NC Bench
Overview
About
Tests
Models
Model
GPT-4.1 Mini
Test
N-Length Sentences
Scenario
Write sentences with 20 words each
Run ID
2025-04-14-01JRTSTXKWVXPE9R98Y4CJAXX7
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
Fog rolled thickly through the ancient town as Detective Marlowe stepped cautiously beneath flickering streetlamps, searching for silent clues. A distant owl hooted eerily while shadows danced on cobblestones, suggesting secrets hidden in every darkened alleyway nearby. The corpse lay sprawled awkwardly beneath a broken window, blood pooling slowly, marking the sinister scene in crimson hues. Whispers from frightened witnesses filled the cold night air, hinting at betrayals and motives tangled within complex human relationships. Marlowe knelt carefully, noting a peculiar ring glinting faintly beside the victim’s hand, its significance yet to be understood clearly.
id
"gen-1744656234-vq4px1pRkeClt2UXwWQd"
upstream_id
"chatcmpl-BMJ4cDlbV2RbkX99nVBgKLQnjo62P"
total_cost
0.0002344
cache_discount
(null)
provider_name
"OpenAI"
created_at
"2025-04-14T18:43:56.861267+00:00"
Monday, April 14th, 2025 at 6:43:56 PM GMT+00:00
model
"openai/gpt-4.1-mini-2025-04-14"
app_id
182717
streamed
true
cancelled
false
latency
491
moderation_latency
96
generation_time
704
tokens_prompt
42
tokens_completion
135
native_tokens_prompt
42
native_tokens_completion
136
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
0.0002344
Evaluation details
Result
Evaluator
Details
Meta Data
59.0985%
Matches word count
n/a
neededClean
false
sentences
5
wordCounts
0
19
1
18
2
19
3
19
4
20