LLM applications.

🎯 Use Cases (4)

Evaluating the Quality of LLM Applications Tracking and Comparing Different Versions of LLM Apps Debugging and Improving LLM Performance Monitoring LLM Apps in Production

🏆 Alternatives

Langfuse LangSmith DeepEval

Its focus on feedback functions and ease of integration into Python workflows makes it a strong choice for developers who want to build custom evaluation pipelines.

💻 Platforms

API Self-Hosted

✅ Offline Mode Available

🔌 Integrations

LangChain LlamaIndex OpenAI Hugging Face

🛟 Support Options

  • ✓ Live Chat
  • ✓ Dedicated Support (NA tier)

💰 Pricing

Contact for pricing
Free Tier Available

Free tier: Open-source and free to use

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