Encyclopedia Britannica has filed a lawsuit against OpenAI, alleging that the AI company infringed its copyright and trademark by using Britannica's protected content to train its models and by presenting verbatim excerpts in ChatGPT responses. The complaint also accuses OpenAI of attributing fabricated or "hallucinated" content to Britannica. OpenAI responded that its models are trained on publicly available data and operate under fair use. The case adds to a growing series of legal challenges faced by AI developers over the use of copyrighted material. Read more →