Run: 2026-03-18-01KM08QDET4GNHKFK09ZV3F6MY

Run Details

Model:: GPT-5.4 Nano (Reasoning, Low)
Test:: N-Length Sentences
Scenario:: Write sentences with 10 words each
Duration:: 2.9s
Cost:: $0.000676
Provider:: OpenAI

Evaluation summary

Score	Evaluator	Details Link
100.00%	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 tapped the mansion windows as midnight thickened over Harbor.  
Detective Lila Crane found a body sprawled beside the conservatory.  
The victim wore gloves, yet a cold dagger remained nearby.  
Guests gathered silently, clinging to alibis and half-suppressed doubts tonight.  
Master Ellery protested, claiming he heard laughter from upstairs earlier.  
Mrs. Voss wept, insisting the door never opened after dusk.  
Crane noted one muddy footprint ending at the locked study.

Evaluation details

Result

Evaluator

Details

Meta Data

100.00%

Matches word count

n/a

neededClean

false

sentences

wordCounts

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