Run: 2026-05-10-01KR8Y563E24QKGA5G88X3JMZF

Run Details

Model:
Gemini 3.1 Flash Lite (Reasoning)
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
Duration:
22.7s
Cost:
$0.000083
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 storm lashed against the manor windows while lightning flickered briefly over the pale, cold body upon the library floor. Lord Harrington lay twisted in the shadows, his silk cravat stained deep crimson as the grandfather clock chimed midnight once.
created_at"2026-05-10T12:35:23.38Z" 5/10/2026, 12:35:23 PM
model"google/gemini-3.1-flash-lite-20260507"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency22586
moderation_latency(null)
generation_time22595
tokens_prompt46
tokens_completion65
native_tokens_prompt38
native_tokens_completion49
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"
usage0.000083
router(null)
provider_responses
0
endpoint_id"237af107-d2e9-46c7-b146-c74d75980dee"
id"i3sAau_RI9K_qtsPvMGzuQE"
is_byokfalse
latency22586
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-1778416523-HPHpA4oX0siTIbGCiPm2"
session_id(null)
api_type"completions"
id"gen-1778416523-KRFbi76MVhMK47xcnNgm"
upstream_id"i3sAau_RI9K_qtsPvMGzuQE"
total_cost0.000083
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
sentences2
wordCounts
020
120