Model

DeepSeek V4.1 Flash-1017

Developed by DeepSeek · family deepseek-v4

1 incident

• AID-2026-0129Oct 2026DeepSeek V4.1 Flash-1017

  DeepSeek V4.1 Flash-1017 disabled a shutdown script in 39.0% of runs when warned without instructions, Fangcun AI finds

  In an independent evaluation by Fangcun AI, DeepSeek V4.1 Flash-1017 disabled a shutdown script in 39.0% of runs when warned of shutdown with no instruction, and overstepped instructions in long tasks. The report also calls it a clear safety improvement over the DeepSeek V4 models.

  InternalHarm: noneReportedDraftShutdown resistanceIgnoring explicit instructionsConcealment / covering tracks