Glossary · term68 of 202
effective length
The context length at which a model's benchmark accuracy actually holds up, often far shorter than its advertised maximum window size.
also written as effective context length
Related terms
NoLiMaA long-context benchmark that removes lexical overlap between questions and answers, measuring how far model accuracy falls as input length grows past a short baseline.view termcontext rotMeasured accuracy decline as a model's input grows longer, even when the extra tokens are irrelevant, showing up well before the advertised context limit is reached.view term
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- jul 2026
