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Run: 2026-09-24-01M39W6GCP0VCSZD4HH5WGJP4Z
Run Details
Model:
Aion 3.5 Mini (Reasoning, High)
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
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
Messages
Meta
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_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
1090
moderation_latency
(null)
generation_time
81423
tokens_prompt
46
tokens_completion
3860
native_tokens_prompt
39
native_tokens_completion
4470
native_tokens_completion_images
(null)
native_tokens_reasoning
3392
native_tokens_cached
39
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
num_fetches
(null)
web_search_engine
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"stop"
service_tier
(null)
usage
0.00626502
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_byok
false
latency
1089
model_permaslug
"aion-labs/aion-3.5-mini-20260923"
provider_name
"AionLabs"
status
200
total_cost
0.00626502
cache_discount
0.00002028
upstream_inference_cost
0
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
neededClean
false
sentences
15
wordCounts
0
20
1
20
2
20
3
20
4
20
5
20
6
20
7
20
8
20
9
20
10
20
11
20
12
20
13
20
14
20