thumb|upright=1.2|A video deepfake of Kim Jong Un created in 2020 by a nonpartisan advocacy group [[RepresentUs]]
A deepfake is a synthetic media file—typically a video or audio—created using artificial intelligence to convincingly imitate a real person, such as the 2020 example of Kim Jong Un made by the advocacy group RepresentUs. It matters because deepfakes can spread misinformation by making it appear that people said or did things they never actually did.
AI-generated from the Wikipedia summary — may contain errors.
thumb|upright=1.2|A video deepfake of Kim Jong Un created in 2020 by a nonpartisan advocacy group [[RepresentUs]]
Deepfakes (a portmanteau of and ) are images, videos, or audio that have been edited or generated using artificial intelligence, AI-based tools or audio-video editing software. They may depict real or fictional people and are considered a form of synthetic media, that is media that is usually created by artificial intelligence systems by combining various media elements into a new media artifact.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).