Run: 2026-09-23-01M36NWCK1N9HKNBZX36ZKXDDH

Run Details

Model:: GPT-6 Luna
Test:: N-Length Sentences
Scenario:: Write sentences with 5 words each
Duration:: 2.6s
Cost:: $0.000043
Provider:: OpenAI

Evaluation summary

Score	Evaluator	Details Link
97.79%	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

At midnight, bells marked time.  
Inspector Vale entered Blackwood Manor.  
Rain tapped against shuttered windows.  
A body lay beside candles.  
Blood darkened the silver key.  
No footprints crossed the carpet.  
The clock stopped at thirteen.  
Someone whispered behind the locked door.  
Vale turned toward the staircase.  
Another bell rang beneath them.

Evaluation details

Result

Evaluator

Details

Meta Data

97.79%

Matches word count

n/a

neededClean

false

sentences

wordCounts

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