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What is an AI model?
An AI model is a computer program that learned patterns from examples and uses them to make predictions or create things.
- Category Models
- Also called AI models
- Updated 20 Oct 2026
AI model, explained simply
Think of an AI model as a trained brain saved in a file. Before training it knows nothing. After training it can spot patterns.
Different models do different jobs. Some write text, some make pictures, and some turn speech into words.
A photo app that finds your dog in pictures uses a small AI model. A chatbot uses a much bigger one.
On ITG Now, our AI models page compares models side by side, including which ones are open and which are closed.
Related terms
LLMMachine learningTrainingModel weightsNeural network
Where you'll see it on ITG Now
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Questions people ask about AI model
What is the difference between an AI model and an AI app?
The model is the trained engine. The app is the screen and buttons you use to talk to it.
Can I run an AI model on my own computer?
Often yes. Many free models run on a laptop, though bigger ones need a strong graphics card.