Run: 2026-09-29-01M3P2JRW0RH8853PZK6320D5K

Run Details

Model:: Claude Sonnet 5.5 (Reasoning)
Test:: N-Length Sentences
Scenario:: Write sentences with 5 words each
Duration:: 9.8s
Cost:: $0.010794
Provider:: Claude Platform on AWS

Evaluation summary

Score	Evaluator	Details Link
83.33%	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

Rain hammered the manor's windows. Detective Hale arrived at midnight. Constable Reed met her outside. "Lord Ashford is dead, ma'am." Hale studied the gravel path. No footprints marked the mud. Someone had swept them away.

Candles flickered along the hallway. The library door stood open. Ashford sprawled beside the fireplace. A silver dagger pierced him. His eyes stared at nothing.

"Who discovered the body, Constable?" "The butler did, near eleven." Hale knelt beside the corpse. The mantel clock had stopped. Its hands pointed to nine. Somebody wanted us to notice.

Hale smiled without any warmth. "Gather everyone in the parlor." She glanced at the shadows. "Every guest here is lying."

Evaluation details

Result

Evaluator

Details

Meta Data

83.33%

Matches word count

n/a

neededClean

false

sentences

wordCounts

0	5
1	5
2	5
3	10
4	5
5	5
6	5
7	5
8	5
9	5
10	5
11	15
12	5
13	5
14	5
15	5
16	10
17	5