NC Bench
Overview
About
Tests
Models
Model
GPT-4.1 Nano
Test
N-Length Sentences
Scenario
Write sentences with 10 words each
Run ID
2025-04-14-01JRTSZEF2QQJK62AKDXPMT9SJ
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
The fog clung tightly to the deserted, silent town's ancient streets early. A single lantern flickered faintly in the cold, shadowed alleyway corner. Footsteps echoed softly as Detective Harper hesitated near the crime scene. Broken glass shattered beneath hurried steps, revealing signs of frantic struggle. The wind carried whispers of secrets long buried in dark history. A crimson stain stretched across the cobblestones, hinting at violent chaos. Harper's eyes narrowed, noticing a partially hidden object in shadows. The distant church bell tolled, marking the hour amid tense silence. Silence hung heavily until a distant scream pierced through the night. Suddenly, the air grew heavier, thick with suspicion and unspoken fears.
id
"gen-1744656382-zBt7OlEvIouk3i000SCz"
upstream_id
"chatcmpl-BMJ71hhi9M4FDm4xNv05C8iSGcv00"
total_cost
0.0000662
cache_discount
(null)
provider_name
"OpenAI"
created_at
"2025-04-14T18:46:25.601544+00:00"
Monday, April 14th, 2025 at 6:46:25 PM GMT+00:00
model
"openai/gpt-4.1-nano-2025-04-14"
app_id
182717
streamed
true
cancelled
false
latency
496
moderation_latency
115
generation_time
1147
tokens_prompt
42
tokens_completion
154
native_tokens_prompt
42
native_tokens_completion
155
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
0.0000662
Evaluation details
Result
Evaluator
Details
Meta Data
72.2774%
Matches word count
n/a
neededClean
false
sentences
10
wordCounts
0
12
1
11
2
11
3
11
4
11
5
11
6
10
7
11
8
11
9
11