NC Bench
Overview
About
Tests
Models
Model
Gemini 2.5 Pro
Test
N-Length Sentences
Scenario
Write sentences with 5 words each
Run ID
2025-11-18-01KACPCXXBZQS62GJ9TRT2ZP96
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 grandfather clock struck midnight. Thunder rattled the windowpanes. He lay upon the carpet. His vacant eyes stared upwards. A single red rose wilted. It rested on his chest. No one heard the scream. The killer was long gone.
created_at
"2025-11-18T23:57:14.046771+00:00"
Tuesday, November 18th, 2025 at 11:57:14 PM GMT+00:00
model
"google/gemini-2.5-pro"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
2393
moderation_latency
(null)
generation_time
12740
tokens_prompt
42
tokens_completion
521
native_tokens_prompt
37
native_tokens_completion
1299
native_tokens_completion_images
0
native_tokens_reasoning
1255
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
0.01303625
api_type
"completions"
id
"gen-1763510220-xyHILPwsjB7Aiy9TuWVq"
upstream_id
(null)
total_cost
0.01303625
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Google AI Studio"
Evaluation details
Result
Evaluator
Details
Meta Data
97.2350%
Matches word count
n/a
neededClean
false
sentences
8
wordCounts
0
5
1
4
2
5
3
5
4
5
5
5
6
5
7
5