Verified65% confidenceFactExact time
Langfuse 是专为 LLM 应用设计的开源可观测性平台，能追踪模型调用的输入输出、Token 消耗、延迟和工具调用路径，并支持 Prompt 版本 A/B 评估
3
Sources
65%
Confidence
Medium-term (~90 days)
Relevance
7/23/2026
First Seen
Valid until: 10/21/2026
Sources
Related Claims
UnverifiedLangSmith is LangChain's observability platform custom-built for LLM applications, capable of recording LLM call inputs and outputs, token consumption, latency distribution, and tool call sequences.85% similarUnverifiedLangfuse can track the input and output, token consumption, latency, and tool call paths of each model invocation, and supports A/B evaluation of Prompt versions.84% similarUnverifiedLangfuse is an open-source LLM observability platform that supports a broader range of frameworks and self-hosted deployment, making it more friendly to enterprises sensitive about data privacy83% similarVerifiedLangSmith is an observability platform for debugging, testing, evaluating, and monitoring LLM applications.79% similar
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