Run: 2025-04-14-01JRTSV82DQZ1EGNSNKAMEDPX8

Run Details

Model:: GPT-4.1 Mini
Test:: N-Length Sentences
Scenario:: Write sentences with 10 words each
Duration:: 1.7s
Cost:: $0.000230
Provider:: OpenAI

Evaluation summary

Score	Evaluator	Details Link
88.48%	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

The clock struck midnight in the eerie mansion on Elm Street.  
Detective Gray arrived swiftly, his face calm yet filled with tension.  
Inside, the chandelier flickered, casting shadows that danced with secrets.  
A shattered vase lay scattered upon the cold marble floor.  
The victim’s lifeless hand clutched a mysterious, bloodstained handwritten note.  
Whispers echoed softly as the storm raged fiercely outside the windows.  
Gray knelt down carefully, examining clues hidden beneath the antique rug.  
Footsteps approached quietly; someone didn’t want this crime uncovered tonight.  
The night had just begun unraveling its dark, twisted story.

Evaluation details

Result

Evaluator

Details

Meta Data

88.48%

Matches word count

n/a

neededClean

false

sentences

wordCounts

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

id	"gen-1744656245-Ofd9JMW3ZLQx1pRL2GdQ"
upstream_id	"chatcmpl-BMJ4n7WcFmeirn4xeJWC66OG0Uwhf"
total_cost	0.0002296
cache_discount	(null)
provider_name	"OpenAI"
created_at	"2025-04-14T18:44:07.052674+00:00" 4/14/2025, 6:44:07 PM
model	"openai/gpt-4.1-mini-2025-04-14"
app_id	182717
streamed	true
cancelled	false
latency	330
moderation_latency	92
generation_time	655
tokens_prompt	42
tokens_completion	132
native_tokens_prompt	42
native_tokens_completion	133
native_tokens_reasoning	0
num_media_prompt	(null)
num_media_completion	(null)
num_search_results	(null)
origin	"https://ncbench.com/"
is_byok	false
finish_reason	"stop"
native_finish_reason	"stop"
usage	0.0002296