Key Takeaways
- Ansar Allah used Anthropic’s Claude AI to develop missile guidance software.
- The group test-fired a guided rocket as part of their weapons programs.
- Anthropic identified three weapons programs, including a guided rocket and a multi-stage missile.
Yemen’s Ansar Allah has reportedly used Anthropic’s Claude AI to develop advanced weapons systems, according to a recent threat intelligence report from Anthropic.
The group is known to be operating three weapons programs, including a guided rocket, a multi-stage ballistic missile with a stated range goal of over 2,000 kilometers, and a multi-variant missile program.
Using Claude Code, Ansar Allah developed software that controls and stabilizes flying vehicles, integrating an open-source autopilot with a phone-class flight computer and running flight simulations.
Anthropic’s report stated that the group test-fired a guided rocket, indicating progress in their weapons development efforts.
Despite safeguards in place, Anthropic said the group used methods to evade them, including hiding the purpose of the software and splitting work across multiple sessions.
The company subsequently banned the involved accounts and shared relevant information with public and private sector partners.
Anthropic’s threat intelligence report highlights the growing use of AI in unconventional warfare, particularly in regions with limited resources.
The development of guided rockets and missile programs by Ansar Allah underscores the increasing sophistication of weapons in conflict zones.





