Run: 2026-02-16-01KHKASRZ225R8P90N8TJFVJSB

Run Details

Duration:
18.1s
Cost:
$0.000612
Provider:
OpenAI

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
The fog clung to the harbor like a sly conspirator. Moonlight fractured across rippling water, revealing drowned letters beneath lanterns. A bell tolled somewhere unseen, summoning a roomful of strangers. In the study, a lamp hissed, abandoning a crimson silence. A body lay beneath velvet shadows, eyes open, mouth curved. The detective arrived quietly, cataloging scents of tobacco and rain. Footsteps echoed beyond doors, as rumors gnawed at polished brass. Every object whispered motive, every alibi wore fragile, glittering thread. Outside, a ship moaned, its hull sunk in unspoken guilt. Somewhere inside, a clock breathed, marking a day turning perilous.
created_at"2026-02-16T13:39:10.807048+00:00" 2/16/2026, 1:39:10 PM
model"openai/gpt-5-nano-2025-08-07"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2127
moderation_latency(null)
generation_time17879
tokens_prompt46
tokens_completion992
native_tokens_prompt41
native_tokens_completion1524
native_tokens_completion_images0
native_tokens_reasoning1344
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"completed"
usage0.00061165
router(null)
provider_responses
0
id"resp_0163cfb9288f75400169931dec95888195b32aeaf5cbb91d66"
status200
is_byokfalse
latency111
endpoint_id"50329d77-04e1-4979-a184-c33030289476"
provider_name"OpenAI"
model_permaslug"openai/gpt-5-nano-2025-08-07"
api_type"completions"
id"gen-1771249132-ZJbmg9OPNcRnbbsnpyml"
upstream_id"resp_0163cfb9288f75400169931dec95888195b32aeaf5cbb91d66"
total_cost0.00061165
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

Evaluation details

Result Evaluator Details Meta Data
100.0000% Matches word count n/a
neededCleanfalse
sentences10
wordCounts
010
110
210
310
410
510
610
710
810
910