Run: 2026-04-24-01KQ0NRPSPAE58ACRMBSVZ9GT2

Run Details

Model:: GPT-5.5
Test:: N-Length Sentences
Scenario:: Write sentences with 10 words each
Duration:: 4.9s
Cost:: $0.003925
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 needled Blackmoor Hall as midnight swallowed the last train.
Inspector Vale found the parlor locked from the inside tonight.
Within, Lord Ashwick lay smiling, his silver cravat pin missing.
Seven guests waited downstairs, each claiming never to have screamed.
On the mantel, one clock ticked backward, then stopped completely.
Vale noticed muddy roses crushed beneath the Persian carpet's corner.
Lady Mara whispered, “He promised me the will was burned.”
The butler fainted when thunder revealed footprints on the ceiling.
Somewhere beyond the walls, a violin began playing Ashwick's lullaby.

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