LLM judges are blind to reward-model-optimized readability decay in writing evals

sam_paech · x · 2026-09-07

Responding to whether creative-writing benchmarks can still be trusted, sampaech says any LLM-judged writing eval deserves a pinch of salt—read the samples yourself.

The core issue: LLM judges are largely blind to the readability problems caused by optimizing on reward-model preferences, and this contamination keeps getting worse.

Related event: EQ-Bench creative writing v3 update: author favors Muse Spark, warns of LLM-judge blind spots(6 posts)→

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