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Nvidia, chip stocks plummet amid market sell-off as DeepSeek prompts questions over AI spending

Yahoo Finance
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Chinese startup DeepSeek released a new AI model on Jan. 20 viewed as a threat to OpenAI 's GPT model.

Announcement spurred fears that AI models may begin to require fewer chips and energy than they currently use.

Tightened US export restrictions announced in former president Joe Biden's final days in office could also add a threat.