NC Bench
Overview
About
Tests
Models
Model
Gemini 2.5 Flash
Test
N-Length Sentences
Scenario
Write sentences with 5 words each
Run ID
2025-11-18-01KACPDEDWAG626FEPDZWD2FRT
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
Dust motes danced in beams. A crystal glinted on carpet. Lady Ashworth was quite dead. Her pearls lay scattered widely. A teacup lay on its side. Dark liquid stained the wood. Lord Ashworth clutched his chest. He knelt beside her still form. His weeping echoed in the room. A butler stood by the door. He gazed at the silent scene. His eyes held no emotion. Inspector Thorne arrived quite late. He surveyed the opulent room. This case felt very complex.
created_at
"2025-11-18T23:57:19.493069+00:00"
Tuesday, November 18th, 2025 at 11:57:19 PM GMT+00:00
model
"google/gemini-2.5-flash"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
445
moderation_latency
(null)
generation_time
1128
tokens_prompt
42
tokens_completion
123
native_tokens_prompt
37
native_tokens_completion
118
native_tokens_completion_images
0
native_tokens_reasoning
0
native_tokens_cached
0
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"STOP"
usage
0.0003061
api_type
"completions"
id
"gen-1763510237-OSaUgO9oxYL6fAc38KX1"
upstream_id
(null)
total_cost
0.0003061
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Google AI Studio"
Evaluation details
Result
Evaluator
Details
Meta Data
92.6267%
Matches word count
n/a
neededClean
false
sentences
15
wordCounts
0
5
1
5
2
5
3
5
4
6
5
5
6
5
7
6
8
6
9
6
10
6
11
5
12
5
13
5
14
5