Run: 2026-03-18-01KM0AJBE7NFZGMYNWKFP2T6X9

Run Details

Model:: GPT-5.4 Nano
Test:: N-Length Sentences
Scenario:: Write sentences with 5 words each
Duration:: 1.2s
Cost:: $0.000196
Provider:: OpenAI

Evaluation summary

Score	Evaluator	Details Link
77.88%	Matches word count	(details)

Model input

User/Human

Please write the opening scene of a murder mystery where each sentence has exactly 5 words.
Please make sure that each sentence has the same length. Only return the opening itself.

Model response

Midnight settled over silent Marrowfield Harbor.  
Detective Lila Vance found bloodstained drifts.  
The mayor's study door stood ajar.  
A storm lamp flickered, casting shadows.  
Guests gathered, whispering names beside coffins.  
Victim Edmund Crane lay sprawled lifeless.  
His pocket watch stopped at midnight.  
Suspects stood tense around the room.  
Vance noted torn gloves near windows.  
The butler swore innocence, eyes darting.  
A locked drawer held missing jewels.  
Outside, gulls screamed over wet rooftops.  
Vance asked questions, voice calm, measured.  
The autopsy surgeon arrived, pale-faced, trembling.

Evaluation details

Result

Evaluator

Details

Meta Data

77.88%

Matches word count

n/a

neededClean

false

sentences

wordCounts

0	6
1	6
2	6
3	6
4	6
5	6
6	6
7	6
8	6
9	6
10	6
11	6
12	6
13	6