---
auto_validation: true
time: 10
author_name: Daniel Wroblewski
author_profile: https://github.com/thecodester
tags: [ tutorial>beginner, topic>cloud ]
primary_tag: topic>cloud
parser: v2
slug: devtoberfest2026-ai-week3-validation
canonical_url: https://developers.sap.com/tutorials/devtoberfest2026-ai-week3-validation
---
  
# 🟣 Devtoberfest 2026 - Week 3 - AI - Validation

<!-- description --> This is the validation tutorial so you can get Devtoberfest points for watching the AI sessions for week 3.
 
## You will learn

- A lot about technology – and yourself – during Devtoberfest

## Intro
 
This tutorial is part of our yearly and wonderful **Devtoberfest**, a month-long event filled with learning, fun, challenges, and prizes -- for developers by developers. 

![Devtoberfest](https://raw.githubusercontent.com/sap-tutorials/developer-advocates/main/tutorials/devtoberfest2026-ai-week3-validation/devtoberfest.jpg) 

For more info on Devtoberfest, see our [Devtoberfest page](https://developers.sap.com/devtoberfest).

This tutorial will be updated at the end of this day. 


### Question 1 - 🟣 Token Efficiency – Your Guide To Smart AI Development

<div>&nbsp;</div><iframe width="560" height="315" src="https://www.youtube.com/embed/238nMtOUZWY" frameborder="0" allowfullscreen></iframe>

### Question 2 - 🟣 Building Agentic Workflows with n8n in Joule Studio

<div>&nbsp;</div><iframe width="560" height="315" src="https://www.youtube.com/embed/7p9FE6STfWA" frameborder="0" allowfullscreen></iframe>

### Question 3 - 🟣 n8n from the Ground Up

<div>&nbsp;</div><iframe width="560" height="315" src="https://www.youtube.com/embed/ZMZToRk0SYw" frameborder="0" allowfullscreen></iframe>

### Question 4 - 🟣 How SAP Customers Are Adopting n8n

<div>&nbsp;</div><iframe width="560" height="315" src="https://www.youtube.com/embed/FkgMKdLHjWc" frameborder="0" allowfullscreen></iframe>

### Question 5 - 🟣 How We Make Tabular Predictions in 2026 with TabPFN

<div>&nbsp;</div><iframe width="560" height="315" src="https://www.youtube.com/embed/qEQkOA3ogLk" frameborder="0" allowfullscreen></iframe>