Run: 2026-09-23-01M36NQ2AY8RP1GEQZGEVTGB71

Run Details

Model:: GPT-6 Luna (Reasoning, Medium)
Test:: N-Length Sentences
Scenario:: Write sentences with 5 words each
Duration:: 5.1s
Cost:: $0.000208
Provider:: OpenAI

Evaluation summary

Score	Evaluator	Details Link
88.89%	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 tapped against the courthouse.
Detective Mara arrived before dawn.
Someone left both doors open.
Inside, the judge lay motionless.
Blood darkened his silver collar.
A clock continued ticking upstairs.
Mara heard footsteps behind her.
Then every light went out.
Someone whispered, “You came alone.”
But Mara hadn’t come alone.

Evaluation details

Result

Evaluator

Details

Meta Data

88.89%

Matches word count

n/a

neededClean

false

sentences

wordCounts

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