NC Bench
Overview
About
Tests
Models
Model
Gemini 2.5 Pro
Test
N-Length Sentences
Scenario
Write sentences with 5 words each
Run ID
2025-11-18-01KACP9FSKTH5F7W5PPN86H4DZ
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 tall windows. Detective Harding surveyed the room. Sir Alistair was finally dead. He lay beside the desk. A chess board was overturned. The white queen was missing. A woman wept in a chair. This was no simple robbery.
created_at
"2025-11-18T23:55:24.758415+00:00"
Tuesday, November 18th, 2025 at 11:55:24 PM GMT+00:00
model
"google/gemini-2.5-pro"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
2108
moderation_latency
(null)
generation_time
16531
tokens_prompt
42
tokens_completion
633
native_tokens_prompt
37
native_tokens_completion
1657
native_tokens_completion_images
0
native_tokens_reasoning
1606
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
0.01661625
api_type
"completions"
id
"gen-1763510107-CUXnr5cePANBVhgeYG7q"
upstream_id
(null)
total_cost
0.01661625
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
5
2
5
3
5
4
5
5
5
6
6
7
5