NC Bench
Overview
About
Tests
Models
Model
Gemini 2.5 Flash
Test
N-Length Sentences
Scenario
Write sentences with 5 words each
Run ID
2025-11-18-01KACP9V6VX3DBMJ6YTX3761MT
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 slicked the city street. A body lay sprawled there. Detective Miles arrived on scene. His eyes scanned the pavement. Dark blood stained the asphalt. A single rose rested nearby. Miles knelt with a grim face. This felt deeply personal now. He had seen this before. The cold case resurfaced fast.
created_at
"2025-11-18T23:55:20.967934+00:00"
Tuesday, November 18th, 2025 at 11:55:20 PM GMT+00:00
model
"google/gemini-2.5-flash"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
548
moderation_latency
(null)
generation_time
962
tokens_prompt
42
tokens_completion
74
native_tokens_prompt
37
native_tokens_completion
74
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
0.0001961
api_type
"completions"
id
"gen-1763510119-bcJf65MeU9LUkPVW2P00"
upstream_id
(null)
total_cost
0.0001961
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Google AI Studio"
Evaluation details
Result
Evaluator
Details
Meta Data
97.7880%
Matches word count
n/a
neededClean
false
sentences
10
wordCounts
0
5
1
5
2
5
3
5
4
5
5
5
6
6
7
5
8
5
9
5