For weeks now, the global tech industry has been waiting for a major artificial intelligence launch from DeepSeek, seen as a benchmark for China's progress in the fast-moving field.

More than a year has passed since the startup put Chinese AI on the map in early 2025 with a low-cost chatbot that performed at a similar level to U.S. rivals.

But despite reports and rumours about its imminent release, DeepSeek's next-generation "V4" model is nowhere in sight.