Run: 2026-02-16-01KHKAWQ3KPYBQHWM9B7TKM0Z8

Run Details

Duration:
22.3s
Cost:
$0.000920
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 marble streets as the city woke to whispers. In the alley, a body lay beneath flickering neon signs. Detective Mara Vance arrived, coat collar turned against rain tonight. Her notebook trembled as sirens approached without any mercy nearby. The victim wore a smile carved by fear and secrets. A single cigarette burned in his fingers, still smoldering softly. Vance surveyed the scene, noting lipstick prints and muddy footprints. Somewhere, a clock chimed three times, slicing through night air. The city seemed innocent, yet every shadow whispered motive hidden. Mara pocketed a photograph, a clue begging careful, relentless pursuit. Footsteps echoed behind her, allies or enemies awaiting the reveal. Some viewers whispered about a secret in the victim's past. The case would test loyalties, courage, and every careful alibi. Night pressed closer, staining the alley with possibilities and danger.
created_at"2026-02-16T13:40:51.528843+00:00" 2/16/2026, 1:40:51 PM
model"openai/gpt-5-nano-2025-08-07"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1837
moderation_latency(null)
generation_time22062
tokens_prompt46
tokens_completion928
native_tokens_prompt41
native_tokens_completion2294
native_tokens_completion_images0
native_tokens_reasoning2048
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"
usage0.00091965
router(null)
provider_responses
0
id"resp_0ed42d7bfd15838e0169931e4d00888197baea2e8d4a3f6c6e"
status200
is_byokfalse
latency115
endpoint_id"50329d77-04e1-4979-a184-c33030289476"
provider_name"OpenAI"
model_permaslug"openai/gpt-5-nano-2025-08-07"
api_type"completions"
id"gen-1771249228-hWFJcNZTFxxEvg29JZVk"
upstream_id"resp_0ed42d7bfd15838e0169931e4d00888197baea2e8d4a3f6c6e"
total_cost0.00091965
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