Run: 2026-05-10-01KR8YQJJ8DF86Y4Z8M68ZF135

Run Details

Duration:
1.0s
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 heavy velvet curtains parted slowly to reveal the silent body lying perfectly still upon the polished dark wooden floor. A single silver dagger protruded from the victim’s chest, catching the pale moonlight that streamed through the tall glass window. No witnesses remained within the grand library to explain how the wealthy patriarch had met his untimely and violent end. I stepped forward cautiously, my leather boots clicking softly against the marble tiles while I surveyed the cold crime scene.
created_at"2026-05-10T12:45:25.968Z" 5/10/2026, 12:45:25 PM
model"google/gemini-3.1-flash-lite-20260507"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency477
moderation_latency(null)
generation_time923
tokens_prompt46
tokens_completion129
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"5n0AatGlCaqhz7IPn87xyQE"
is_byokfalse
latency477
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-1778417125-Lwgba9eTgM7yrNfLiW15"
session_id(null)
api_type"completions"
id"gen-1778417125-H5CgLqL2bP5Lsa68dkrc"
upstream_id"5n0AatGlCaqhz7IPn87xyQE"
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