Run: 2026-05-19-01KS0V2P2AMP33KHWWDZN7R64D

Run Details

Duration:
10.1s
Cost:
$0.022989
Provider:
Google AI Studio

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
Rain lashed fiercely against the heavy leaded windows of Blackwood Manor, washing away the secrets hidden deep within its walls. Inside the locked study, Lord Harrington sat slumped over his mahogany desk, a silver letter opener protruding from his neck. Black ink had mingled with dark crimson blood on the unfinished letter, staining the expensive parchment a truly ghastly shade. Detective Miller stepped quietly into the silent room, his wet trench coat dripping cold rainwater onto the Persian rug below. He immediately noticed that the grandfather clock in the dark corner had stopped ticking at exactly four minutes past midnight. The locked windows suggested an inside job, meaning the desperate killer was definitely still hiding somewhere within this grand house.
created_at"2026-05-19T19:23:22.064Z" 5/19/2026, 7:23:22 PM
model"google/gemini-3.5-flash-20260519"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1418
moderation_latency(null)
generation_time9975
tokens_prompt46
tokens_completion1030
native_tokens_prompt38
native_tokens_completion2548
native_tokens_completion_images0
native_tokens_reasoning2413
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"standard"
usage0.022989
router(null)
provider_responses
0
endpoint_id"bd50061c-e1d8-469e-96b1-d322e77378f8"
id"qrgMapGNDefC1MkPjaiZmAs"
is_byokfalse
latency1418
model_permaslug"google/gemini-3.5-flash-20260519"
provider_name"Google AI Studio"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.15.0; linux; x64))"
http_referer(null)
request_id"req-1779218602-9j4jspkqnx95TEYA04xQ"
session_id(null)
api_type"completions"
id"gen-1779218602-Njy06R3CTMsM8al5ZEvN"
upstream_id"qrgMapGNDefC1MkPjaiZmAs"
total_cost0.022989
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences6
wordCounts
020
120
220
320
420
520