Run: 2026-07-25-01KYCXTMJF7WYHXWCG651H2T3T

Run Details

Duration:
675ms
Cost:
$0.000166
Provider:
Google AI Studio

Evaluation summary

Score Evaluator
Details Link
13.53% 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 Vance stared coldly at the bloody corpse lying motionless across the expensive Persian rug in the library. Heavy rain lashed violently against the tall Victorian windows while distant thunder echoed ominously through the dark estate. No footprints existed anywhere outside because the freshly fallen snow remained completely undisturbed by any potential fleeing suspects.
created_at"2026-07-25T15:20:46.423Z" 7/25/2026, 3:20:46 PM
model"google/gemini-3.5-flash-lite-20260721"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency288
moderation_latency(null)
generation_time613
tokens_prompt46
tokens_completion98
native_tokens_prompt38
native_tokens_completion62
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"
usage0.0001664
router(null)
provider_responses
0
endpoint_id"6bd8f433-79e1-416c-b407-1772eb796c9a"
id"TtRkauWeHoHH-8YPg-bF0Q0"
is_byokfalse
latency288
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-1784992846-bRK9BLDGoZzItMKg65rO"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1784992846-iqjwtgepsvrvqVA4wglR"
upstream_id"TtRkauWeHoHH-8YPg-bF0Q0"
total_cost0.0001664
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
13.53% Matches word count n/a
neededCleanfalse
sentences3
wordCounts
018
118
218