NC Bench
Overview
About
Tests
Models
Model
Gemini 2.5 Pro
Test
N-Length Sentences
Scenario
Write sentences with 5 words each
Run ID
2025-11-18-01KACP86Q8S44DXR6C9HJCHH8K
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
Rain lashed the window panes. Detective Harding pushed the door. The grand library was silent. Red stained the Persian carpet. Lord Ashworth was quite still. His eyes stared at nothing. A teacup lay shattered nearby. The fireplace was dark now. Every shadow held a secret. The long night had begun.
created_at
"2025-11-18T23:54:44.676033+00:00"
Tuesday, November 18th, 2025 at 11:54:44 PM GMT+00:00
model
"google/gemini-2.5-pro"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
1997
moderation_latency
(null)
generation_time
18026
tokens_prompt
42
tokens_completion
839
native_tokens_prompt
37
native_tokens_completion
1799
native_tokens_completion_images
0
native_tokens_reasoning
1735
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
0.01803625
api_type
"completions"
id
"gen-1763510065-S8YFDsB3qnNPNbxHq0sc"
upstream_id
(null)
total_cost
0.01803625
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Google AI Studio"
Evaluation details
Result
Evaluator
Details
Meta Data
100.0000%
Matches word count
n/a
neededClean
false
sentences
10
wordCounts
0
5
1
5
2
5
3
5
4
5
5
5
6
5
7
5
8
5
9
5