NC Bench
Overview
About
Tests
Models
Model
o4 Mini High
Test
N-Length Sentences
Scenario
Write sentences with 20 words each
Run ID
2025-04-16-01JRZZBTR94MJZYR16GS6QHSZW
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
Night rain rattled against the stained window as Detective Archer discovered the lifeless body sprawled across the cold marble foyer. A single bloodied glove lay abandoned near the broken door, haunted by unsettling whispers of betrayal and silent final breaths. Fluorescent lamps flickered erratically overhead, casting long emerald shadows across polished floors stained with evidence of a once joyous celebration. Detective Archer’s gloved fingers trembled against the victim’s wrist, searching futilely for any remaining signs of life that never returned. Far beyond the ornate threshold, ominous ticking from a hidden clock echoed as though marking final moments before unwelcome revelation.
id
"gen-1744829803-RqUfm8l1nijIh4j9A8S8"
upstream_id
"chatcmpl-BN2E7IKFb8GHeJM3R91ntXRmL81PZ"
total_cost
0.0097119
cache_discount
(null)
provider_name
"OpenAI"
created_at
"2025-04-16T18:57:06.753779+00:00"
Wednesday, April 16th, 2025 at 6:57:06 PM GMT+00:00
model
"openai/o4-mini-high-2025-04-16"
app_id
182717
streamed
true
cancelled
false
latency
21460
moderation_latency
94
generation_time
22527
tokens_prompt
42
tokens_completion
2178
native_tokens_prompt
41
native_tokens_completion
2197
native_tokens_reasoning
2048
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
0.0097119
Evaluation details
Result
Evaluator
Details
Meta Data
100.0000%
Matches word count
n/a
neededClean
false
sentences
5
wordCounts
0
20
1
20
2
20
3
20
4
20