NC Bench
Overview
About
Tests
Models
Model
GPT-4.1 Nano
Test
N-Length Sentences
Scenario
Write sentences with 5 words each
Run ID
2025-04-14-01JRTSYKRRV5PD1F7A2WS5WRBA
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
The clock struck midnight sharply. Shadows loomed behind closed doors. A scream shattered silent air. Candles flickered with sudden gusts. Footsteps echoed down dark hall. Oil lamp cast eerie glow. Nellie’s body was discovered. Blood stained the polished floor. Detective Morris examined the scene. A torn letter lay nearby.
id
"gen-1744656355-4Ji0hiwxBVqgBSdYXugu"
upstream_id
"chatcmpl-BMJ6Z2Nl4dVeV6jjGcK2NUzwV6BOk"
total_cost
0.0000358
cache_discount
(null)
provider_name
"OpenAI"
created_at
"2025-04-14T18:45:56.97036+00:00"
Monday, April 14th, 2025 at 6:45:56 PM GMT+00:00
model
"openai/gpt-4.1-nano-2025-04-14"
app_id
182717
streamed
true
cancelled
false
latency
382
moderation_latency
115
generation_time
499
tokens_prompt
42
tokens_completion
78
native_tokens_prompt
42
native_tokens_completion
79
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
0.0000358
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
5
4
5
5
5
6
4
7
5
8
5
9
5