Run: 2026-05-10-01KR8VP23RC1TJFWF8A0QYQS6F

Run Details

Model:
Gemini 3.1 Flash Lite (Reasoning)
Test:
N-Length Sentences
Scenario:
Write sentences with 10 words each
Duration:
907ms
Cost:
$0.000100
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 10 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
The heavy rain drummed against the cold and dark window. Arthur slumped over his desk with a pen in hand. A single drop of crimson stained the white silk sheet. Silence filled the dusty room while the tall clock ticked. Nobody heard the killer slip away into the deep night.
created_at"2026-05-10T11:52:10.624Z" 5/10/2026, 11:52:10 AM
model"google/gemini-3.1-flash-lite-20260507"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency541
moderation_latency(null)
generation_time798
tokens_prompt46
tokens_completion72
native_tokens_prompt38
native_tokens_completion60
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"
usage0.0000995
router(null)
provider_responses
0
endpoint_id"237af107-d2e9-46c7-b146-c74d75980dee"
id"anEAavndMY67qtsP58DUuQ4"
is_byokfalse
latency541
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-1778413930-uWW0sPaxSGWOXUR3nJIx"
session_id(null)
api_type"completions"
id"gen-1778413930-wROT2EXKN9InTInz0aTA"
upstream_id"anEAavndMY67qtsP58DUuQ4"
total_cost0.0000995
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
sentences5
wordCounts
010
110
210
310
410