NC Bench
Overview
About
Tests
Models
Model
Gemini 2.5 Flash
Test
N-Length Sentences
Scenario
Write sentences with 5 words each
Run ID
2025-11-18-01KACP7YEPA4BC6B4K0H9GPW8H
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 window. She lay there. Not moving. A crimson stain bloomed. Her breath left her. Cold gripped the room now. Fear took hold instantly. The phone rang shrill. It was him calling. His voice was calm. This was not right. Something felt quite wrong. A new dread rose swift.
created_at
"2025-11-18T23:54:19.04853+00:00"
Tuesday, November 18th, 2025 at 11:54:19 PM GMT+00:00
model
"google/gemini-2.5-flash"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
394
moderation_latency
(null)
generation_time
834
tokens_prompt
42
tokens_completion
67
native_tokens_prompt
37
native_tokens_completion
66
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
0.0001761
api_type
"completions"
id
"gen-1763510057-TZBhnsxtcwrcz2PcCpvZ"
upstream_id
(null)
total_cost
0.0001761
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Google AI Studio"
Evaluation details
Result
Evaluator
Details
Meta Data
63.5926%
Matches word count
n/a
neededClean
false
sentences
13
wordCounts
0
3
1
3
2
2
3
4
4
4
5
5
6
4
7
4
8
4
9
4
10
4
11
4
12
5