NC Bench
Overview
About
Tests
Models
Model
GPT-4.1
Test
N-Length Sentences
Scenario
Write sentences with 10 words each
Run ID
2025-04-14-01JRTSXM4WR0D6JVXH9YAW79XZ
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
Rain tapped softly on the library’s stained glass, a lullaby. Violet Sinclair entered, heels echoing somberly on polished oak floor. She paused, noticing the clock stopped at half past nine. A fire crackled in the hearth, casting flickering shadows everywhere. Detective Hamish Crane waited by the mantelpiece, gloves in hand. “Mrs. Sinclair, thank you for coming,” he said, voice grave. Violet’s eyes darted, finding red on her book’s spine. Crane nodded grimly, gesturing toward the velvet-draped armchair beside him. The silence between ticked with heavy tension, questions hanging unspoken. A thunderclap rattled windows as Violet whispered, “Is Gerald really dead?”
id
"gen-1744656323-jbZiJPW2KHFY6EbTI0oG"
upstream_id
"chatcmpl-BMJ63yQB6jM3174K9uQFvXTMngd6p"
total_cost
0.00138
cache_discount
(null)
provider_name
"OpenAI"
created_at
"2025-04-14T18:45:26.206106+00:00"
Monday, April 14th, 2025 at 6:45:26 PM GMT+00:00
model
"openai/gpt-4.1-2025-04-14"
app_id
182717
streamed
true
cancelled
false
latency
306
moderation_latency
95
generation_time
1858
tokens_prompt
42
tokens_completion
161
native_tokens_prompt
42
native_tokens_completion
162
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
0.00138
Evaluation details
Result
Evaluator
Details
Meta Data
92.2245%
Matches word count
n/a
neededClean
false
sentences
10
wordCounts
0
10
1
10
2
10
3
10
4
10
5
10
6
9
7
11
8
10
9
11