Run: 2026-07-25-01KYD5H2Z66A78TGT25QZQ1RSX

Run Details

Duration:
29.7s
Cost:
$0.000074
Provider:
Poolside

Evaluation summary

Score Evaluator
Details Link
55.99% 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 old mansion loomed under a moonless sky, its windows dark and foreboding, as thunder rumbled ominously in the distance. Detective Sarah Whitmore stepped onto the creaking porch, her trench coat flapping in the chilly wind, clutching her notebook tightly. She discovered the butler's body sprawled beside the grand fireplace, a crimson rose clutched in his lifeless hand. The butler's daughter, trembling and wide-eyed, emerged from the shadows, her whispery voice breaking the silence with desperate pleas. A single candle flickered on the mantelpiece, casting eerie shadows that seemed to dance with malevolent intent. Something was very wrong here, Sarah realized, as unseen forces whispered warnings she couldn't decipher through the foggy night.
created_at"2026-07-25T17:35:22.274Z" 7/25/2026, 5:35:22 PM
model"poolside/laguna-xs-2.1-20260625"
app_id182717
external_user(null)
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cancelledfalse
latency78
moderation_latency(null)
generation_time28970
tokens_prompt46
tokens_completion658
native_tokens_prompt51
native_tokens_completion603
native_tokens_completion_images(null)
native_tokens_reasoning424
native_tokens_cached48
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)
usage0.00007398
router(null)
provider_responses
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endpoint_id"089ec178-f6dc-4450-aff5-46f68798ce97"
id"chatcmpl-54362a2c403246548415bf39bd3fbcdd"
is_byokfalse
latency75
model_permaslug"poolside/laguna-xs-2.1-20260625"
provider_name"Poolside"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1785000922-EXUdn75GGXQBdazdmRUn"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1785000922-eYCCNw3WFP8my5rrg7PL"
upstream_id"chatcmpl-54362a2c403246548415bf39bd3fbcdd"
total_cost0.00007398
cache_discount0.0000024
upstream_inference_cost0
provider_name"Poolside"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
55.99% Matches word count n/a
neededCleanfalse
sentences6
wordCounts
020
120
218
319
417
519