Run: 2026-09-02-01M1HHP9QQJPHB6F6YM6EK7HEF

Run Details

Model:
Gemini 3.8 Flash (Reasoning, Medium)
Test:
N-Length Sentences
Scenario:
Write sentences with 5 words each
Duration:
6.5s
Cost:
$0.007411
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
Heavy rain battered the glass. Midnight struck the grand clock. Lord Blackwood lay very still. Crimson blood pooled beneath him. A silver dagger pierced deep. Muddy footprints tracked the floor. The heavy oak door creaked. Footsteps vanished down the hall. Someone watched from the shadows. The deadly game had begun.
created_at"2026-09-02T17:11:58.975Z" 9/2/2026, 5:11:58 PM
model"google/gemini-3.8-flash-20260902"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2236
moderation_latency(null)
generation_time6472
tokens_prompt46
tokens_completion474
native_tokens_prompt37
native_tokens_completion1969
native_tokens_completion_images0
native_tokens_reasoning1905
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"
usage0.0074115
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788369118-tRredNXG6SSB5j9sPz0J"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788369118-w6w348usxK7P3T0bIw6A"
upstream_id"31iYas-aA82x1MkPloLkiQE"
provider_responses
0
endpoint_id"d376f781-516d-42f9-936d-46f19abca6cc"
id"31iYas-aA82x1MkPloLkiQE"
is_byokfalse
latency2235
model_permaslug"google/gemini-3.8-flash-20260902"
provider_name"Google AI Studio"
status200
total_cost0.0074115
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

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