David Sacks says OpenAI has evidence that Chinese company DeepSeek used a technique called "distillation" to build a rival model.

OpenAI is investigating whether Chinese artificial-intelligence startup DeepSeek trained its new chatbot by repeatedly querying the U.S. company’s AI models.

After DeepSeek AI shocked the world and tanked the market, OpenAI says it has evidence that ChatGPT distillation was used to train the model.

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 has accused Chinese AI start-up DeepSeek of using its proprietary models to train an open-source competitor.

"I don't think OpenAI is very happy about this," said the White House's AI czar, who suggested that DeepSeek used a technique called distillation.