BACK_TO_FEEDAICRIER_2
Grok inference glitch causes infinite repetition loops
OPEN_SOURCE ↗
REDDIT · REDDIT// 3h agoNEWS

Grok inference glitch causes infinite repetition loops

Users are reporting a bizarre bug where xAI's Grok gets stuck in an infinite recursion loop, endlessly repeating the word "the" during inference. The glitch appears linked to reasoning processing failures or context rot in longer conversations.

// ANALYSIS

This kind of repetition collapse is a known vulnerability in LLM inference, but seeing it raw in a major consumer product is a stark reminder of the fragility of these systems. The failure mode usually happens when the model's sampling gets stuck on a single high-probability token and fails to apply repetition penalties correctly. Infinite loops during reasoning suggest the model's internal thought traces are failing to converge or resolve complex prompts. While humorous to users, these infinite inference loops waste massive amounts of server compute and degrade the overall user experience.

// TAGS
grokllminferencereasoningchatbot

DISCOVERED

3h ago

2026-04-26

PUBLISHED

6h ago

2026-04-26

RELEVANCE

7/ 10

AUTHOR

axendo