Run: 2026-03-18-01KM09RNAJG2BQBP61W2QAD5NZ

Run Details

Model:: GPT-5.4 Nano (Reasoning)
Test:: N-Length Sentences
Scenario:: Write sentences with 10 words each
Duration:: 6.6s
Cost:: $0.000717
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 tapped the courthouse steps as midnight shadows shifted silently.  
Detective Mara Voss found a body beside the fountain, unmoving.  
The victim wore gloves, yet fresh ink stained fingertips black.  
A single tulip lay near him, carefully placed upright today.  
Mara questioned witnesses under lanternlight, hearing contradictory whispers everywhere tonight.  
Mayor Alden swore she returned minutes after her meeting ended.  
Her secretary insisted the detective left first, carrying records away.  
From the fountain drain, a key clinked, still warm somehow.

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