Run: 2026-03-06-01KK1H56SXEZBPJZ7V35ERYYPF

Run Details

Model:: GPT-5.4
Test:: N-Length Sentences
Scenario:: Write sentences with 10 words each
Duration:: 5.0s
Cost:: $0.002217
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 lashed Blackthorn Manor as mourners gathered beneath iron eaves.
Inside, clocks whispered midnight while portraits watched the candlelit hall.
Lady Vesper greeted guests smiling, though her hands trembled slightly.
A violin sobbed somewhere upstairs, then stopped with dreadful suddenness.
When the lights failed, someone gasped, and glass shattered nearby.
Darkness held them briefly, breathing coldly through corridors and keyholes.
Then thunder revealed Lord Harrow fallen beside the dining room.
His cravat bloomed crimson, and the silver knife gleamed accusingly.
No servant admitted entering, yet muddy footprints crossed polished tiles.
Detective Vale removed his gloves and smiled without warmth whatsoever.

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