At its highest capacity, DeepSeek’s V4 ‘redefines the state-of-the-art for open models’. Chinese AI darling DeepSeek has launched its long awaited V4 large language model (LLM) in preview, as speculation around a possible first funding round swirls. The latest open source launch comes more than a year after the start-up released R1, whose cost effectiveness and performance sent Silicon Valley leaders in a flurry, igniting accusations of theft. R1 was trained using lower-capacity Nvidia chips. The V4 series comes in two versions, a “Pro” with 49bn activated parameters and a “Flash” version with 13bn activated parameters, both supporting a context…