Run: 2026-02-16-01KHKB6GXGAKGBFR5Y2WH23H6T

Run Details

Duration:
19.3s
Cost:
$0.011881
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
Rain hammered the station roof, drowning announcements in metallic thunder. Detective Mara Quinn watched puddles tremble beneath the fluorescent lights. The midnight train arrived late, shouldering fog like guilty conscience. Doors hissed open, exhaling travelers, coffee, diesel, and sleepless worry. Porter Alvarez pushed his trolley, eyes down, secretly counting suitcases. At carriage three, the door jammed halfway, shuddering like hesitation. A gloved hand appeared first, fingers splayed, reaching for nothing. Then the body spilled forward, folding gracelessly onto the platform. Passengers screamed, scattered, then circled back, curiosity beating with horror. Mara reached him quickly, though every instinct begged her backward. The man's throat gaped sideways, neat as an opened envelope. No blood flowed; it glittered, dark and clotted, already cooling. In his fist lay a ticket, edges torn, numbers smeared. On her own ticket, Mara recognized the same smeared numbers.
created_at"2026-02-16T13:46:10.190908+00:00" 2/16/2026, 1:46:10 PM
model"openai/gpt-5.1-20251113"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency4287
moderation_latency(null)
generation_time19159
tokens_prompt46
tokens_completion860
native_tokens_prompt41
native_tokens_completion1183
native_tokens_completion_images0
native_tokens_reasoning963
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"
usage0.01188125
router(null)
provider_responses
0
id"resp_08e35e92e95f96320169931f8e56408190a1abc023dfe97713"
status200
is_byokfalse
latency155
endpoint_id"764eb97f-8bab-4326-b29b-7a8799b00a70"
provider_name"OpenAI"
model_permaslug"openai/gpt-5.1-20251113"
api_type"completions"
id"gen-1771249550-hcFIMRgeuS0Wy3WKKvvK"
upstream_id"resp_08e35e92e95f96320169931f8e56408190a1abc023dfe97713"
total_cost0.01188125
cache_discount(null)
upstream_inference_cost0
provider_name"OpenAI"

Evaluation details

Result Evaluator Details Meta Data
100.0000% Matches word count n/a
neededCleanfalse
sentences14
wordCounts
010
110
210
310
410
510
610
710
810
910
1010
1110
1210
1310