Run: 2026-10-09-01M4G16V4AZ0A2XP07RRNAV7BE

Run Details

Model:: Claude Haiku 5.5 (Reasoning, Low)
Test:: N-Length Sentences
Scenario:: Write sentences with 5 words each
Duration:: 9.2s
Cost:: $0.000697
Provider:: Claude Platform on AWS

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 5 words.
Please make sure that each sentence has the same length. Only return the opening itself.

Model response

Rain hammered the manor windows.
Detective Mara Voss arrived late.
Lord Ashford lay face down.
A silver letter opener protruded.
Nobody had touched the body.
Blood pooled beneath the desk.
Six suspects waited in silence.
Each carried a dark secret.
Mara noticed one detail immediately.
The study clock read midnight.
Someone had rewound it carefully.
Nobody else could have known.
The killer was still here.

Evaluation details

Result

Evaluator

Details

Meta Data

100.00%

Matches word count

n/a

neededClean

false

sentences

wordCounts

0	5
1	5
2	5
3	5
4	5
5	5
6	5
7	5
8	5
9	5
10	5
11	5
12	5