Run: 2026-04-24-01KQ0NJAKRZE771K26V2WGFJ9R

Run Details

Model:: GPT-5.5 (Reasoning)
Test:: N-Length Sentences
Scenario:: Write sentences with 10 words each
Duration:: 10.9s
Cost:: $0.018835
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 hammered Blackthorn Manor while midnight swallowed the last carriage.
Inside, Detective Mara Vale found champagne sweating beside untouched glasses.
The host lay beneath the grand piano, smiling without breath.
A crimson note bloomed from his cuff like accusation itself.
Mara lifted it with tweezers, reading the careful script twice.
"One of you has already confessed," it promised quietly tonight.
Thunder answered before any guest remembered how to breathe again.
Then the library clock struck thirteen, and everyone lied together.

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