Run: 2026-09-24-01M39W6GCP0VCSZD4HH5WGJP4Z

Run Details

Duration:
1m 21s
Cost:
$0.006265
Provider:
AionLabs

Evaluation summary

Score Evaluator
Details Link
100.00% Matches word count (details)

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 20 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
Detective Sarah Chen arrived at the crumbling old Victorian mansion just as the thick morning fog began to lift slowly. A single strip of yellow police tape stretched across the front porch, guarding the secrets hidden within those weathered walls. Inside, the lifeless body of wealthy industrialist Marcus Whitmore lay crumpled at the base of his own grand spiral staircase. His cold gray eyes remained open, staring up at the ornate ceiling above with an expression of pure frozen terror. Sarah noticed immediately that the heavy mahogany front door had been locked from the inside, ruling out any stranger's entry. Someone inside this house had killed him, and every single guest would become a suspect before this cold day ended. The elderly housekeeper claimed she heard nothing unusual during the night, though her trembling hands told quite a different story. Sarah studied the grand staircase carefully, noting the polished banister and the Persian carpet running down every single wooden step. There were no visible marks of struggle, no overturned furniture, and absolutely no signs that anyone had forced their entry. Yet something felt deeply wrong about this entire scene, something that whispered of carefully planned deception and a killer's patience. Sarah pulled out her worn notebook and began writing down every detail, knowing that one small clue could break everything. Outside the tall window, the morning fog had finally cleared, revealing the extensive gardens where the household staff now gathered. Among them stood a tall man dressed in black, watching her through the glass with eyes that showed no emotion. Sarah met his cold gaze and held it, silently promising that she would find the truth no matter the cost. The deadly game had only just begun, and somewhere within these ancient walls, a murderer was already watching her movements.
created_at"2026-09-24T14:13:04.037Z" 9/24/2026, 2:13:04 PM
model"aion-labs/aion-3.5-mini-20260923"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1090
moderation_latency(null)
generation_time81423
tokens_prompt46
tokens_completion3860
native_tokens_prompt39
native_tokens_completion4470
native_tokens_completion_images(null)
native_tokens_reasoning3392
native_tokens_cached39
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"stop"
service_tier(null)
usage0.00626502
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1790259184-RMYIQPI3BIlHlN9W8fTi"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790259184-akUA38Pu8RMDfRHKahA8"
upstream_id"8ea6ce4a27254eaca58ec64c18e19669"
provider_responses
0
endpoint_id"60ac3bdc-90ec-4769-9193-2c00b4d79562"
id"8ea6ce4a27254eaca58ec64c18e19669"
is_byokfalse
latency1089
model_permaslug"aion-labs/aion-3.5-mini-20260923"
provider_name"AionLabs"
status200
total_cost0.00626502
cache_discount0.00002028
upstream_inference_cost0
provider_name"AionLabs"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences15
wordCounts
020
120
220
320
420
520
620
720
820
920
1020
1120
1220
1320
1420