Run: 2026-07-09-01KX401EFJYXCAEWR7P0P5XSW4

Run Details

Model:: GPT-5.6 Luna (Reasoning)
Test:: N-Length Sentences
Scenario:: Write sentences with 5 words each
Duration:: 2.7s
Cost:: $0.002579
Provider:: OpenAI

Evaluation summary

Score	Evaluator	Details Link
98.16%	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

Rain needled the empty conservatory.  
Inspector Vale arrived before dawn.  
Mrs. Bell lay beneath glass.  
Her teacup remained perfectly warm.  
Nobody entered after midnight.  
Yet muddy footprints crossed everything.  
They stopped beside locked piano.  
Vale noticed one footprint backward.  
Behind him, someone began applauding.  
The applause came from upstairs.  
Vale drew his revolver immediately.  
Then every clock struck thirteen.

Evaluation details

Result

Evaluator

Details

Meta Data

98.16%

Matches word count

n/a

neededClean

false

sentences

wordCounts

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