DeepSeek plans to implement a significant price increase across its AI services, an unusual shift from the disruptive Chinese player that has put pressure on US and domestic rivals.In a notice posted on Thursday, DeepSeek did not specify the exact increases, other than to call them substantial and urge users to plan accordingly. The Hangzhou-based company currently charges $0.14 per million input tokens and $0.28 per million output tokens — measures of work an AI model does to digest information...