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Creative Story-Writing Benchmark

Frontier

Each model writes a short story that must incorporate 10 assigned elements (characters, objects, concepts, attributes, motivations). A panel of LLM judges grades element use, prose, coherence, character and originality. Published by Lech Mazur.

Domain
Writing
Format
Custom
Published
Jan 2025
Official leaderboard
github.com/lechmazur/writing

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Notes

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Attribution

Leaderboard scores
Lech Mazur
Attribution policy →

Top score 95.0% by Claude Opus 5 - 45 models reporting (18 frontier)

Score history

44
0%25%50%75%100%Aug 25Nov 25Feb 26May 26Aug 26gpt-oss-120bGPT-5.2Claude Opus 4.6GPT-5.5Claude Fable 5Claude Opus 5

Top models

45
Creative Story-Writing BenchmarkBar chart with 21 bars. Highest value: Claude Opus 5 at 95.
21 models

Where it's ranked

1

FAQ

What is Creative Story-Writing Benchmark?
Each model writes a short story that must incorporate 10 assigned elements (characters, objects, concepts, attributes, motivations). A panel of LLM judges grades element use, prose, coherence, character and originality. Published by Lech Mazur.
What is the current top score on Creative Story-Writing Benchmark?
The top reported score is 95.0% by Claude Opus 5, across 45 models reporting (18 from frontier labs).