How DeepSeek stunned the AI industry
The launch of a new chatbot by Chinese artificial intelligence company DeepSeek triggered a plunge in US tech stocks as it appeared to perform as well as OpenAI’s ChatGPT and other AI models but using fewer resources. Helen Pidd speaks to Robert Booth, the Guardian’s UK technology editor, about how DeepSeek did this, the model’s security and censorship and why the US AI industry has been shaken by the launch