**[B.AI Platform Fully Launches DeepSeek V4 Official Version]** According to DeepFlow Tech News, on August 13, the B.AI platform officially announced that the DeepSeek V4 series Web Chat and API have been fully upgraded to the latest official version, covering two major versions: V4-Flash-0731 and V4-Pro-0813. Among them, V4-Flash-0731, while maintaining the original efficient architecture and model scale, has undergone specialized post-training to comprehensively enhance Agent collaboration, code generation, and multi-tool invocation capabilities, significantly improving execution efficiency and task completion rates. V4-Pro-0813, on the other hand, has achieved notable improvements in test results such as DeepSWE and CyberGym, further solidifying its leading edge in complex engineering and intelligent agent tasks. Both models retain their original model IDs and invocation interfaces, allowing developers to seamlessly switch without any configuration changes, continuing the platform's consistent compatibility and stability. Starting today, the upgraded capabilities are fully open for experience. You are welcome to log in to the B.AI platform and start using them immediately.