Model

GPT-4.1 Mini

Test

N-Length Sentences

Scenario

Write sentences with 20 words each

Run ID

2025-04-14-01JRTSTB743W82RZBV13PQPK25

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 20 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
The storm raged fiercely outside the old mansion where shadows danced beneath flickering candlelight’s trembling, eerie glow. Detective Morgan arrived just as midnight struck, sensing something ominous lurking behind the heavy wooden doors waiting. Inside the grand hall, a chilling silence enveloped the room, broken only by distant thunder crashing violently above. On the polished floor lay a lifeless body, face pale and eyes wide with frozen terror, unmoving. Clutched tightly in the victim’s hand was a mysterious note, written hurriedly in crimson ink, ominous and cryptic. The detective knelt down, carefully examining every detail, aware this was no ordinary crime scene. Suddenly, a faint sound echoed from the darkened hallway, footsteps approaching slowly, hoping to reveal hidden truths. Morgan steadied breath before calling out, voice firm and unwavering, demanding answers from the house’s restless shadows.
id"gen-1744656215-eotsP0GpmWpBTvS8pVkz" 
upstream_id"chatcmpl-BMJ4KNusbrTYLsWNTvOhlYdtaQHUv" 
total_cost0.0003016
cache_discount(null)
provider_name"OpenAI" 
created_at"2025-04-14T18:43:40.277724+00:00" Monday, April 14th, 2025 at 6:43:40 PM GMT+00:00
model"openai/gpt-4.1-mini-2025-04-14" 
app_id182717
streamedtrue
cancelledfalse
latency555
moderation_latency288
generation_time3090
tokens_prompt42
tokens_completion177
native_tokens_prompt42
native_tokens_completion178
native_tokens_reasoning0
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" 
usage0.0003016

Evaluation details

Result Evaluator Details Meta Data
4.0777% Matches word count n/a
neededCleanfalse
sentences8
wordCounts
017
117
218
317
418
515
617
717