Run: 2026-07-07-01KWZ3H7Y5HNB9JWG96N87MYNR

Run Details

Duration:
3m 17s
Cost:
$0.009395
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 grand old mansion's library lay silent beneath the chandelier's dying candlelight on the cold night of winter's first fall. The butler stopped when he saw the body slumped over the desk with shock and hand flew to his mouth. A silver letter opener lay embedded in his chest, bloodstained and cruel, his face frozen in surprise at final moment. The detective arrived later, scanning and seeing drawn curtains and a single empty glass while looking for clue of struggle. No footprints were found in fresh snow outside the library window meaning the killer must still be inside the house. The detective looked at the butler and asked him where he had been that night, but he stammered in reply. A single blood-stained glove sat under the chair unseen by all until now, and the detective noticed it in silence.
created_at"2026-07-07T20:15:26.163Z" 7/7/2026, 8:15:26 PM
model"aion-labs/aion-3.0-mini-20260707"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1266
moderation_latency(null)
generation_time197091
tokens_prompt46
tokens_completion4800
native_tokens_prompt38
native_tokens_completion6692
native_tokens_completion_images(null)
native_tokens_reasoning4588
native_tokens_cached0
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)
usage0.0093954
router(null)
provider_responses
0
endpoint_id"0ad7ab68-a351-4a96-b2ef-fa8fe13adae3"
id"78985f70f45f41ada4ba14e4ded56bf9"
is_byokfalse
latency1265
model_permaslug"aion-labs/aion-3.0-mini-20260707"
provider_name"AionLabs"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1783455326-DAfl6yx7m41C5oad98yD"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1783455326-hvg15Jqx8ZL1N927m3yk"
upstream_id"78985f70f45f41ada4ba14e4ded56bf9"
total_cost0.0093954
cache_discount(null)
upstream_inference_cost0
provider_name"AionLabs"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences7
wordCounts
020
120
220
320
420
520
620