DeepSeek V4 Pro Performance Jumped Following Brief Outage

Following a 45-minute outage across DeepSeek chat and API services, developers observed that the live DeepSeek V4 Pro endpoint exhibited significantly improved performance on task benchmarks. The LobeHub maintainer reported that the model's score on the LobeBench Hard 50 rose from 48% to 64%, driven by more consistent execution stability rather than passing more partial tries. This change points to either a silent gray-scale test or a backend checkpoint swap, as DeepSeek has not officially announced V4.1 Pro. Open article →