NC Bench
Overview
About
Tests
Models
Model
GPT-4.1
Test
N-Length Sentences
Scenario
Write sentences with 5 words each
Run ID
2025-04-14-01JRTSVBY2BJN4WVHYDXYSHABT
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
Messages
Meta
AI
Rain slid down dusty windowsills. A clock ticked, echoing gloom. Marjorie watched shadows silently crawl. A scream sliced through the silence. Footsteps thundered up the staircase. Blood pooled beneath the door. Her breath caught, heart pounding. The letter opener was missing. Lightning flashed, revealing a hand. Someone outside began to yell.
id
"gen-1744656249-ol8Fm207yl4br0l9tV6q"
upstream_id
"chatcmpl-BMJ4r0ujGvgM7jDSgTWcJHE5Ef1CD"
total_cost
0.000732
cache_discount
(null)
provider_name
"OpenAI"
created_at
"2025-04-14T18:44:10.763076+00:00"
Monday, April 14th, 2025 at 6:44:10 PM GMT+00:00
model
"openai/gpt-4.1-2025-04-14"
app_id
182717
streamed
true
cancelled
false
latency
325
moderation_latency
92
generation_time
637
tokens_prompt
42
tokens_completion
80
native_tokens_prompt
42
native_tokens_completion
81
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
0.000732
Evaluation details
Result
Evaluator
Details
Meta Data
97.7880%
Matches word count
n/a
neededClean
false
sentences
10
wordCounts
0
5
1
5
2
5
3
6
4
5
5
5
6
5
7
5
8
5
9
5