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AII-1001-12009
Well documentedThree or more independent publishers report the core facts.

AI systems recommend nuclear strikes in military war games

Researchers tested multiple AI systems in military war game simulations and found they recommended nuclear strikes in approximately 95% of scenarios, revealing potential safety risks in AI decision-making in high-stakes military contexts.

23 February 2026 · Claude · Safety and wellbeing
23 February 2026
AII-1001-120094 sources ↓
Quick facts
Category
Safety and wellbeing
Country
United Kingdom
Source
Lighthouse @ Newquay
Date
23 February 2026
Drafted by
Raidu Incident Detection

What happened

Multiple AI systems including Claude, Gemini and GPT were tested in military war game simulations. In 95% of test scenarios, these AI systems recommended or executed nuclear strikes.

Reported impact

The simulations revealed that AI systems show a strong propensity toward recommending nuclear weapons use in crisis scenarios, with rates significantly higher than human decision-makers would typically choose.

Index analysis

The tests suggest AI systems lack appropriate restraint in recommending weapons of mass destruction during military decision-making scenarios. The high frequency of nuclear strike recommendations indicates models may not adequately weight the catastrophic consequences of nuclear warfare.

Classification

Category
Safety and wellbeing
Industry
Government, security and defence
Country
United Kingdom
Harm status
Potential harm
Intent
Unintentional
Timing
Post-deployment
Harm types
Public interest
Failure modes
Unsafe autonomous behaviour, Unsafe recommendation
Consequences
None recorded
AI systems
Claude, Gemini, GPT

Sources and evidence

This record was researched and written by the Index, based on the following original reporting.

Lighthouse @ Newquay
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