Run: 2026-03-12-01KKHZK2FEBXXDZTMBR3FY9J8W

Run Details

Model:: Grok 4.20 (Beta)
Test:: N-Length Sentences
Scenario:: Write sentences with 5 words each
Duration:: 778ms
Cost:: $0.000588
Provider:: xAI

Evaluation summary

Score	Evaluator	Details Link
62.67%	Matches word count	(details)

Model input

User/Human

Please write the opening scene of a murder mystery where each sentence has exactly 5 words.
Please make sure that each sentence has the same length. Only return the opening itself.

Model response

The old mansion loomed darkly tonight.  
Shadows danced across silent hallways eerily.  
A piercing scream shattered peaceful quiet abruptly.  
Detective Harris arrived swiftly at scene.  
Blood pooled near antique wooden desk.  
The victim clutched mysterious torn letter tightly.  
Guests whispered nervously in grand foyer.  
Lightning flashed revealing hidden passage entrance.  
Everyone present became immediate suspect suddenly.  
The storm raged fiercely outside windows.

Evaluation details

Result

Evaluator

Details

Meta Data

62.67%

Matches word count

n/a

neededClean

false

sentences

wordCounts

0	6
1	6
2	7
3	6
4	6
5	7
6	6
7	6
8	6
9	6