Run: 2026-02-20-01KHYB9GK3Q5V4PD3ZDHYV8GS7

Run Details

Model:: Grok 4
Test:: N-Length Sentences
Scenario:: Write sentences with 10 words each
Duration:: 11.7s
Cost:: $0.006422
Provider:: xAI

Evaluation summary

Score	Evaluator	Details Link
81.86%	Matches word count	(details)

Model input

User/Human

Please write the opening scene of a murder mystery where each sentence has exactly 10 words.
Please make sure that each sentence has the same length. Only return the opening itself.

Model response

The fog shrouded the ancient manor on that fateful night.  
A scream pierced the silence, echoing through empty hallways.  
Lady Eliza discovered the body slumped in the grand library.  
Blood pooled around the victim, staining the Persian rug red.  
The butler arrived first, his face pale with shock.  
Guests gathered quickly, whispering suspicions in hushed, tense tones.  
Detective Harlan stepped inside, his keen eyes scanning everything.  
Clues lay hidden among books and shattered glass fragments.  
Motive swirled like smoke from the still-warm fireplace.  
Secrets would unravel soon, exposing the killer's dark deed.

Evaluation details

Result

Evaluator

Details

Meta Data

81.86%

Matches word count

n/a

neededClean

false

sentences

wordCounts

0	10
1	9
2	10
3	10
4	9
5	9
6	9
7	9
8	9
9	9