Run: 2025-04-16-01JRZZ3MSKSC91BGNXTAKSFWXV

Run Details

Model:: o4 Mini High
Test:: N-Length Sentences
Scenario:: Write sentences with 5 words each
Duration:: 34.3s
Cost:: $0.014182
Provider:: OpenAI

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

Moonlight shimmered on empty street.  
Shadows stretched across silent pavement.  
A solitary figure drifted forward.  
Distant scream cut through darkness.  
Footsteps echoed along deserted alleyways.  
Bloodstained doorway beneath flickering bulbs.  
Cold wind carried ominous whispers.  
Detective Cole approached crime scene.  
Yellow tape trembled in breeze.  
Crimson footprints led into mansion.  
Inside, body lay on marble.  
Silver dagger protruded from chest.  
Broken glass shattered evening calm.  
Footprints vanished beyond window sill.  
Mystery began under midnight sky.

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

id	"gen-1744829535-yM1aeXsPaHP7Ea3BiFPP"
upstream_id	"chatcmpl-BN29ntvkDZJs3Zpv0B8BsCsKb3BMX"
total_cost	0.0141823
cache_discount	(null)
provider_name	"OpenAI"
created_at	"2025-04-16T18:52:49.73758+00:00" 4/16/2025, 6:52:49 PM
model	"openai/o4-mini-high-2025-04-16"
app_id	182717
streamed	true
cancelled	false
latency	32405
moderation_latency	83
generation_time	33817
tokens_prompt	42
tokens_completion	3194
native_tokens_prompt	41
native_tokens_completion	3213
native_tokens_reasoning	3072
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	0.0141823