Run: 2026-05-10-01KR8Y7S49EA3Z6E286WPE1CBQ

Run Details

Duration:
8.9s
Cost:
$0.000041
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
The heavy velvet curtains parted slowly to reveal the silent body lying perfectly still upon the dark and polished floor.
created_at"2026-05-10T12:36:48.4Z" 5/10/2026, 12:36:48 PM
model"google/gemini-3.1-flash-lite-20260507"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency701
moderation_latency(null)
generation_time8792
tokens_prompt46
tokens_completion31
native_tokens_prompt38
native_tokens_completion21
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"standard"
usage0.000041
router(null)
provider_responses
0
endpoint_id"237af107-d2e9-46c7-b146-c74d75980dee"
id"4HsAao76JbiHz7IPgsK2eQ"
is_byokfalse
latency701
model_permaslug"google/gemini-3.1-flash-lite-20260507"
provider_name"Google AI Studio"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1778416608-GJOcPh5V7j3ifnvetGzz"
session_id(null)
api_type"completions"
id"gen-1778416608-r4rWhw2oVBmOPfPOfPYi"
upstream_id"4HsAao76JbiHz7IPgsK2eQ"
total_cost0.000041
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
sentences1
wordCounts
020