NC Bench
Overview
About
Tests
Models
Model
o4 Mini
Test
N-Length Sentences
Scenario
Write sentences with 10 words each
Run ID
2025-04-16-01JRZYWVJY4TYBM4NAXDHVRJEP
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
Lightning split the night sky as thunder rattled the manor. A solitary lamplight flickered within the damp hallway, revealing nothing. Detective Harper approached cautiously, footsteps echoing through the empty corridor. Sudden scream pierced the silence, freezing blood in every heart. Harper discovered Lady Ashcroft’s body sprawled across cold marble floor. A single dagger protruded grotesquely from her pale, silent chest. Blood stained the elegant gown she had worn moments earlier. A storm raged outside, hiding footsteps beyond the stone walls. Harper’s mind raced through suspects as candles guttered, shadows dancing. Somebody in this house knew secrets darker than any storm.
id
"gen-1744829312-69H5hFtBou3VSpcZNEIb"
upstream_id
"chatcmpl-BN26DI9qUHiLThyGUx1n1b7kY5HHB"
total_cost
0.0094919
cache_discount
(null)
provider_name
"OpenAI"
created_at
"2025-04-16T18:48:58.337665+00:00"
Wednesday, April 16th, 2025 at 6:48:58 PM GMT+00:00
model
"openai/o4-mini-2025-04-16"
app_id
182717
streamed
true
cancelled
false
latency
23354
moderation_latency
78
generation_time
24728
tokens_prompt
42
tokens_completion
2128
native_tokens_prompt
41
native_tokens_completion
2147
native_tokens_reasoning
1984
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
0.0094919
Evaluation details
Result
Evaluator
Details
Meta Data
100.0000%
Matches word count
n/a
neededClean
false
sentences
10
wordCounts
0
10
1
10
2
10
3
10
4
10
5
10
6
10
7
10
8
10
9
10