Run: 2026-02-20-01KHY8Z4GDKG3XE7NERW80QGM9

Run Details

Model:: Grok 4 Fast
Test:: N-Length Sentences
Scenario:: Write sentences with 10 words each
Duration:: 4.0s
Cost:: $0.000298
Provider:: xAI

Evaluation summary

Score	Evaluator	Details Link
92.59%	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

Rain lashed the mansion's windows on that stormy autumn evening.  
Detective Ellis arrived, coat dripping, as thunder cracked overhead loudly.  
The butler opened the door with hands trembling slightly in fear.  
"Sir, the master lies dead inside his locked oak study."  
Ellis stepped forward, eyes scanning the dimly lit foyer quickly now.  
Guests gathered in the parlor, whispers rising like morning fog.  
A scream echoed suddenly from the hallway beyond the stairs.

Evaluation details

Result

Evaluator

Details

Meta Data

92.59%

Matches word count

n/a

neededClean

false

sentences

wordCounts

0	10
1	10
2	11
3	10
4	11
5	10
6	10