Run: 2026-11-11-01M75Q6DDEYKNMN1YCVKKFBMJC

Run Details

Duration:
31.0s
Cost:
$0.019566
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
Cold autumn rain battered the tall gothic windows while Inspector Vance stared down at the lifeless body on the floor. Lord Blackwood lay sprawled across the Persian rug with an antique silver letter opener buried deep inside his silent chest. Every heavy oak door in the vast mansion remained securely bolted from the inside since midnight, defying all logical explanation. Four terrified dinner guests huddled near the dying fireplace, their pale faces hiding dark secrets behind masks of polite grief. Vance knelt beside the wealthy victim and noticed a tiny crimson stain smudged carefully onto a torn piece of parchment. Someone trapped inside this cursed room was a ruthless killer, and the deadly game of deception had only just begun.
created_at"2026-11-11T16:31:27.674Z" 11/11/2026, 4:31:27 PM
model"google/gemini-4-carbon-20261110"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency6549
moderation_latency(null)
generation_time30963
tokens_prompt46
tokens_completion667
native_tokens_prompt68
native_tokens_completion1943
native_tokens_completion_images0
native_tokens_reasoning1806
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"
usage0.019566
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.22.2; linux; x64))"
http_referer(null)
request_id"req-1794414687-DlPECrgEeFoSsT8vhUm6"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1794414687-zGiiD3CgH7aS9aQEQxgX"
upstream_id"X5j0auDQM4i5wbUP3ofeoAg"
provider_responses
0
endpoint_id"f0c9681d-e99b-4bcb-8031-752429da222d"
id"X5j0auDQM4i5wbUP3ofeoAg"
is_byokfalse
latency6549
model_permaslug"google/gemini-4-carbon-20261110"
provider_name"Google AI Studio"
status200
total_cost0.019566
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
sentences6
wordCounts
020
120
220
320
420
520