Run: 2026-04-24-01KQ0MTQYB0JPNKEQV91DJMET8

Run Details

Model:: GPT-5.5
Test:: N-Length Sentences
Scenario:: Write sentences with 10 words each
Duration:: 3.2s
Cost:: $0.002365
Provider:: OpenAI

Evaluation summary

Score	Evaluator	Details Link
89.63%	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 needled the windows as Inspector Vale entered Blackthorn Manor alone.
Twelve guests sat motionless beneath portraits of their judging ancestors.
On the marble floor, Lord Blackthorn bled beside shattered crystal.
His final message, written tremblingly, named nobody and accused everyone.
Then the grandfather clock struck midnight, though its hands pointed six.

Evaluation details

Result

Evaluator

Details

Meta Data

89.63%

Matches word count

n/a

neededClean

false

sentences

wordCounts

0	11
1	10
2	10
3	10
4	11