Run: 2026-07-25-01KYCTHD7P1SZH65BDCARBT64Q

Run Details

Duration:
773ms
Cost:
$0.000169
Provider:
Google AI Studio

Evaluation summary

Score Evaluator
Details Link
29.24% 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
Detective Miller stared at the lifeless body lying cold upon the damp floor of the dimly lit library. Heavy shadows stretched across the towering bookshelves while the ticking grandfather clock echoed loudly through the silent, oppressive room. Blood pooled slowly beneath the heavy mahogany desk where the wealthy victim had been sitting just hours before.
created_at"2026-07-25T14:23:18.279Z" 7/25/2026, 2:23:18 PM
model"google/gemini-3.5-flash-lite-20260721"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency295
moderation_latency(null)
generation_time666
tokens_prompt46
tokens_completion92
native_tokens_prompt38
native_tokens_completion63
native_tokens_completion_images0
native_tokens_reasoning0
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"default"
usage0.0001689
router(null)
provider_responses
0
endpoint_id"6bd8f433-79e1-416c-b407-1772eb796c9a"
id"1sZkaqebGI29_uMPx9_46Ak"
is_byokfalse
latency295
model_permaslug"google/gemini-3.5-flash-lite-20260721"
provider_name"Google AI Studio"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1784989398-6ZcO9nrhLJOuYFdKeTyX"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1784989398-nDRNx63peoNrqPKOh8KV"
upstream_id"1sZkaqebGI29_uMPx9_46Ak"
total_cost0.0001689
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
29.24% Matches word count n/a
neededCleanfalse
sentences3
wordCounts
018
119
218