Agentic AI Notebook
Phase 27

Model Serving

~2 min read

Concept & How It Works

  • Key points are in the visual diagram above.

Why Does It Exist?

Understanding Model Serving helps you build reliable, scalable agent applications instead of fragile demos.

Real-World Analogy

Think of Model Serving as a specialized capability in your Model Engineering (Awareness) engineering toolkit.
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Visual Workflows

What is Model Serving?

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Example

Scenario

A production team in Model Engineering (Awareness) uses Model Serving to handle a real user request — reducing manual work and improving response quality with proper validation and logging.

Solution

In Model Engineering (Awareness), apply Model Serving to this scenario: A production team in Model Engineering (Awareness) uses Model Serving to handle a real user request — reducing manual work and improving response quality with proper validation and logging. Identify the inputs, run the technique, validate the output, and note one thing you would monitor in production.

Practice Task

Do this before moving to the next module — reading alone is not enough.

Open the Code Walkthrough below and run it locally. Change one parameter related to Model Serving (e.g. model, temperature, top_k, or tool name), observe the difference in output, and write 2–3 sentences explaining what changed.

Code Walkthrough

Highlighted lines show where Model Serving happens in the code.

Model Serving
1# Model Serving — minimal example2from openai import OpenAI3
4client = OpenAI()  # create API client5
6# Ask the model to explain this topic7response = client.chat.completions.create(  # core API call for Model Serving8    model="gpt-4o-mini",9    messages=[10        {"role": "system", "content": "You explain model serving clearly."},11        {"role": "user", "content": f"What is model serving?"},12    ],13    temperature=0,14)15print(response.choices[0].message.content)  # show output for debugging

Commands to Remember

Commands to Remember

  • pip install peft transformers # LoRA / QLoRA fine-tuning
  • pip install bitsandbytes # quantized training

Common Mistakes

  • Skipping evaluation for Model Serving before production
  • No logging or tracing around model serving steps
  • Ignoring cost and latency implications

Cheat Sheet

Quick recap — the most important points from this module.

Cheat Sheet

quick ref
  • Model Serving
  • Model Engineering (Awareness)