Concept
Context Anxiety
A training-induced tendency for a model to rush to conclude a task when the conversation approaches the context window limit. It must be offset at the harness layer through engineering measures.
Timeline (last 90 days)
Oct 25
Sonnet 4.5 exhibits "context anxiety": when it senses it is approaching the context limit, it rushes to wrap up tasks hastily, requiring the Harness to add a context reset mechanism.
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Oct 25
Opus 4.5 no longer exhibits context anxiety, so the old reset logic became redundant.
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