October 18, 2026
What is a Diffusion Model? Explained Simply
Diffusion models generate images by starting from pure noise and gradually refining it into a picture, guided by your text description.
Read more →Plain-English explanations of AI terms, from LLMs to diffusion models.
Diffusion models generate images by starting from pure noise and gradually refining it into a picture, guided by your text description.
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The transformer is the AI design behind ChatGPT and modern language models. Its ‘attention’ mechanism reads whole sentences at once, not word by word.
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Embeddings convert words and images into numbers that capture meaning, letting AI compare ideas — the hidden engine of search and recommendations.
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Fine-tuning gives an already-trained AI extra training on your examples, turning a generalist model into a specialist for your specific task.
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RAG connects AI to external documents and the web so its answers are fresh, accurate, and grounded in real sources instead of just memory.
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Prompt engineering is the skill of writing clear instructions that guide AI to better answers. Learn the simple techniques anyone can use.
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A large language model (LLM) is AI trained on massive text to understand and generate human language — the tech behind ChatGPT, Claude, and Gemini.
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