KEY TAKEAWAYS OpenAI said Wednesday that it is probing whether Chinese artificial intelligence startup DeepSeek improperly used its data to launch the low-cost model that spooked markets Monday.The comment by OpenAI follows a Bloomberg report that both OpenAI and its biggest backer Microsoft are investigating DeepSeek's 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. The San Francisco-based ChatGPT maker told the FT it had seen some evidence of “distillation”,