OpenAI says it has found evidence that Chinese artificial intelligence start-up DeepSeek used the US company’s proprietary models to train its own open-source competitor, as concerns grow over a potential breach of intellectual property.

OpenAI told the Financial Times that it found evidence linking DeepSeek to the use of distillation — a common technique developers use to train AI models by extracting data from

OpenAI allegedly has evidence that China trained its industry-shaking DeepSeek with OpenAI's data, forcing the company to confront how it will prevent this moving forward.