Model

Gemini 2.5 Flash

Test

N-Length Sentences

Scenario

Write sentences with 10 words each

Run ID

2025-11-18-01KACPC7ENKFE0Y3R5FXNNCR4G

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 10 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
Rain lashed hard against the grimy diner window. Coffee steam swirled, obscuring the chilly autumn night. Detective Miles Corbin rubbed a tired hand across his face. He watched the scattered patrons, mostly weary truckers. A sudden siren wailed in the distant city streets. That sound rarely brought good news to his quiet town. Flo was wiping tables with a practiced, brisk motion. She paused, listening intently to the growing noise. Miles sighed, knowing his peaceful evening was now over. He pulled out his phone, dreading the impending call.
created_at"2025-11-18T23:56:39.413466+00:00" Tuesday, November 18th, 2025 at 11:56:39 PM GMT+00:00
model"google/gemini-2.5-flash" 
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency394
moderation_latency(null)
generation_time1085
tokens_prompt42
tokens_completion124
native_tokens_prompt38
native_tokens_completion119
native_tokens_completion_images0
native_tokens_reasoning0
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/" 
is_byokfalse
finish_reason"stop" 
native_finish_reason"STOP" 
usage0.0003089
api_type"completions" 
id"gen-1763510197-191Y4mwpqDDxaZfCpCfz" 
upstream_id(null)
total_cost0.0003089
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio" 

Evaluation details

Result Evaluator Details Meta Data
61.6805% Matches word count n/a
neededCleanfalse
sentences10
wordCounts
08
18
210
38
49
510
69
78
89
99