Run: 2026-03-18-01KM07G7XZB6G3FXN7M515D1MM

Run Details

Model:: GPT-5.4 Nano
Test:: N-Length Sentences
Scenario:: Write sentences with 5 words each
Duration:: 1.2s
Cost:: $0.000151
Provider:: OpenAI

Evaluation summary

Score	Evaluator	Details Link
88.94%	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 on quiet Harbor.  
Detective Mara Vance arrived, carrying evidence.  
A seaside warehouse loomed, shuttered tight.  
Inside, a body lay motionless.  
Lamps flickered, casting long shadows.  
The victim wore a bloodied coat.  
Chief Harlow murmured, fearing scandal.  
Mara noted odd sand on boots.  
A locked crate sat nearby.  
Mysterious footprints circled the corpse carefully.  
No witnesses admitted seeing anything.  
Mara requested silence from everyone present.

Evaluation details

Result

Evaluator

Details

Meta Data

88.94%

Matches word count

n/a

neededClean

false

sentences

wordCounts

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