Model

o4 Mini

Test

N-Length Sentences

Scenario

Write sentences with 10 words each

Run ID

2025-04-16-01JRZZ2APXPWH22RF7DZGR9RF4

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
Moonlight spilled across the library’s dusty mahogany floorboards, casting patterns. A single crimson droplet glinted ominously beside the oak desk. Something heavy shifted beneath the drapes with a muffled thud. Detective Marlowe entered, her pulse quickening at each tense breath. Silver-handled revolver lay discarded under bloodstained newspaper headlines from yesterday. A grandfather clock chimed midnight, echoing through the silent hallways. Shadows danced unnaturally across portraits whose eyes seemed dangerously alive. Her gloved hand hovered above the body’s cold, motionless form.
id"gen-1744829492-iHrvDu4vzcKawpr29Rd4" 
upstream_id"chatcmpl-BN296l37jl5mtqqpCk4l2fO6UuEtY" 
total_cost0.0105435
cache_discount(null)
provider_name"OpenAI" 
created_at"2025-04-16T18:51:58.062478+00:00" Wednesday, April 16th, 2025 at 6:51:58 PM GMT+00:00
model"openai/o4-mini-2025-04-16" 
app_id182717
streamedtrue
cancelledfalse
latency24163
moderation_latency102
generation_time25354
tokens_prompt42
tokens_completion2367
native_tokens_prompt41
native_tokens_completion2386
native_tokens_reasoning2240
num_media_prompt(null)
num_media_completion(null)
num_search_results(null)
origin"https://ncbench.com/" 
is_byokfalse
finish_reason"stop" 
native_finish_reason"stop" 
usage0.0105435

Evaluation details

Result Evaluator Details Meta Data
96.7602% Matches word count n/a
neededCleanfalse
sentences8
wordCounts
010
110
210
310
411
510
610
710