Run: 2026-02-16-01KHK9Q34178KEAN20325S9S64

Run Details

Duration:
35.4s
Cost:
$0.024311
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 battered Ashfield's sleeping windows. Detective Mara Quinn watched alone. The phone shattered midnight's silence. Unknown calls rarely brought good. She answered, voice already braced. 'Quinn here,' she said, listening. 'Detective, we found another one.' Static crawled behind the officer. Mara gripped yesterday's cold coffee. Bodies meant patterns, she believed. Patterns meant killers growing careless. Careless killers eventually met her. She scribbled the given address. Ashfield Museum, east service entrance. Public institutions complicated everything relentlessly. She shrugged on creaking leather. Holster settled against familiar bruises. Rain followed her down stairwell. The city smelled like endings. Blue lights painted the museum. Officers clustered near service doors. Whispers tightened when she approached. Sergeant Nolan met her halfway. He avoided looking directly back. 'You picked a stormy night.' She scanned his rain-glossed face. 'Bodies don't check weather reports.' Nolan swallowed, gesturing toward tape. Yellow ripples fluttered like warnings. Museum employees huddled under awning. Their uniforms soaked, eyes red. Fear clung tighter than raindrops. Mara raised her voice carefully. 'Who found the body tonight?' A young guard stepped forward. His nametag trembled against shirt. 'I did, in Restoration Room.' Mara watched his flickering pupils. Shock, maybe guilt, lived there. She ducked beneath the tape. Rain muted suddenly, door closing. The museum exhaled stale quiet. Security lights hummed above exhibits. Glass cases became watching eyes. Nolan's shoes squeaked behind her. 'You ever like this place?' 'Dead things pay my mortgage.' Their footsteps echoed toward Restoration. Chemical tang thickened with anticipation. The door waited, slightly ajar. Mara pushed, palm steady, entering. Bright lamps dissected the chamber. Paintings slept beneath plastic shrouds. One table broke the pattern. A woman lay upon canvas. Throat opened like another mouth. Her blood haloed stolen masterpiece. Mara's breath paused between heartbeats. Nolan whispered, already regretting words. 'Third curator this month, Quinn.' Mara finally saw the pattern. Someone was killing beauty's guardians.
created_at"2026-02-16T13:20:32.112131+00:00" 2/16/2026, 1:20:32 PM
model"openai/gpt-5.1-20251113"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency7853
moderation_latency(null)
generation_time35234
tokens_prompt46
tokens_completion1188
native_tokens_prompt41
native_tokens_completion2426
native_tokens_completion_images0
native_tokens_reasoning1899
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"
usage0.02431125
router(null)
provider_responses
0
id"resp_08583513ec005b6a016993197c211881968856bc764c1a9a6b"
status200
is_byokfalse
latency187
endpoint_id"764eb97f-8bab-4326-b29b-7a8799b00a70"
provider_name"OpenAI"
model_permaslug"openai/gpt-5.1-20251113"
api_type"completions"
id"gen-1771247996-pQS99zYOEEFuZf2GUONl"
upstream_id"resp_08583513ec005b6a016993197c211881968856bc764c1a9a6b"
total_cost0.02431125
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

Evaluation details

Result Evaluator Details Meta Data
99.6432% Matches word count n/a
neededCleanfalse
sentences62
wordCounts
05
15
25
35
45
55
65
75
85
95
105
115
125
135
145
155
165
175
185
195
205
215
225
235
245
256
265
275
285
295
305
315
325
335
345
355
365
375
385
395
405
415
425
435
445
455
465
475
485
495
505
515
525
535
545
555
565
575
585
595
605
615