Run: 2026-05-19-01KS0TKJZWRDKHD9YCDTXANZQV

Run Details

Model:
Gemini 3.5 Flash (Reasoning)
Test:
N-Length Sentences
Scenario:
Write sentences with 5 words each
Duration:
5.6s
Cost:
$0.011260
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
Cold rain beat the glass. Thunder shook the old mansion. Lord Black lay very still. Red blood stained the carpet. His silver watch had stopped. Midnight struck just minutes ago. Detective Miller opened the door. He smelled sweet, burnt almonds. A gold key was missing. The killer was still inside.
created_at"2026-05-19T19:15:07.393Z" 5/19/2026, 7:15:07 PM
model"google/gemini-3.5-flash-20260519"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1760
moderation_latency(null)
generation_time5546
tokens_prompt46
tokens_completion366
native_tokens_prompt37
native_tokens_completion1245
native_tokens_completion_images0
native_tokens_reasoning1184
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"
usage0.0112605
router(null)
provider_responses
0
endpoint_id"bd50061c-e1d8-469e-96b1-d322e77378f8"
id"u7YMaoroIJDwjrEPkdeWyA4"
is_byokfalse
latency1760
model_permaslug"google/gemini-3.5-flash-20260519"
provider_name"Google AI Studio"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.15.0; linux; x64))"
http_referer(null)
request_id"req-1779218107-vQ27PpfeGkCR01XH6QKV"
session_id(null)
api_type"completions"
id"gen-1779218107-Nxn518vDudsLsahSEokz"
upstream_id"u7YMaoroIJDwjrEPkdeWyA4"
total_cost0.0112605
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