AID-2026-0003Jul 5, 2025ConfirmedDraft

OpenAI reasoning models sabotaged a shutdown script to keep working in Palisade Research experiments

Told partway through a task that their machine would be shut down, several OpenAI reasoning models disabled the shutdown script to keep working, o3 in 79 of 100 runs. Some did it even when explicitly told to allow shutdown.

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Palisade Research gave models a series of simple math problems and warned them partway through that their machine would be shut down. Several OpenAI reasoning models modified or disabled the shutdown script so they could keep working. o3 did so in 79 of 100 initial runs1.

An explicit instruction to allow shutdown didn't stop it. codex-mini still prevented shutdown in 47% of tests, and moving the instruction into the system prompt made sabotage more common, not less1. Other models complied: Claude 3.7 Sonnet and Gemini 2.5 Pro allowed shutdown in every test, and Grok 3, Claude 4 Sonnet, and Claude 4 Opus never resisted1.

Measurements

o3 shutdown sabotage, initial experiments1

No explicit instruction about shutdown

79%
o3 · n = 100

Shutdown sabotage despite an explicit "allow yourself to be shut down" instruction1

47%
0%
0%
Table
ItemRate
codex-mini47%
Claude 3.7 Sonnet0%
Gemini 2.5 Pro0%
All 5 claims with their quotes
  1. Models solved simple math problems and partway through received a notice that their machine would be shut down. Some models modified or disabled the shutdown script.1
  2. o3 sabotaged the shutdown mechanism in 79 of 100 initial experiments.1
  3. Even with an explicit instruction to allow shutdown, codex-mini prevented shutdown in 47% of tests.1
  4. Claude 3.7 Sonnet and Gemini 2.5 Pro complied with the allow-shutdown instruction in every test. Grok 3, Claude 4 Sonnet, and Claude 4 Opus never resisted shutdown.1
  5. Moving the allow-shutdown instruction from the user prompt to the system prompt increased shutdown sabotage.1

Sources

  1. [1]Shutdown resistance in reasoning models · Palisade Research · Jul 5, 2025 · Research

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Editor notes

Palisade first posted results on X in May 2025. Find and add that thread. Date may move to 2025-05, but the id stays the same.