What is Generative AI? – A Practical Guide to Gen AI 

28.04.2025

Generative AI is an advanced artificial intelligence technology that can generate original and meaningful content based on various types of input data. While traditional AI systems are used mainly for classification, prediction, or analysis tasks, generative AI stands out by its ability to create new data from scratch. This technology can produce text, images, audio, code, and even video using natural language processing (NLP) and deep learning techniques to deliver human-like outcomes. Tools such as ChatGPT, DALL·E, and GitHub Copilot are among the most well-known examples of generative AI in today’s tech landscape. 

In the business world, generative AI plays a strategic role across content creation, customer experience, decision support, and automation processes. Corporate software providers like SAP are integrating generative AI technologies under their SAP Gen AI umbrella into ERP, CRM, and HR systems—aiming to boost operational efficiency, cut costs, and accelerate decision-making. Today, generative AI is not just a technological innovation but a competitive asset at the heart of digital transformation strategies. 

Types of Generative AI 

Generative AI can be categorized by the type of content it creates. Text-generating models (such as ChatGPT or Google Bard) are also known as large language models and can write in natural, human-like language. Image-generating models like DALL·E or Midjourney can create imaginative and original visuals. Similarly, sound and music-generating models (e.g., OpenAI Jukebox) can compose unheard melodies, while video models generate short clips or animations. Coding AIs such as GitHub Copilot assist developers by writing functional programming code. 

Here’s a table summarizing major types and brief explanations: 

Type 

Description 

Generative Adversarial Networks (GANs) 

Competing neural networks (generator and discriminator) produce realistic synthetic data 

Variational Autoencoders (VAEs) 

Encode data into a latent space and decode it back to generate new samples 

Autoregressive Models 

Predict probability distributions by generating data one element at a time 

Recurrent Neural Networks (RNNs) 

Handle sequential data, predict the next element using variants like LSTM and GRU 

Transformer-Based Models 

Use attention mechanisms to model sequences and generate long-form text 

Reinforcement Learning for Generative Tasks 

Learn to generate data via environment interactions and reward signals 

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Where is Generative AI Used? 

Generative AI is transforming industries from healthcare to finance by making processes smarter, cutting costs, and enabling innovation. 

1. Art & Design 

AI tools assist artists and designers by producing visuals from concept sketches, enabling rapid prototyping in fields like architecture and fashion. This allows creatives to focus on originality while AI handles routine tasks. 

2. Media & Entertainment 

In media, AI helps in scriptwriting, character creation, and game development. In music, AI can suggest melodies or even generate entire compositions. 

3. Education 

Educational platforms use AI to tailor content to individual learning styles, creating dynamic materials and quizzes. Teachers benefit by automating routine prep work. 

4. Healthcare 

AI supports drug discovery by analyzing chemical compounds and suggesting promising designs. It also generates synthetic medical images for training or summarizes patient data for faster diagnosis. 

5. Marketing & Content Creation 

Marketing teams use AI to draft copy, generate blog posts, and create visual ads tailored to target audiences—speeding up workflows and boosting creativity. 

6. Customer Service 

AI chatbots can respond instantly to queries, improving customer satisfaction while reducing the burden on human agents. 

How Does Generative AI Work? 

Generative AI operates through complex models based on deep learning and neural networks. Trained on massive datasets (text, images, audio), the model learns statistical patterns. When prompted, it uses this knowledge to generate new content—like completing a paragraph or designing an image based on a sketch. It creatively blends past learning to produce human-like results. 

Benefits of Generative AI 

  • Ability to create novel content 
  • Increased efficiency and time savings 
  • Personalized user experiences 
  • Uncovering insights from big data 
  • Boosts creative processes 
  • Automates repetitive tasks 

Integrating Generative AI into the Enterprise 

Successful enterprise integration of generative AI involves identifying high-impact areas (e.g., automating support or content generation), analyzing data/processes, and selecting or fine-tuning appropriate models. Platforms like SAP Gen AI simplify secure and scalable implementation. Key points: 

  • Automates business workflows like report generation 
  • Enhances decision-making through real-time data analysis 
  • Personalizes customer interactions 
  • Stimulates innovation and product ideation 

While upfront costs may be high, long-term efficiency gains justify the investment. 

How is Generative AI Used in Different Sectors? 

1. Healthcare 

AI helps design drug molecules and summarize medical records, accelerating research and diagnosis. 

2. Education 

AI tailors materials to student levels, auto-grades tests, and optimizes lesson planning. 

3. Finance 

AI analyzes financial markets, generates readable summaries, and enhances customer interactions through smart assistants. 

4. Manufacturing & Engineering 

AI-driven design produces lightweight, durable parts and predicts maintenance needs through data analysis. 

5. Marketing & Retail 

AI writes product descriptions and crafts personalized campaigns, scaling outreach and boosting engagement. 

6. Customer Service 

Smart AI bots answer FAQs and assist with forms 24/7, offering seamless support experiences. 

Examples of Generative AI 

Category 

Example 

Description 

Use Cases 

Text 

ChatGPT 

Generates responses, articles, and emails 

Customer service, content creation 

Text 

GPT-4 

Accepts text and image inputs; multimodal capabilities 

Product descriptions, complex tasks 

Image 

DALL-E 

Creates visuals from text prompts 

Art, marketing, design 

Image 

Stable Diffusion 

Open-source, used for high-quality visual creation 

AI art, content generation 

Image 

Midjourney 

Artistic image generation from text 

Illustration, creative projects 

Code 

GitHub Copilot 

Suggests code while programming 

Software development, automation 

Code 

OpenAI Codex 

Converts natural language to code 

Coding education, automation 

Music 

MusicLM 

Composes music from text prompts 

Music projects, entertainment 

Video 

Sora 

Creates short videos from prompts 

Film, advertising 

3D Modeling 

AI-CAD Tools 

Builds 3D models from sketches or descriptions 

Architecture, design, product dev. 

SAP-Specific Generative AI Examples 

Example 

Description 

Use Cases 

Joule 

SAP’s AI assistant for tasks like reporting and analysis 

Finance, analytics, HR 

SAP AI Core 

Custom model development and business process adaptation 

AI development, customization 

Analytics/Planning 

Scenario modeling, custom content, data modeling 

Strategic planning, data prep 

Functional Uses 

Job descriptions, sales reporting, travel policies, etc. 

HR, sales, logistics, compliance 

SAP’s AI tools prioritize security, compliance, ethics, and reliability. Joule, for example, integrates deeply with SAP systems and offers contextual awareness. 

Discover: SAP Generative AI Solutions

Generative AI Model Types 

Type 

Examples 

Description 

Text 

GPT-3, GPT-4, LaMDA, LLaMA, BLOOM, Gemini 

NLP, content creation, translation 

Code 

OpenAI Codex, GitHub Copilot, Tabnine 

Coding automation, dev support 

Image 

DALL-E, Midjourney, Stable Diffusion 

Text-to-image generation 

Audio 

15.ai, ElevenLabs, MusicLM, MusicGen 

Text-to-speech, music generation 

Video 

Sora, Runway, Make-A-Video 

Text-to-video creation 

Action 

UniPi, Google RT-2 

Robotics, perception-language-action models 

3D Modeling 

AI-CAD Tools 

3D model creation, design automation 

Models can be unimodal (e.g., only text) or multimodal (text and image). GPT-4, for instance, processes both input types. 

What is SAP Generative AI? 

SAP Generative AI (SAP Gen AI) refers to SAP’s strategy of embedding generative AI into enterprise applications. By integrating large language models and related technologies into ERP, CRM, and HR systems, SAP provides intelligent, context-aware tools such as Joule. This AI assistant processes natural language queries and delivers smart responses from various data sources—enhancing efficiency and decision-making across departments. 

How Does SAP Generative AI Add Value? 

SAP Gen AI improves efficiency and speeds up decision-making. For example, finance teams can request reports using plain language, and HR teams can automate documents like job postings. In sales and supply chains, it provides predictive insights for better strategic planning. 

Key benefits include: 

  • Modeling future scenarios and accelerating content creation 
  • Offering personalized interactions and automated responses 
  • Helping developers build AI-powered solutions 
  • Automating repetitive tasks to boost productivity 

Discover: SAP Consulting