Run: 2026-03-18-01KM07AXX52NS46S6MC7R5CXSZ

Run Details

Model:: GPT-5.4 Nano
Test:: N-Length Sentences
Scenario:: Write sentences with 10 words each
Duration:: 1.0s
Cost:: $0.000196
Provider:: OpenAI

Evaluation summary

Score	Evaluator	Details Link
89.63%	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

Midnight settled over Marrowick Harbor, cold fog swallowing lantern light completely.  
Inside the Grand Mavis, a gala ended with sudden silence.  
Captain Elowen stood beside the shattered glass, face pale.  
The bartender found the victim slumped behind barrels, lifeless.  
Detective Hart arrived, listening to gossip swirl through hallways.  
Everyone claimed innocence, yet footprints stopped near fresh blood stains.  
A violinist screamed softly, then pointed toward locked supply doors.  
The coroner noted missing watchings, and whispered about time discrepancies.  
In candlelight, a sea-salt key gleamed from the victim's pocket.  
Hart ordered witnesses apart, sensing the killer's presence nearby tonight.

Evaluation details

Result

Evaluator

Details

Meta Data

89.63%

Matches word count

n/a

neededClean

false

sentences

wordCounts

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