Run: 2025-04-14-01JRTSW5C4QZAZYCYJPQHQZDXA

Run Details

Model:
GPT-4.1 Nano
Test:
N-Length Sentences
Scenario:
Write sentences with 5 words each
Duration:
973ms
Cost:
$0.000025
Provider:
OpenAI

Evaluation summary

Score Evaluator
Details Link
88.94% Matches word count (details)

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
The rain began softly falling again. Footsteps echoed across empty hallways. A shadow lurked behind closed doors. Silent whispers filled the chilly air. Suddenly, a loud scream pierced. Lights flickered in the darkness.
id"gen-1744656275-UqpQRvksHswmkT8n408F"
upstream_id"chatcmpl-BMJ5HuDM0MJC0Q6KYNu0tP2GASqc3"
total_cost0.0000246
cache_discount(null)
provider_name"OpenAI"
created_at"2025-04-14T18:44:36.419816+00:00" 4/14/2025, 6:44:36 PM
model"openai/gpt-4.1-nano-2025-04-14"
app_id182717
streamedtrue
cancelledfalse
latency248
moderation_latency96
generation_time152
tokens_prompt42
tokens_completion50
native_tokens_prompt42
native_tokens_completion51
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"
usage0.0000246

Evaluation details

Result Evaluator Details Meta Data
88.94% Matches word count n/a
neededCleanfalse
sentences6
wordCounts
06
15
26
36
45
55