Run: 2026-05-10-01KR8YPAT1WWEFVXZMEN9866K6

Run Details

Model:
Gemini 3.1 Flash Lite (Reasoning)
Test:
N-Length Sentences
Scenario:
Write sentences with 5 words each
Duration:
979ms
Cost:
$0.000116
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 5 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
Rain lashed the dark glass. Cold wind shook the frame. Arthur clutched his silver cane. Silence filled the grand hall. He sensed a hidden guest. Something moved behind the door. Sharp metal caught the light. The heavy blade struck fast. Arthur fell to the floor. Deep red stained the rug.
created_at"2026-05-10T12:44:45.258Z" 5/10/2026, 12:44:45 PM
model"google/gemini-3.1-flash-lite-20260507"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency544
moderation_latency(null)
generation_time864
tokens_prompt46
tokens_completion79
native_tokens_prompt37
native_tokens_completion71
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"
usage0.00011575
router(null)
provider_responses
0
endpoint_id"237af107-d2e9-46c7-b146-c74d75980dee"
id"vX0AaoHAG_mKmtkPk52r8QI"
is_byokfalse
latency544
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-1778417085-6bW0IWphzz1bKgYfJZo1"
session_id(null)
api_type"completions"
id"gen-1778417085-tBttzLTt9ldOWmcs8yuP"
upstream_id"vX0AaoHAG_mKmtkPk52r8QI"
total_cost0.00011575
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
sentences10
wordCounts
05
15
25
35
45
55
65
75
85
95