Model

Gemini 2.5 Pro

Test

N-Length Sentences

Scenario

Write sentences with 5 words each

Run ID

2025-11-18-01KACPAKKZWFP4QDR4BFK7GS3C

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

AI
Rain lashed against the windows. The old library was still. Detective Miles entered the room. A body sprawled by fire. Lord Ashworth was quite dead. His eyes stared at nothing. Blood stained the white rug. A teacup lay shattered nearby. The grandfather clock chimed once.
created_at"2025-11-18T23:56:02.643564+00:00" Tuesday, November 18th, 2025 at 11:56:02 PM GMT+00:00
model"google/gemini-2.5-pro" 
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2665
moderation_latency(null)
generation_time17556
tokens_prompt42
tokens_completion703
native_tokens_prompt37
native_tokens_completion1791
native_tokens_completion_images0
native_tokens_reasoning1733
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" 
usage0.01795625
api_type"completions" 
id"gen-1763510144-T1ehBN44ldGIRw9so7c8" 
upstream_id(null)
total_cost0.01795625
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio" 

Evaluation details

Result Evaluator Details Meta Data
100.0000% Matches word count n/a
neededCleanfalse
sentences9
wordCounts
05
15
25
35
45
55
65
75
85