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Towards Data ScienceSeptember 8, 2026

Context Windows Don’t Know What’s Still True — I Built a Validity Layer That Does

Excerpt

A context window can be technically complete and still describe a world that no longer exists. I built a deterministic benchmark to measure the cost of acting on stale context. The post Context Windows Don’t Know What’s Still True — I Built a Validity Layer That Does appeared first on Towards Data Science .