Tool
LangSmith Observability
LangChain · langchain.com
The managed alternative, strongest if you already build on LangChain.
The question it answers
Read with it
- The leading open-source LLM observability platform: traces, costs, evals, and prompt management. langfuse.com Tool Langfuse Langfuse
- A jargon-free primer on what you should be recording and why. langfuse.com Article What is LLM Observability and Monitoring? Langfuse
- A follow-along tutorial that gets tracing live in your app quickly. towardsdatascience.com Guide LLM Monitoring and Observability: Hands-on with Langfuse Towards Data Science
- A current comparison so you choose once instead of migrating later. confident-ai.com Article Top 7 LLM Observability Tools Confident AI
- Explains traces, spans, and generations with the main tools side by side. langflow.org Article LLM Observability Explained (Langfuse, LangSmith, LangWatch) Langflow
- The operations chapter: daily habits of teams that keep LLM features healthy in production. oreilly.com Article What We Learned from a Year of Building with LLMs (Part II): Operations Eugene Yan, Hamel Husain, et al.
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