Run: 2026-05-10-01KR8VMR8QEZBBVN4RRB9TPF6S

Run Details

Duration:
1.2s
Cost:
$0.000148
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 grandfather clock struck twelve times while raindrops hammered against the study window like tiny bullets hitting the velvet curtains. Lord Harrington slumped forward across his mahogany desk, a silver letter cutter protruding deeply from his pale, lifeless neck skin. Lightning flashed brightly, illuminating the empty hallways and casting long, jagged shadows that danced along the cold, dark floorboards tonight. Lady Eleanor stood trembling in the quiet doorway, clutching a single invitation letter that smelled faintly of bitter, crushed almonds.
created_at"2026-05-10T11:51:27.775Z" 5/10/2026, 11:51:27 AM
model"google/gemini-3.1-flash-lite-20260507"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency470
moderation_latency(null)
generation_time1058
tokens_prompt46
tokens_completion139
native_tokens_prompt38
native_tokens_completion92
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"
usage0.0001475
router(null)
provider_responses
0
endpoint_id"237af107-d2e9-46c7-b146-c74d75980dee"
id"P3EAaq3UPISsz7IPqqiR8Qk"
is_byokfalse
latency469
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-1778413887-NH3IJT2TFeCIHQyz7Wam"
session_id(null)
api_type"completions"
id"gen-1778413887-WdPoxtMlPtzNk3KbAmkB"
upstream_id"P3EAaq3UPISsz7IPqqiR8Qk"
total_cost0.0001475
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
sentences4
wordCounts
020
120
220
320