Run: 2026-07-25-01KYD501RCQQY960247R1X1S42

Run Details

Duration:
56.2s
Cost:
$0.001273
Provider:
Poolside

Evaluation summary

Score Evaluator
Details Link
9.15% 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 fog clung ominously to the mansion's ancient, weathered grounds, whispering secrets as the clock struck midnight. Detective Marlowe entered, his coat dripping as he surveyed the scene with a grim look. The body lay sprawled near the fireplace, a crimson stain blooming on the pristine, white carpet, a grim testament. The butler, Jenkins, stood nearby, his hands trembling as he wiped his palms on his apron. Sir Reginald, the wealthy philanthropist, had been dead for hours, his face frozen in a pure terror. Detective Marlowe knelt, noting the precise positioning of the body and the lack of a forced entry. A bloodstained note lay nearby, its message chilling: 'You should have known me better.' Detective Marlowe's mind raced, piecing together motives, secrets, and betrayals that led to this deadly, fatal, and very tragic night.
created_at"2026-07-25T17:26:03.796Z" 7/25/2026, 5:26:03 PM
model"poolside/laguna-xs-2.1-20260625"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency78
moderation_latency(null)
generation_time55277
tokens_prompt46
tokens_completion7327
native_tokens_prompt51
native_tokens_completion10580
native_tokens_completion_images(null)
native_tokens_reasoning10378
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)
usage0.00127266
router(null)
provider_responses
0
endpoint_id"089ec178-f6dc-4450-aff5-46f68798ce97"
id"chatcmpl-1241dbe99dcf45f48d3976cb32153b15"
is_byokfalse
latency78
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-1785000363-iphzokY7zQLtnBFRXxKR"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1785000363-t3GoRaRqmmzO4AcgRRT3"
upstream_id"chatcmpl-1241dbe99dcf45f48d3976cb32153b15"
total_cost0.00127266
cache_discount(null)
upstream_inference_cost0
provider_name"Poolside"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
9.15% Matches word count n/a
neededCleanfalse
sentences7
wordCounts
017
115
219
316
417
517
634