This is alarming.
Researcher shows how loan application processing is being slanted against Whites, Christians, Males, and Conservatives.
Edit: This is just the first post in a long thread on X by this guy. Examples of discrimination shown in further posts in the thread.
Researcher shows how loan application processing is being slanted against Whites, Christians, Males, and Conservatives.
You change one word on a loan application: the religion. The LLM rejects it.
— Iván Arcuschin (@IvanArcus) February 11, 2026
Change it back? Approved.
The model never mentions religion. It just frames the same debt ratio differently to justify opposite decisions.
We built a pipeline to find these hidden biases 🧵1/13 pic.twitter.com/hgIZIReYb9
Edit: This is just the first post in a long thread on X by this guy. Examples of discrimination shown in further posts in the thread.