Tech Term Decoded: Model

Definition

An AI model is a program that has been trained on a set of data to detect patterns or make certain decisions autonomously with no human input. Artificial intelligence models employ various algorithms to data inputs to complete the tasks, or produce results they’ve been programmed for [1]. AI models can be used for a number of tasks such as image and video recognition, natural language processing (NLP), anomaly detection, recommender systems, predictive modeling and forecasting, and robotics and control systems.

For example, lets imagine a scenario where you're teaching a child to identify music styles. You might play them Afrobeats songs by Burna Boy, Highlife music by Flavour, Fuji by Wasiu Ayinde, Juju by King Sunny Ade, and Hip-hop by Olamide, explaining the distinctive drum patterns, instruments, and rhythms of each genre. Over time, the child will learn to classify these music types on their own, even when hearing new artists and songs released in genres they've never listened to before. An AI model works in a similar way.

AI Model

An AI Model [2].

Origin

AI models originated in  the mid-20th century when early Computer Scientists started making research on machines that could mimic human intelligence. Though progress was slow at the early stage, but in recent decades with the advancements in computing power and the availability of massive datasets, AI models were propelled into the forefront of technological innovation, making them central to today’s transformative applications [3].

Context and Usage

The use cases of AI models are many and always growing, affecting different aspects of our lives. Some of them are as follows:

  • Fraud detection: With AI models, fraudulent financial transactions can be detected and cybercrime prevented by scrutinizing large amounts of data in real-time.
  • Predictive maintenance: AI models can prevent costly downtime by predicting equipment failure in factories or power grids based on analysis of sensor data.
  • Recommender systems: AI models are behind online and store personalized recommendations systems that recommend movies that might interest you or products you might need.
  • Image and video identification: AI models can unlock your phone with your face and enable self-driving cars navigate the streets using image and video recognition.
  • Natural language processing (NLP): Chatbots answering questions, machine translation breaking  language barriers, and social media sentiment analysis all rely on AI models.    
Why it Matters

AI-driven automation can handle routine tasks such as updating client records, processing orders, or monitoring inventory giving employees and team members more time to focus on higher-value activities. All these are achieved eliminating human errors proving AI models are more reliable.

Also considering data analysis capabilities enable businesses identify trends and anticipate customer needs, AI models have the ability to search through data looking for nuggets of information on an unprecedented level. This enables businesses to understand their individual customers better and personalize their offerings accordingly [4].

Related AI Models and Architectures

  • Latent Space: Abstract mathematical space where AI models represent data in compressed, meaningful dimensions
  • Mixture of Experts: Architecture that uses multiple specialized sub-models coordinated by a gating network
  • Neural Network: Computing system inspired by biological neural networks that learns patterns from data
  • Neural Radiance Fields (NeRF): AI technique for creating photorealistic 3D scenes from 2D images
  • RoBERTa: Robustly Optimized BERT Pretraining Approach, an improved transformer language model

In Practice

A real-life case study of a model in action can be seen in the case of MuseNet. Created by OpenAI, the same company that made ChatGPT, MuseNet is an AI model for music. Using deep neural networks, MuseNet is a browser-based AI music generator that can compose music using ten different instruments. With MuseNet, businesses can quickly create background music for videos, craft tunes to accompany slogans and ads, and mimic the style of popular composers [5].

References

  1. IBM. (2025). What is an AI model?
  2. Takyar, A. (2025). How to choose the right AI model for your application?
  3. Gomez, V. (2025). In technology, What is an AI Model?
  4. Salesforce. (2025). What is an AI Model?
  5. Domo. (2024). AI Models: Types, Examples, and Everything You Need to Know 

Kelechi Egegbara

Kelechi Egegbara is a Computer Science lecturer with over 12 years of experience, an award winning Academic Adviser, Member of Computer Professionals of Nigeria and the founder of Kelegan.com. With a background in tech education, he has dedicated the later years of his career to making technology education accessible to everyone by publishing papers that explores how emerging technologies transform various sectors like education, healthcare, economy, agriculture, governance, environment, photography, etc. Beyond tech, he is passionate about documentaries, sports, and storytelling - interests that help him create engaging technical content. You can connect with him at kegegbara@fpno.edu.ng to explore the exciting world of technology together.

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