AI (artificial intelligence) is software that performs tasks we associate with human intelligence — understanding language, recognising images, making predictions and generating content. Today’s most visible AI is generative AI, like ChatGPT, which produces text, images and more from a prompt.

What is AI, simply put?

AI is a broad field of computer science focused on building systems that can do things that normally require human intelligence: understanding and producing language, recognising patterns, making decisions and learning from data. Most modern AI is built on machine learning, where a system learns patterns from large amounts of data rather than being programmed with explicit rules.

How does today’s AI work?

The AI most people use in 2026 — chatbots like ChatGPT, Gemini and Claude — is powered by large language models (LLMs). These are trained on huge amounts of text to predict the most likely next words, which lets them answer questions, write and summarise. Other models generate images, audio and video. They are powerful pattern-matchers, not conscious or truly ‘thinking’ systems.

What can AI do — and not do?

AI can draft text, generate images, write code, answer questions and automate repetitive tasks remarkably well. But it has real limits: it can fabricate facts (a ‘hallucination’), reflect biases in its training data, and it does not truly understand the world. AI can fabricate facts, figures and citations with total confidence (a “hallucination”). Treat AI output as a draft and verify anything important against a reliable source — this matters most for medical, legal, financial and academic use. Treat it as a capable assistant, not an authority.

If you find yourself juggling a separate subscription for chat, automation, transcription and image generation, one option worth knowing is a single platform that runs them together — osFoundry is one such agentic AI platform that consolidates chat, agents and internal apps in one workspace, with a bring-your-own-key model so you choose the underlying AI.

This article is general information, not professional, legal or financial advice. AI tools, prices and availability change fast — verify current details on the official source before you rely on them.