Run: 2026-09-23-01M37PH5MQ7DWXWSF9DTGEHSF8

Run Details

Duration:
1m 50s
Cost:
$0.033695
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
The rain hammered hard against the tall glass windows of old Blackwood Manor as Detective Sarah Chen finally stepped inside. Lord Edmund's pale body lay sprawled across the Persian rug, his cold lifeless eyes staring at the ornate ceiling above. A silver letter opener protruded from his chest, and a glass of expensive brandy sat untouched on his mahogany desk. The elderly housekeeper had discovered him at dawn, screaming loudly enough to wake every single sleeping servant within the house. Now the entire study buzzed with quiet activity as uniformed officers photographed evidence and dusted every single surface for prints. Sarah knelt carefully down beside the body, quietly noting the strange and troubling absence of blood around the deep wound. The victim had clearly died somewhere else entirely before someone had carefully moved his cold body here after death occurred. Six grieving family members waited in the drawing room, each one hiding dark secrets behind their carefully composed, nervous faces. The raging storm outside grew even fiercer, cutting the electricity and plunging the entire manor into complete and utter darkness. When the lights finally flickered back on, the butler was gone, and the killer's deadly game had only just begun.
created_at"2026-09-23T17:55:33.163Z" 9/23/2026, 5:55:33 PM
model"aion-labs/aion-3.5-20260923"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency702
moderation_latency(null)
generation_time109872
tokens_prompt46
tokens_completion4542
native_tokens_prompt39
native_tokens_completion5611
native_tokens_completion_images(null)
native_tokens_reasoning4225
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)
usage0.03369525
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.20.0; linux; x64))"
http_referer(null)
request_id"req-1790186133-TFq0zgjLk0isvaml7LCd"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790186133-W3SXxb5GM24rQJuHfTeJ"
upstream_id"af294946ba3a4563b74ae02e71c9bfd6"
provider_responses
0
endpoint_id"09b1fc56-3888-42bd-b7a0-926851c7f9d6"
id"af294946ba3a4563b74ae02e71c9bfd6"
is_byokfalse
latency702
model_permaslug"aion-labs/aion-3.5-20260923"
provider_name"AionLabs"
status200
total_cost0.03369525
cache_discount0.00008775
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
sentences10
wordCounts
020
120
220
320
420
520
620
720
820
920