Run: 2026-03-06-01KK1HMTCH7K5K7B7RV7FTJG6S

Run Details

Model:: GPT-5.4
Test:: N-Length Sentences
Scenario:: Write sentences with 10 words each
Duration:: 5.0s
Cost:: $0.002263
Provider:: OpenAI

Evaluation summary

Score	Evaluator	Details Link
94.82%	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 rattled Blackthorn Manor as guests gathered for Lord Henshaw.
Candles trembled wildly, casting nervous shadows across portraits and polished silver.
No one noticed the butler locking the conservatory doors quietly.
At dinner, Lady Marlowe laughed once, then suddenly clutched her throat.
Her wineglass slipped, shattered below, and silence swallowed every witness.
Dr. Vale rose instantly, but his practiced calm soon faltered.
A bitter almond scent drifted upward from the crimson spill.
Thunder answered sharply when Henshaw declared nobody would leave tonight.
Across the table, each face hardened behind manners and secrets.
Somewhere above, unseen footsteps crossed the corridor, then stopped abruptly.

Evaluation details

Result

Evaluator

Details

Meta Data

94.82%

Matches word count

n/a

neededClean

false

sentences

wordCounts

0	10
1	11
2	10
3	11
4	10
5	10
6	10
7	10
8	10
9	10