A new analysis reports that DeepSeek's flagship V4 model struggled to match the performance of its domestic and U.S. competitors. The V4 Pro system was ranked second globally in open-source models, trailing behind Moonshot AI’s Kimi K2.6.

DeepSeek’s long-awaited flagship V4 model has fallen short of its domestic and US rivals, according to a new analysis, as the Chinese artificial intelligence firm struggles to replicate the market-shaking success of its earlier R1 release. The company’s most advanced system, V4 Pro, ranked second among the world’s leading open-source models, behind Beijing-based Moonshot AI’s Kimi K2.6, benchmark firm Artificial Analysis said in a report on Friday. While V4 Pro marked a clear improvement on its....