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Udemy

LLM Observability and Cost Management: Langfuse, Monitoring

via Udemy

Overview

Production-Ready LLM Monitoring with Langfuse, Cost Optimization, Tracing, Alerting & Real-World Debugging Patterns

What you'll learn:
  • Implement production-grade LLM observability using Langfuse and understand tracing concepts
  • Reduce LLM API costs by 50-80% using semantic caching, model routing, and prompt optimization
  • Debug LLM applications in minutes using traces, spans, and proper instrumentation patterns
  • Set up cost alerts and monitoring dashboards that catch budget issues before they escalate
  • Build production-ready code patterns for token tracking, cost calculation, and PII redaction

Are you spending too much on LLM API costs? Do you struggle to debug production AI applications?

This course teaches you how to implement professional-grade observability for your LLM applications — and cut your AI costs by 50-80% in the process.


The Problem:

- A single runaway prompt can cost $10,000 in an afternoon

- Token usage spikes 300% and no one knows why

- Users complain about slow responses, but you can't identify the bottleneck

- Your RAG pipeline retrieves garbage, and the LLM hallucinates confidently


The Solution:

This course gives you the tools, patterns, and code to monitor, debug, and optimize every LLM call in your stack.


What You'll Build:

- Production-ready observability pipelines with Langfuse

- Semantic caching systems that reduce costs by 30-50%

- Smart model routing that automatically selects the cheapest model for each task

- Alert systems that catch cost spikes before they become budget crises

- Debug workflows that identify issues in minutes, not hours


What Makes This Course Different:

1. Cost-First Approach — We lead with ROI, not just monitoring theory

2. Vendor-Neutral — Compare Langfuse, LangSmith, Arize, Helicone objectively

3. Production-Grade — Skip the basics, dive into real-world patterns

4. Hands-On Code — Every concept includes working Python code you can deploy today


Course Structure:

- Module 1: The Business Case — Why Observability = Money

- Module 2: Understanding LLM Costs — Where Your Money Goes

- Module 3: Observability Platform Selection — Choosing the Right Tool

- Module 4: Instrumenting Your LLM Application — Hands-On Implementation

- Module 5: Cost Optimization Strategies That Work — Caching, Routing, Prompts

- Module 6: Monitoring, Alerting & Debugging — Production Operations

- Module 7: Production Patterns & Security — Enterprise-Ready Implementation


Real Results:

Teams implementing these patterns typically see:

- 50-80% reduction in LLM API costs

- 80% faster debugging with proper tracing

- ROI of 7-30x on observability investment


Who This Course Is For:

- ML Engineers & AI Engineers running LLMs in production

- Backend developers building LLM-powered features

- Tech leads responsible for AI infrastructure costs

- Anyone paying for OpenAI, Anthropic, or other LLM APIs


Prerequisites:

- Basic Python programming experience

- Familiarity with LLM APIs (OpenAI, Anthropic, etc.)

- No prior observability experience required

Stop flying blind with your LLM applications. Start monitoring, optimizing, and saving money today.


Enroll now and take control of your AI costs.

Taught by

Paulo Dichone | Software Engineer, AWS Cloud Practitioner & Instructor

Reviews

4.6 rating at Udemy based on 17 ratings

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