DeepSeek announced on Thursday a “significant” price hike, amid surging global demand for a new ultra-cheap model, which sparked debate over how the Chinese AI start-up has delivered powerful performance at rock-bottom prices.DeepSeek would raise overall pricing for its application programming interface (API) services “in the near future”, with specific plans to be advised later, the Hangzhou-based company said in a statement on its developer platform on Thursday.A “significant increase” was...