Model

GPT-4.1

Test

N-Length Sentences

Scenario

Write sentences with 10 words each

Run ID

2025-04-14-01JRTSXM4WR0D6JVXH9YAW79XZ

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 tapped softly on the library’s stained glass, a lullaby. Violet Sinclair entered, heels echoing somberly on polished oak floor. She paused, noticing the clock stopped at half past nine. A fire crackled in the hearth, casting flickering shadows everywhere. Detective Hamish Crane waited by the mantelpiece, gloves in hand. “Mrs. Sinclair, thank you for coming,” he said, voice grave. Violet’s eyes darted, finding red on her book’s spine. Crane nodded grimly, gesturing toward the velvet-draped armchair beside him. The silence between ticked with heavy tension, questions hanging unspoken. A thunderclap rattled windows as Violet whispered, “Is Gerald really dead?”
id"gen-1744656323-jbZiJPW2KHFY6EbTI0oG" 
upstream_id"chatcmpl-BMJ63yQB6jM3174K9uQFvXTMngd6p" 
total_cost0.00138
cache_discount(null)
provider_name"OpenAI" 
created_at"2025-04-14T18:45:26.206106+00:00" Monday, April 14th, 2025 at 6:45:26 PM GMT+00:00
model"openai/gpt-4.1-2025-04-14" 
app_id182717
streamedtrue
cancelledfalse
latency306
moderation_latency95
generation_time1858
tokens_prompt42
tokens_completion161
native_tokens_prompt42
native_tokens_completion162
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" 
usage0.00138

Evaluation details

Result Evaluator Details Meta Data
92.2245% Matches word count n/a
neededCleanfalse
sentences10
wordCounts
010
110
210
310
410
510
69
711
810
911