Run: 2026-04-24-01KQ0G34MQR64P7WQ9V04VY0F8

Run Details

Model:: Claude Opus 4.7 (Reasoning)
Test:: N-Length Sentences
Scenario:: Write sentences with 5 words each
Duration:: 3.9s
Cost:: $0.007400
Provider:: Amazon Bedrock

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 old manor. Detective Cole parked his car. The front door stood open. Candles flickered in the hallway. A woman screamed upstairs, sharply. Cole drew his service weapon. He climbed the creaking stairs. Blood pooled beneath one door. His gloved hand pushed inward. The library lay in ruins. Books scattered across wet carpet. Lord Ashford sat motionless, dead. A silver letter opener protruded. Seven guests stood watching silently. None of them seemed surprised. Cole studied each pale face. Someone here had killed him. The storm outside grew louder. Nobody moved toward the body. "Close the doors," Cole ordered. His investigation had just begun.

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
13	5
14	5
15	5
16	5
17	5
18	5
19	5
20	5