NC Bench
Overview
About
Tests
Models
Model
o4 Mini High
Test
N-Length Sentences
Scenario
Write sentences with 20 words each
Run ID
2025-04-16-01JRZZ5HEKACWEGK3RFNJNJP27
Model input
User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 20 words. Please make sure that each sentence has the same length. Only return the opening itself.
Model response
Messages
Meta
AI
A chilling scream shattered midnight's silence, drawing Detective Harper's weary footsteps toward the ominous ancient mansion perched above fog-drenched cliffs. Torches flickered along cracked walls, casting dancing shadows that whispered of betrayal, secrets, and cold blood buried beneath marble floors. Harper's gloved hand brushed the mansion's grand oak door, silent, hesitating before pushing it open toward smells reminiscent of fear. Inside, a shattered, crystal chandelier glittered ominously above the sprawling foyer, its prisms scattered across crimson-stained marble like fallen tears. Blood pooled beside a luxurious Persian rug, its rich patterns smudged and stained beneath the lifeless body of Madame Delacroix. Harper's eyes darted from broken glass to disturbed footprints, piecing together murder's silent puzzle with unwavering determination amid growing dread.
id
"gen-1744829597-mEOQQmSHkqwphCxPt4cS"
upstream_id
"chatcmpl-BN2AnI7kSXS14L8gJAr4oYplRHigx"
total_cost
0.0115775
cache_discount
(null)
provider_name
"OpenAI"
created_at
"2025-04-16T18:53:41.030049+00:00"
Wednesday, April 16th, 2025 at 6:53:41 PM GMT+00:00
model
"openai/o4-mini-high-2025-04-16"
app_id
182717
streamed
true
cancelled
false
latency
21440
moderation_latency
117
generation_time
22884
tokens_prompt
42
tokens_completion
2602
native_tokens_prompt
41
native_tokens_completion
2621
native_tokens_reasoning
2432
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
0.0115775
Evaluation details
Result
Evaluator
Details
Meta Data
86.8844%
Matches word count
n/a
neededClean
false
sentences
6
wordCounts
0
21
1
20
2
20
3
21
4
20
5
20