The B.AI platform fully launches the official version of DeepSeek V4

B.AI platform officially announces 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 has comprehensively enhanced Agent collaboration, code generation, and multi-tool invocation capabilities through specialized post-training while maintaining the original efficient architecture and model scale, resulting in significant improvements in execution efficiency and task completion; V4-Pro-0813 has shown significant improvements in test scores such as DeepSWE and CyberGym, further consolidating its leading advantage in complex engineering and agent tasks.

Both models retain the original model ID and calling interface, allowing developers to switch seamlessly without any configuration changes, maintaining consistent compatibility and stability. Starting today, the new capabilities are fully open for experience, and you are welcome to log in to the B.AI platform to use them immediately.