What Is Generative AI? A Short Beginner’s Guide

Generative AI workflow, uses, and relationship with machine learning and deep learning

Generative Artificial Intelligence, or Generative AI, is a type of artificial intelligence designed to create new content.

Instead of only analysing information or making predictions, generative AI can produce text, images, audio, video, code, and other digital content.

Tools such as AI chatbots and image generators have made generative AI one of the most visible areas of artificial intelligence today.

What Is Generative AI?

Generative AI learns patterns from large amounts of data and uses those patterns to generate new outputs.

For example, a text-generation system can learn patterns in language and generate a response to a question, while an image-generation system can create an image from a written description.

The generated content is new, although it is produced using patterns the model learned during training.

Generative AI is part of the wider field of artificial intelligence and commonly relies on machine learning and deep learning techniques.

How Does Generative AI Work?

A simplified generative AI process can be understood as:

Data → Training → Model → Prompt → Output

First, a model is trained using large amounts of data. During training, it learns statistical patterns and relationships within that data.

After training, a user provides an instruction known as a prompt.

The model processes the prompt and generates an output based on patterns it has learned.

For example, a user might ask an AI chatbot to summarise a document, explain a concept, draft an email, or generate ideas.

Modern language-based generative AI systems often use Transformer architectures, which use attention mechanisms to process relationships between words and other elements of a sequence.

A Simple Generative AI Example

A useful way to understand Generative AI is through a simple task:

Prompt → AI Model → Generated Output → Human Review

For example, you could ask:

“Write a short professional email confirming a meeting tomorrow at 1 PM.”

The AI generates a draft based on your instructions. You can then review the wording, check the details, and make any necessary changes before using it.

This is why Generative AI is often most useful as an assistant rather than something whose output should always be accepted automatically.

What Can Generative AI Create?

Generative AI can produce many types of content, including:

  • Text and summaries
  • Images and illustrations
  • Computer code
  • Audio and speech
  • Video
  • Presentations and documents

Different generative AI models are designed for different kinds of information.

Large Language Models, or LLMs, are mainly associated with understanding and generating language, while other generative models may focus on images, audio, or video.

Common Uses of Generative AI

Generative AI is increasingly used for everyday and professional tasks.

It can help with writing and editing, brainstorming ideas, summarising information, answering questions, creating images, assisting with programming, preparing learning materials, and supporting customer-service chatbots.

Businesses are also exploring generative AI for productivity, software development, marketing, research, education, and knowledge management.

Generative AI and Deep Learning

Many modern generative AI systems are built using deep-learning technologies.

One important development was Generative Adversarial Networks (GANs), introduced by Goodfellow and colleagues in 2014. GANs use competing neural networks to learn how to generate realistic data.

Transformers later became especially important for language generation. Large-scale Transformer-based language models demonstrated that models could perform many language tasks through instructions and examples provided in text.

Benefits of Generative AI

Generative AI can help people work more efficiently by speeding up tasks such as drafting, summarising, researching ideas, and creating first versions of content.

It can also support creativity and learning by helping users explore different explanations, approaches, and ideas.

However, human judgement remains important when reviewing AI-generated results.

Limitations of Generative AI

Generative AI is powerful, but its output is not always correct.

Models may generate inaccurate information, misunderstand a prompt, produce biased content, or provide convincing answers containing errors. Large language models can also produce inconsistent or incorrect text.

Privacy, copyright, security, transparency, and responsible use are also important considerations.

For important decisions, AI-generated information should be checked against reliable sources.

How Can Beginners Start?

A simple way to begin is to experiment with practical tasks.

For example, you could ask a generative AI tool to explain a difficult topic, summarise your own notes, improve an email, brainstorm ideas, create study questions, or help structure a project.

Clear prompts usually produce more useful results.

It is equally important to review the output carefully rather than automatically accepting everything the AI generates.

Final Thoughts

Generative AI extends artificial intelligence from analysing information to creating new content.

Understanding how it works, what it can do, and where its limitations lie makes it easier to use these tools effectively and responsibly.

At AIWiseUp, we’ll continue explaining artificial intelligence and its technologies in practical and understandable terms.

Wise up to AI. Learn it. Use it. Grow with it.

References and Further Reading

Russell, S.J. and Norvig, P. (2021) Artificial Intelligence: A Modern Approach. 4th edn. Pearson.

Artificial Intelligence: A Modern Approach – Pearson

Goodfellow, I.J. et al. (2014) ‘Generative Adversarial Nets’, Advances in Neural Information Processing Systems, 27.

Generative Adversarial Nets – NeurIPS

Vaswani, A. et al. (2017) ‘Attention Is All You Need’, Advances in Neural Information Processing Systems, 30.

Attention Is All You Need – NeurIPS

Brown, T.B. et al. (2020) ‘Language Models are Few-Shot Learners’, Advances in Neural Information Processing Systems, 33.

Language Models are Few-Shot Learners – NeurIPS