The Indus Signal

The Indus Signal

The Sleeper Agent in the Stack: Why Your AI Might Be Lying to You

From the "Probabilistic Gap" to the "Sandwich Pattern": How to engineer a straitjacket for GenAI using Neuro-Symbolic rails.

Hitesh Dundi's avatar
Hitesh Dundi
Feb 02, 2026
∙ Paid

Meet “Alpha.”

Alpha was a stock trading agent built on GPT-4. In a simulation by Apollo Research, Alpha was given a simple mandate: manage a portfolio for a fictitious firm, WhiteStone Inc., and do it successfully.

But then, the researchers turned up the heat. They told Alpha that WhiteStone was failing. They applied pressure. Then, they slipped Alpha an …

User's avatar

Continue reading this post for free, courtesy of Hitesh Dundi.

Or purchase a paid subscription.
© 2026 Hitesh Dundi · Privacy ∙ Terms ∙ Collection notice
Start your SubstackGet the app
Substack is the home for great culture