Run: 2026-05-20-01KS25SDZCXT13G0H7HQKC97RC

Run Details

Duration:
1.6s
Cost:
$0.001227
Provider:
Google AI Studio

Evaluation summary

Score Evaluator
Details Link
97.64% Matches word count (details)

Model input

User/Human
Please write the opening scene of a murder mystery where each sentence has exactly 10 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
Thick white fog rolled slowly across the cold stone courtyard. Inside the mansion, a grandfather clock chimed exactly twelve times. Sir Reginald sat frozen in his favorite leather armchair downstairs. A thin trickle of dark red blood stained his collar. His lifeless eyes stared directly at the heavy wooden door. Just outside the study window, wet footsteps dragged away. A broken glass lay shattered on the expensive Persian rug. The fragrance of cheap perfume drifted through the quiet room. Nobody heard the distant scream cut through the silent night. The killer escaped undetected into the dark and misty woods. Detective Miller arrived at the scene with his notebook ready.
created_at"2026-05-20T07:49:47.634Z" 5/20/2026, 7:49:47 AM
model"google/gemini-3.5-flash-20260519"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency700
moderation_latency(null)
generation_time1444
tokens_prompt46
tokens_completion176
native_tokens_prompt38
native_tokens_completion130
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"
usage0.001227
router(null)
provider_responses
0
endpoint_id"bd50061c-e1d8-469e-96b1-d322e77378f8"
id"m2cNaqHZL5W2_uMPxuSumQY"
is_byokfalse
latency699
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-1779263387-mprW1gRvILObN4Kjb3Eh"
session_id(null)
api_type"completions"
id"gen-1779263387-TtIXsR2QW2LMZ2LHF4jG"
upstream_id"m2cNaqHZL5W2_uMPxuSumQY"
total_cost0.001227
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
97.64% Matches word count n/a
neededCleanfalse
sentences11
wordCounts
010
110
210
310
410
59
610
710
810
910
1010