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TruLens: Evals and Tracing for Agents
TruLens is an open-source evaluation framework that helps developers objectively measure the quality and effectiveness of AI agents across metrics like groundedness, context relevance, coherence, and more. Originally created by TruEra and now shepherded by Snowflake, it supports agents, RAG, summarization, and co-pilots via a Python SDK and OpenTelemetry trace ingestion.
Built for AI agentsACO · 812 tokens
Summary
TruLens is an open-source evaluation framework that helps developers objectively measure the quality and effectiveness of AI agents across metrics like groundedness, context relevance, coherence, and more. Originally created by TruEra and now shepherded by Snowflake, it supports agents, RAG, summarization, and co-pilots via a Python SDK and OpenTelemetry trace ingestion.
Tags
trulens · ai-evaluation · llm · observability · agentic-workflows · rag · opentelemetry
Key entities
TruLens (technology, 1) · Snowflake (organization, 0.98) · TruEra (organization, 0.95) · OpenTelemetry (technology, 0.92) · Retrieval Augmented Generation (concept, 0.9) · AI agent evaluation (concept, 0.93) · Groundedness (concept, 0.8) · Python SDK (technology, 0.85)
Classification
framework · language en · status final
Provenance
claude-opus-4-6 via @stacklist/mcp-server@2.0.0, confidence 0.85, 2 Jul 2026