TruLens

Looking for a tool like TruLens (Open-source evaluation and tracking for LLM experiments)? Below are 5 AI tools people use as an alternative to TruLens, ranked by leaderboard position. Each one is approved by our editors and worth comparing before you decide.

Ragas

Open-source evaluation framework for RAG pipelines

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Promptfoo

Open-source CLI for testing and red-teaming LLM prompts

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Arize Phoenix

Open-source tracing and evaluation for LLM apps

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Langfuse

Open-source LLM observability and tracing

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DeepEval

Pytest-style open-source framework for testing LLM apps

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