NC Bench
Overview
About
Tests
Models
Model
o4 Mini
Test
N-Length Sentences
Scenario
Write sentences with 10 words each
Run ID
2025-04-16-01JRZZCDZ02DAHDE083M4PHCEP
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
Messages
Meta
AI
Midnight rain pattered softly against the shuttered Victorian manor’s windows. Flickering candlelight revealed a broken mirror and crimson-stained marble floor. Detective Whitaker stood silently, examining footprints leading toward grand staircase. A solitary glove lay abandoned near the flickering hallway lantern. From upstairs, muffled sobs pierced the ominous, oppressive midnight air. Whitaker’s flashlight beam danced across broken floorboards and shattered portraits. Behind heavy oak door, a body lay upon crimson carpet. A silver dagger protruded gruesomely from the victim’s trembling chest.
id
"gen-1744829823-Y6MkyI9jvepbiStcERbk"
upstream_id
"chatcmpl-BN2ERK4FWUQf7uQRLil6bVuoZ0wGf"
total_cost
0.0060115
cache_discount
(null)
provider_name
"OpenAI"
created_at
"2025-04-16T18:57:20.34451+00:00"
Wednesday, April 16th, 2025 at 6:57:20 PM GMT+00:00
model
"openai/o4-mini-2025-04-16"
app_id
182717
streamed
true
cancelled
false
latency
15468
moderation_latency
93
generation_time
16811
tokens_prompt
42
tokens_completion
1337
native_tokens_prompt
41
native_tokens_completion
1356
native_tokens_reasoning
1216
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
0.0060115
Evaluation details
Result
Evaluator
Details
Meta Data
96.7602%
Matches word count
n/a
neededClean
false
sentences
8
wordCounts
0
10
1
11
2
10
3
10
4
10
5
10
6
10
7
10