Run: 2026-04-24-01KQ04471BPH94X594YB6T8P9G

Run Details

Duration:
2.3s
Cost:
$0.000492
Provider:
Amazon Bedrock

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
Fog clung to the narrow cobblestones as the clock struck midnight, ushering ominous whispers through the deserted town of silence. Detective Marlowe arrived, trench coat dripping, eyes scanning shadows, unaware that a lifeless body awaited beneath the ancient lamppost there. A crimson scarf fluttered from the victim’s hand, glinting eerily, hinting at secrets nobody dared to reveal in the dark. Marlowe knelt, inhaling coppery perfume, his mind racing through past cases, searching for the elusive, poisonous motive that lingered still. Suddenly, distant church bells tolled, echoing grief, as a cold wind extinguished every flickering candle inside the manor of silence.
created_at"2026-04-24T16:10:51.318Z" 4/24/2026, 4:10:51 PM
model"openai/gpt-oss-120b"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2156
moderation_latency(null)
generation_time2271
tokens_prompt46
tokens_completion809
native_tokens_prompt102
native_tokens_completion794
native_tokens_completion_images(null)
native_tokens_reasoning639
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"end_turn"
usage0.0004917
router(null)
provider_responses
0
endpoint_id"b3f80c05-e31a-44f6-b63f-414467b87553"
id"f94a2013-777d-4a93-b908-45003686fdc8"
is_byokfalse
latency291
model_permaslug"openai/gpt-oss-120b"
provider_name"Amazon Bedrock"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1777047051-znzswuIrrJii1ZCcaJKt"
session_id(null)
api_type"completions"
id"gen-1777047051-rTpLTwZl2TzisVxCaYy2"
upstream_id"f94a2013-777d-4a93-b908-45003686fdc8"
total_cost0.0004917
cache_discount(null)
upstream_inference_cost0
provider_name"Amazon Bedrock"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences5
wordCounts
020
120
220
320
420