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As large language models move deeper into production systems, “LLM observability” has become essential for reliability, trust, and performance. It’s no longer enough to monitor uptime or latency — teams now need to understand how models behave across real-world sessions, prompts, and tool calls. Why Observability Matters Now Modern LLMs are highly dynamic: their outputs vary between runs, they chain multiple steps, call tools, and can incur unpredictable latency or costs. Without deep observability, teams struggle to detect regressions, drift, or inefficiencies in production. Core Best Practices In this video, we break down key principles for setting up complete observability across your LLM pipelines: Instrumentation with semantic richness — capture sessions, spans, traces, generations, retrievals, and tool calls. Full request and response capture — record all inputs, outputs, parameters, and intermediate steps. Continuous monitoring — track token usage, latency, throughput, and evaluation metrics in real time. Automated and human evaluation — integrate both scoring systems and human review workflows. Real-time alerts and reporting — define thresholds for quality, cost, and latency, with alert integrations. Data export and analysis — enable exports to CSV, analytics platforms, or warehouses for deeper insights. Security and scalability — apply RBAC, regional data residency, and enterprise-grade privacy controls. Platform Comparison and Tool Landscape Platforms like Maxim AI (https://www.getmaxim.ai/) make it easy to implement these best practices end to end, combining instrumentation, evaluation, and real-time monitoring in one workflow. Other observability tools like LangSmith (https://www.langchain.com/langsmith) and Langfuse (https://www.langfuse.com/) also play key roles for teams building evaluation pipelines and traces, especially within LangChain ecosystems. How to Apply These Practices Start instrumentation early in development. Define structured metadata and tags for every trace. Create dashboards that reflect business and model quality, not just latency. Set alerts on critical metrics, and add human review for high-impact or edge cases. Ensure logs and traces flow into your analytics or data pipelines for long-term insights. Conclusion LLM observability is now the backbone of reliable AI systems. It helps you control costs, maintain trust, and ensure quality at scale. By following these practices and using the right tools, teams can turn AI observability into a competitive advantage.