NC Bench
Overview
About
Tests
Models
Model
Gemini 2.5 Pro
Test
N-Length Sentences
Scenario
Write sentences with 5 words each
Run ID
2025-11-18-01KACPBPPC9FZF2B5XBTCBHG2D
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 old library was empty. Rain lashed against the glass. A single lamp lit desks. Spilled ink stained the carpet. The man sat very still. A knife protruded from him. His open eyes saw nothing.
created_at
"2025-11-18T23:56:33.554855+00:00"
Tuesday, November 18th, 2025 at 11:56:33 PM GMT+00:00
model
"google/gemini-2.5-pro"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
2786
moderation_latency
(null)
generation_time
12432
tokens_prompt
42
tokens_completion
484
native_tokens_prompt
37
native_tokens_completion
1199
native_tokens_completion_images
0
native_tokens_reasoning
1154
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
0.01203625
api_type
"completions"
id
"gen-1763510180-n5FRpeMVj22LaVu11cgm"
upstream_id
(null)
total_cost
0.01203625
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
7
wordCounts
0
5
1
5
2
5
3
5
4
5
5
5
6
5