Run: 2025-04-14-01JRTSYJFJ5RR2ESXFWY843E79

Run Details

Model:: GPT-4.1 Mini
Test:: N-Length Sentences
Scenario:: Write sentences with 5 words each
Duration:: 2.3s
Cost:: $0.000206
Provider:: OpenAI

Evaluation summary

Score	Evaluator	Details Link
98.53%	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 poured down on street.  
Shadows moved beneath dim lights.  
A scream pierced the silent night.  
Detective Blake arrived, coat damp.  
Footsteps echoed near dark alley.  
A body lay cold, still.  
Blood pooled beneath pale face.  
No witnesses dared to linger.  
Blake knelt, eyes scanning clues.  
Someone had planned this carefully.  
A single shoe lay nearby.  
Something shiny caught Blake’s attention.  
He pocketed it, mind racing.  
Who wanted this victim dead?  
Answers hid within city’s secrets.

Evaluation details

Result

Evaluator

Details

Meta Data

98.53%

Matches word count

n/a

neededClean

false

sentences

wordCounts

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

id	"gen-1744656354-uC7zttSx28Hbq6oZUj6p"
upstream_id	"chatcmpl-BMJ6YCoN3LwltZSddirdOyeidbtJt"
total_cost	0.0002056
cache_discount	(null)
provider_name	"OpenAI"
created_at	"2025-04-14T18:45:56.500605+00:00" 4/14/2025, 6:45:56 PM
model	"openai/gpt-4.1-mini-2025-04-14"
app_id	182717
streamed	true
cancelled	false
latency	581
moderation_latency	129
generation_time	897
tokens_prompt	42
tokens_completion	117
native_tokens_prompt	42
native_tokens_completion	118
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	0.0002056