Model

Gemini 2.5 Pro

Test

N-Length Sentences

Scenario

Write sentences with 10 words each

Run ID

2025-11-18-01KACPBDDSHQ1G476YNB02WKCG

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
A cold autumn rain lashed against the tall library windows. His worn trench coat dripped water onto the Persian carpet. The master of this grand house was now entirely dead. A single dark stain bloomed across his crisp white shirt. His family stood huddled by the doorway, faces pale with shock. A grandfather clock ticked loudly, each second a heavy accusation. An overturned wine glass had bled red onto the carpet.
created_at"2025-11-18T23:56:28.972809+00:00" Tuesday, November 18th, 2025 at 11:56:28 PM GMT+00:00
model"google/gemini-2.5-pro" 
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1931
moderation_latency(null)
generation_time17574
tokens_prompt42
tokens_completion802
native_tokens_prompt38
native_tokens_completion2146
native_tokens_completion_images0
native_tokens_reasoning2068
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" 
usage0.0215075
api_type"completions" 
id"gen-1763510171-42q154LELgaXfSEZMnoS" 
upstream_id(null)
total_cost0.0215075
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio" 

Evaluation details

Result Evaluator Details Meta Data
96.2974% Matches word count n/a
neededCleanfalse
sentences7
wordCounts
010
110
210
310
411
510
610