Run: 2026-07-25-01KYCTRNHA41HTGPWW6Y8Z2TDB

Run Details

Duration:
1.2s
Cost:
$0.000174
Provider:
Google AI Studio

Evaluation summary

Score Evaluator
Details Link
25.10% 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 coldly at the bloody corpse lying motionless beneath the dim, flickering chandelier of the grand mansion. Heavy rain battered against the frosted glass window while ominous shadows danced slowly across the expensive Persian rug. Someone had violently ended the wealthy old man's life before midnight, leaving behind no obvious clues whatsoever.
created_at"2026-07-25T14:27:16.147Z" 7/25/2026, 2:27:16 PM
model"google/gemini-3.5-flash-lite-20260721"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency315
moderation_latency(null)
generation_time675
tokens_prompt46
tokens_completion94
native_tokens_prompt38
native_tokens_completion65
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"
usage0.0001739
router(null)
provider_responses
0
endpoint_id"6bd8f433-79e1-416c-b407-1772eb796c9a"
id"xMdkaqX5LrrwjMcPureaqAg"
is_byokfalse
latency315
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-1784989636-itgjd7mswLqQBAKZoiPb"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1784989636-yoYfx4UwP7R2D3YNeBWB"
upstream_id"xMdkaqX5LrrwjMcPureaqAg"
total_cost0.0001739
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
25.10% Matches word count n/a
neededCleanfalse
sentences3
wordCounts
019
118
217