The European Union AI Act, enforceable in August 2026, mandates that AI outputs must be detectable as artificially generated through watermarking. LLM providers will need to implement a hidden signature to identify AI-generated content to comply with this requirement.

OpenAI developed a new text-generation model, GPT-2, capable of producing coherent and versatile prose from prompts. Due to safety and security concerns, OpenAI has opted not to release the full algorithm, instead providing a smaller version and withholding data sets and training codes.