Run: 2026-04-24-01KQ0N788MNRENG5D5446XJM77

Run Details

Model:: GPT-5.5 (Reasoning)
Test:: N-Length Sentences
Scenario:: Write sentences with 10 words each
Duration:: 12.0s
Cost:: $0.019285
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 Blackwater Manor as midnight swallowed the coastal village.
Inside, twelve guests waited beside a fire burning unnaturally blue.
Lord Ashcombe raised his glass, smiled, then collapsed without sound.
The crystal shattered, scattering wine like blood across marble tiles.
Someone screamed, and every candle in the hall went out.
When light returned, the butler stood beside the locked doors.
His white gloves were spotless, except for one crimson fingerprint.
Detective Mara Venn noticed the dead man's watch still ticking.
It was set three hours ahead of the present hour.

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