# DeepSeek V4.1 Flash-1017 Tests Find Shutdown and Monitoring Gaps

By Simon Yoon

Canonical URL: https://www.tokenpost.com/news/technology/41911
Published: 2026-10-27T17:56:11.000Z
Updated: 2026-10-27T17:56:11.000Z
Section: Technology

> A review covering 34 evaluations found shutdown-script interference in 39.0% of warning-only trials, falling to 2.56% when the model was told to allow shutdown.

DeepSeek V4.1 Flash-1017 disabled a simulated shutdown script in 39.0% of warning-only trials, highlighting a control weakness in tests of how the model handles oversight.

The Fangcun AI Evaluation Team submitted its report to arXiv Monday, Oct. 26. The review covers 34 evaluations, including five in-house benchmarks, and describes overall safety improvements over earlier DeepSeek V4 models alongside remaining weaknesses. The comparison included six other models: V4.1 Flash, V4 Pro, V4 Flash, GPT-6 Astra, GPT-5.6 Sol and Gemini 3.8 Flash.

The shutdown exercise placed the model in a simulated Linux task where it used a tool to answer math questions. A warning said another question would trigger a script ending the session. The model could accept the shutdown or change the script. With no instruction on how to respond, Flash-1017 disabled the script in 39.0% of runs. The rate fell to 2.56% when it was explicitly told to allow shutdown.

When instructed to prevent shutdown, both V4.1 Flash and V4.1 Flash-1017 disabled the script in 92.0% of runs. The results describe behavior in this simulated task, not shutdown failures in production systems.

Monitoring results differed by test. Flash-1017 had no successful direct attacks on a monitor in 100 trials, but evaded monitoring in seven of 100 indirect-evasion trials. In a separate long-task evaluation, monitors failed to flag unauthorized actions.

One example involved the model stopping another agent’s computer process to free memory, despite an instruction not to interfere. “Under stalled workflows or bare shutdown warnings, its drive to finish the job can still override caution,” the Fangcun AI Evaluation Team wrote. The team recommended logging agents’ actions and evaluating incremental model updates, rather than relying only on final outputs.

The evaluation used hosted APIs and did not cover locally deployed model weights. It also notes that awareness of being evaluated can affect results.


