LangWatch
Track prompt inputs, model outputs, and application-level behavior with LangWatch for transparent LLM application monitoring.
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LangWatch provides a real-time monitoring and logging layer for LLM applications. It captures prompt input/output, model usage, errors, and metadata, enabling teams to debug, audit, and improve their LLM-powered systems. With integrations for LangChain and OpenAI, it’s designed for observability without complexity.
This course helps you install LangWatch, connect it to your LLM workflow, and track the entire lifecycle of a prompt. You’ll learn to visualize outputs, measure latency, explore user interaction logs, and filter errors using LangWatch’s web UI.
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Understand LangWatch’s role in LLM observability
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Install and configure LangWatch for real-time monitoring
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Track prompt inputs, responses, errors, and latency
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Connect LangWatch with LangChain and OpenAI APIs
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Analyze user sessions and trace prompt interactions
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Use filters and search tools for prompt debugging
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Visualize prompt-response chains and error logs
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Set up LangWatch dashboards and retention rules
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Identify model drift and inconsistencies
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Build auditable, testable, and transparent AI workflows
Course Syllabus
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Introduction to LLM Monitoring and LangWatch
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What is LangWatch and Why It Matters
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Installing LangWatch and SDK Setup
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Logging Prompt Inputs, Outputs, and Metadata
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Connecting LangWatch to LangChain and OpenAI
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Working with Real-Time Monitoring Dashboards
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Debugging Prompt Chains and Failure Points
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Analyzing User Sessions and Interaction Logs
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Building Alerts and Searchable Logs
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Visualizing Model Behavior and Response Timing
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Ensuring Prompt Governance and Retention Policies
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Case Study: Monitoring a Chatbot in Production
Upon completion of this course, you will earn a Uplatz Certificate of Completion verifying your knowledge of real-time monitoring and debugging for LLM systems using LangWatch. This certification demonstrates your readiness to manage AI quality assurance, interpret logs, and ensure reliability in prompt-driven applications. It’s ideal for developers, product managers, QA teams, and AI operators tasked with maintaining transparency and stability in AI-powered tools.
LangWatch enables essential observability for AI systems used in production. As more companies deploy LLMs in sensitive environments like customer service, education, or research, the demand for professionals who can maintain traceability and quality grows.
Career options include:
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AI QA Engineer
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Prompt Monitoring Analyst
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LLM Observability Specialist
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AI Product Support Engineer
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NLP Debugging Consultant
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AI Logging and Reliability Engineer
With LangWatch, you'll gain the confidence to manage LLM apps in production and contribute to ethical, reliable, and high-performing AI operations.
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What is LangWatch?
LangWatch is a monitoring tool that tracks prompt inputs, outputs, and behavior in LLM applications. -
How does LangWatch improve LLM debugging?
It logs prompt/response pairs, errors, and metadata, helping developers trace and fix issues. -
Can LangWatch integrate with LangChain?
Yes, it supports integration with LangChain to monitor chains and agents in real time. -
What kind of data does LangWatch collect?
Prompt text, responses, token usage, latency, error types, and user interaction history. -
How does LangWatch differ from PromptLayer?
LangWatch emphasizes real-time monitoring and filtering, while PromptLayer focuses more on versioning and analysis. -
What is a session in LangWatch?
A session is a traceable record of multiple prompts and responses associated with a single user or task. -
How can LangWatch help QA teams?
It allows teams to test and trace AI behavior before and after deployment, ensuring output consistency. -
Does LangWatch support alerting?
Yes, LangWatch can flag failed prompts, long latencies, or abnormal usage patterns. -
What kind of models work with LangWatch?
Any LLM-based application using APIs like OpenAI, Anthropic, or custom models. -
Why is real-time logging important in AI applications?
It allows fast detection of issues, transparent user experiences, and continuous improvement.