Run: 2026-07-25-01KYCWQCAVDKJ1WVD46DYT4XRK

Run Details

Model:
Gemini 3.5 Flash Lite (Reasoning, Minimal)
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
Duration:
785ms
Cost:
$0.000201
Provider:
Google AI Studio

Evaluation summary

Score Evaluator
Details Link
0.84% 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
Heavy rain lashed against the frosted glass of the lonely mansion while thunder shook the dusty floorboards. Detective Vance stepped cautiously over the torn velvet rug and stared down at the lifeless body. Lord Blackwood lay completely motionless beside his mahogany desk, holding a silver pocket watch in his hand. A single drop of crimson blood dripped slowly from the ornate mahogany mantelpiece onto the cold floor.
created_at"2026-07-25T15:01:31.109Z" 7/25/2026, 3:01:31 PM
model"google/gemini-3.5-flash-lite-20260721"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency294
moderation_latency(null)
generation_time669
tokens_prompt46
tokens_completion105
native_tokens_prompt38
native_tokens_completion76
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"
usage0.0002014
router(null)
provider_responses
0
endpoint_id"6bd8f433-79e1-416c-b407-1772eb796c9a"
id"y89katHmD5PpjrEP7ai22QE"
is_byokfalse
latency294
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-1784991691-HYFfw4rFnP9jSpNxVLIl"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1784991691-S7d1Y5wL60YopVpU6WS0"
upstream_id"y89katHmD5PpjrEP7ai22QE"
total_cost0.0002014
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
0.84% Matches word count n/a
neededCleanfalse
sentences4
wordCounts
017
116
217
317