Run: 2026-03-09-01KKAC33AQFTCJV4FMD9HBGV0W

Run Details

Model:: GPT-5.4 (Reasoning, Low)
Test:: N-Length Sentences
Scenario:: Write sentences with 10 words each
Duration:: 9.8s
Cost:: $0.008157
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 windows while Blackthorne Manor swallowed midnight whole.
Inside, the grandfather clock coughed twelve times, then fell silent.
Guests lingered beneath chandeliers, smiling carefully over untouched champagne flutes.
When the lights failed, someone laughed, and someone else screamed.
Darkness lifted slowly, revealing Lord Harrow slumped across dessert plates.
A silver knife glittered from his throat like accusation itself.
Nobody moved; even thunder seemed suddenly afraid of answers tonight.
Then Miss Vale closed the door and barred everyone inside.

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