Run: 2026-02-16-01KHKB0XEH5677JS2JY66EX079

Run Details

Duration:
37.8s
Cost:
$0.024791
Provider:
OpenAI

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
Rain hammered the sleepy town. Neon flickered over deserted harborfront. Detective Mara Quinn watched silently. The sirens wailed behind her. Blue lights stained puddled asphalt. She tugged up her collar. November wind sliced through wool. Crime tape fluttered like bunting. Harbor patrol boats bobbed restlessly. Onlookers clustered by the railings. Voices hushed as Mara approached. Officer Delgado lifted the tape. "Evening, Detective. Nasty one tonight." Mara stepped past, boots crunching. Broken glass glittered among gravel. The body lay beside moorings. Male, mid-thirties, expensively dressed tonight. Rain collected in his eyes. Blood trailed toward the water. A silver watch ticked faintly. Mara crouched, studying each detail. Wallet untouched, phone missing entirely. Delgado shifted, breathing behind her. "Harbormaster says nobody heard anything." Mara noted the silent warehouses. Dark windows watched like jurors. Somewhere, rope creaked against pilings. She smelled oil, salt, diesel. "You ran him through dispatch?" "Name's Lucas Vane, investment consultant." Delgado checked notes, brow furrowing. "Lives uptown, near the promenade." Mara's gaze drifted toward darkness. A yacht engine coughed nearby. Rain blurred footprints across planks. Only one set approached Lucas. None turned away from him. "No struggle, no witness, nothing." Delgado swallowed, eyes on water. "You think this was random?" Mara studied the flawless suit. Fingers brushed a damp cufflink. Its emblem matched the harbormaster's. Outside, the tide kept rising.
created_at"2026-02-16T13:43:25.395242+00:00" 2/16/2026, 1:43:25 PM
model"openai/gpt-5.1-20251113"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency24908
moderation_latency(null)
generation_time37588
tokens_prompt46
tokens_completion990
native_tokens_prompt41
native_tokens_completion2474
native_tokens_completion_images0
native_tokens_reasoning2080
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"
usage0.02479125
router(null)
provider_responses
0
id"resp_0f9f4be211057fbf0169931ed68c1c8196b761ebcc41912c6b"
status200
is_byokfalse
latency154
endpoint_id"764eb97f-8bab-4326-b29b-7a8799b00a70"
provider_name"OpenAI"
model_permaslug"openai/gpt-5.1-20251113"
api_type"completions"
id"gen-1771249366-1q5Go3GHKEmNkTUdBQP7"
upstream_id"resp_0f9f4be211057fbf0169931ed68c1c8196b761ebcc41912c6b"
total_cost0.02479125
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

Evaluation details

Result Evaluator Details Meta Data
99.4973% Matches word count n/a
neededCleanfalse
sentences44
wordCounts
05
15
25
35
45
55
65
75
85
95
105
115
125
135
145
155
166
175
185
195
205
215
225
235
245
255
265
275
285
295
305
315
325
335
345
355
365
375
385
395
405
415
425
435