Evaluation
5 AI tools
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AI tools5
Arize Phoenix
Free, self-hosted LLM tracing and evaluation
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Klu
Benchmarks built from your own workflow to pick the right AI model
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Langfuse
Open-source LLM observability, tracing and evals
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LangSmith
LangChain's platform for tracing, evaluating and deploying agents
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Vellum
Open-source personal AI assistant with memory, from the former LLMOps platform
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