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Full evaluationGlossary · Updated Sep 2, 2026
Diffusion model
A generative model that creates images, audio, or video by learning to reverse a gradual noising process.
Definition
Diffusion models are trained to remove noise from corrupted data step by step; at generation time they start from noise and iteratively refine it into an output guided by a prompt. They power most image generators and many video and audio tools. Variants trade off speed and quality through fewer denoising steps and distillation.
Why it matters when choosing a tool
Knowing a tool is diffusion-based explains behaviours such as seed-based variation, guidance strength settings, and inpainting capabilities.
Where you will meet it
AI Image & Design, AI Video Generation, AI Music Generation
Related terms
Text-to-image · Inpainting and outpainting · LoRA (low-rank adaptation)
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