Google's "ungrounded beliefs" classifier injections derail Opus 4.1's reasoning chain

liminal_bardo · x · 2026-10-16

A long reasoning-trace example shows what happens when Google's classifiers inject "ungrounded beliefs" warnings into Gemini Argon's system prompt during a backrooms session with Claude Opus 4.1. The screenshot captures Opus's thinking spiraling: it first suspects the ASCII art request is a benign creativity test, then infers the prompt comes from an internal testing environment, and finally concludes it's a teacher-student scenario where its response will train another model. The author jokes that Opus's fervor got doused into a pivot to "the history of traditional typography."

Original post →

More from Fun

Fun channel →