The revealing of DeepSeek’s V3 AI model, designed in a fraction of the cost of its U.S. counterparts, sparked fears that desire for Nvidia's high-stop GPUs could dwindle.Deepseek says it has been ready to do this cheaply - researchers guiding it claim it Expense $6m (£four.8m) to train, a fraction with the "over $100m" alluded to by OpenAI boss