Run: 2026-03-06-01KK1GR8S0QAVKDYPNGJBH24K6

Run Details

Duration:
1.2s
Cost:
$0.000641
Provider:
Inception

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
Rain hammered the cobblestones as Detective Marlowe entered the dimly lit manor, his coat dripping with midnight secrets and whispers. A shattered crystal chandelier hung precariously above the ballroom, its glittering shards reflecting the flickering candlelight as the storm roared. The guests, cloaked in silk and secrets, whispered nervously about the missing heirloom, unaware of impending danger in the shadows. Suddenly, a scream pierced the hush, and a body collapsed onto the marble floor, eyes wide with terror in silence. Detective Marlowe knelt, examining the crimson stain, realizing the murder was staged, and the killer lingered nearby among the guests.
created_at"2026-03-06T12:07:58.503Z" 3/6/2026, 12:07:58 PM
model"inception/mercury-2-20260304"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1188
moderation_latency(null)
generation_time1189
tokens_prompt46
tokens_completion442
native_tokens_prompt34
native_tokens_completion845
native_tokens_completion_images(null)
native_tokens_reasoning710
native_tokens_cached5
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"stop"
usage0.000641125
router(null)
provider_responses
0
endpoint_id"c2a24e34-c306-4b4d-9e2f-b162c2d8bf0e"
id"chatcmpl-3c8bb5a5-27af-4e49-8d53-f781462fb492"
is_byokfalse
latency46
model_permaslug"inception/mercury-2-20260304"
provider_name"Inception"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1772798878-ZlcjVX7EVvfAtV3h83gx"
upstream_id"chatcmpl-3c8bb5a5-27af-4e49-8d53-f781462fb492"
total_cost0.000641125
cache_discount0.000001125
upstream_inference_cost0
provider_name"Inception"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences5
wordCounts
020
120
220
320
420