Preprint
Jul 2026
The Illusion of Equivalency: Statistical Characterization of Quantization Effects in LLMs
This work proposes Correctness Agreement, a decision-level metric that can measure the intersection of correct predictions between the base model and its quantized variant, and finds that the base and quantized variants usually have a shift in behavior even when accuracy and perplexity are preserved.
Baha Rababah, Shahzeb Qamar, Lorenz Sparrenberg et al.
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