Run: 2025-04-14-01JRTSSMWM54AYJ9SPRNY6D8CC

Run Details

Model:: GPT-4.1 Mini
Test:: N-Length Sentences
Scenario:: Write sentences with 10 words each
Duration:: 2.7s
Cost:: $0.000167
Provider:: OpenAI

Evaluation summary

Score	Evaluator	Details Link
91.36%	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 storm raged fiercely outside the old mansion’s creaking walls.  
Detective Marlow entered, eyes sharp, expecting secrets hidden deep inside.  
A shattered vase lay near the cold, lifeless body sprawled.  
Candles flickered weakly, casting eerie shadows on blood-stained floorboards.  
Whispers echoed softly through the grand hall, chilling every breath.  
Footsteps approached cautiously; the investigation’s true beginning was about to start.

Evaluation details

Result

Evaluator

Details

Meta Data

91.36%

Matches word count

n/a

neededClean

false

sentences

wordCounts

0	10
1	10
2	10
3	9
4	10
5	11

id	"gen-1744656193-G0HkkP8ol9D44wAIMEP1"
upstream_id	"chatcmpl-BMJ3xzqGQIBYarAq1qIqjxnMgj8Dn"
total_cost	0.0001672
cache_discount	(null)
provider_name	"OpenAI"
created_at	"2025-04-14T18:43:15.439352+00:00" 4/14/2025, 6:43:15 PM
model	"openai/gpt-4.1-mini-2025-04-14"
app_id	182717
streamed	true
cancelled	false
latency	396
moderation_latency	243
generation_time	1557
tokens_prompt	42
tokens_completion	93
native_tokens_prompt	42
native_tokens_completion	94
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	0.0001672