Durable Execution

• Key points are in the visual diagram above.

Understanding Durable Execution helps you build reliable, scalable agent applications instead of fragile demos.

Think of Durable Execution as a specialized capability in your Agent Runtime & Production engineering toolkit.

Scenario

A production team in Agent Runtime & Production uses Durable Execution to handle a real user request — reducing manual work and improving response quality with proper validation and logging.

Solution

In Agent Runtime & Production, apply Durable Execution to this scenario: A production team in Agent Runtime & Production uses Durable Execution 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.

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 Durable Execution (e.g. model, temperature, top_k, or tool name), observe the difference in output, and write 2–3 sentences explaining what changed.

Highlighted lines show where Durable Execution happens in the code.

1# Durable Execution — 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 Durable Execution8    model="gpt-4o-mini",9    messages=[10        {"role": "system", "content": "You explain durable execution clearly."},11        {"role": "user", "content": f"What is durable execution?"},12    ],13    temperature=0,14)15print(response.choices[0].message.content)  # show output for debugging

• Skipping evaluation for Durable Execution before production
• No logging or tracing around durable execution steps
• Ignoring cost and latency implications

Quick recap — the most important points from this module.