Unverified50% confidenceOpinionExact time
A Reddit user noted that "Polluted context is forever," implying that erroneous information in the conversation history may continue to affect subsequent output.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/29/2026
First Seen
Valid until: 11/12/2026
Sources
Related Entities
Related Claims
UnverifiedA paper published on arXiv coined the term "context poisoning" to describe the phenomenon in which long-context models exhibit degraded ability to locate key evidence when distractor content is mixed in.67% similarUnverifiedCross-session context contamination can occur when history isolation is improper, causing one user's data to appear in another user's answer.62% similarUnverifiedThe Reddit discussion shows that schema changes, feature pipeline failures and distribution drift are the main culprits behind sudden model degradation, with troubleshooting times ranging from several hours to a week.60% similarUnverifiedA contaminated memory in a memory system may be repeatedly recalled in many future conversations, compounding errors.59% similarUnverifiedWhen context becomes too long, history should be organized in segments while retaining recent results, and if necessary a new web conversation with progress should be continued; when the response format is wrong, return it to the model for correction, and if it is still wrong, stop—never execute by guessing.59% similar
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