EQ-Bench Longform Creative Writing

Measures: From a minimal prompt, the model plans a novella, revises the plan and writes it in 8 turns of about 1,000 words. Claude Sonnet 4.6 scores each chapter and the whole piece on a 14-criterion rubric, giving 0-100. Forced metaphor is weighted up, and a penalty applies when quality degrades over length.

Maintainer: Sam Paech (EQ-Bench)
Introduced: 2025
Status: Active
Saturation: Near-ceiling
Typical provenance: Independent
In scoring set: Yes

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