Run: 2026-04-24-01KQ0NP349QP63J3FJVGT2BY86

Run Details

Model:: GPT-5.5 (Reasoning, Low)
Test:: N-Length Sentences
Scenario:: Write sentences with 10 words each
Duration:: 10.8s
Cost:: $0.019495
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 stitched silver lines across Blackthorn Manor's windows after midnight.
Inside, the grandfather clock coughed once, then refused midnight again.
Detective Mara Vale found the front door politely unlocked tonight.
A scent of almonds drifted beneath the library door silently.
She entered, and candlelight trembled over Lord Ashcombe's body there.
His hand gripped a white queen from the chessboard nearby.
On the carpet, blood darkened like spilled burgundy wine slowly.
Three guests waited outside, whispering behind jeweled, frightened fingers together.
Mara noticed their shoes: mud, ash, and one crimson smear.
Then the dead man's telephone rang, loudly, from his pocket.

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
7	10
8	10
9	10