Run: 2026-03-09-01KK9QS11ZCAK166T7P74J5PG7

Run Details

Model:: GPT-5.4 (Reasoning)
Test:: N-Length Sentences
Scenario:: Write sentences with 10 words each
Duration:: 11.0s
Cost:: $0.008292
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 worried the mansion windows as midnight swallowed Blackthorn Hall.
Inside, silver candlesticks trembled beside portraits with watchful, disapproving eyes.
Guests lingered after dinner, smiling carefully, while thunder rehearsed accusations.
Then Mrs. Vale screamed, shattering the clock's polite conversation forever.
Professor Bellamy lay beneath the staircase, one hand still gloved.
A ruby cufflink glittered nearby like evidence eager for discovery.
No one moved until Inspector Graves removed his dripping overcoat.
He surveyed the room and said, "Someone here practiced murder."

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