Run: 2026-03-06-01KK1J0SKYDC13DR953ZGKP081

Run Details

Duration:
2.0s
Cost:
$0.000097
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
The moon hung low over the abandoned manor, casting elongated shadows across cracked stone corridors in the silence and dread. Inside, the grand ballroom lay empty, its chandeliers dangling like skeletal fingers, awaiting an unseen presence in the night still. A single violinist, cloaked in darkness, began playing a mournful aria that echoed through marble halls with trembling hands alone. Suddenly, a blood‑stained letter slipped from the desk, its ink dripping like fresh crimson upon the floor in the gloom. The detective arrived, his eyes sharp, noting the peculiar silence that clung to every corner of the house in the.
created_at"2026-03-06T12:30:06.469Z" 3/6/2026, 12:30:06 PM
model"inception/mercury"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1923
moderation_latency(null)
generation_time1978
tokens_prompt46
tokens_completion158
native_tokens_prompt47
native_tokens_completion124
native_tokens_completion_images(null)
native_tokens_reasoning0
native_tokens_cached33
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"
usage0.000097325
router(null)
provider_responses
0
endpoint_id"da1082ea-721e-460e-b330-034ae7aefc7f"
id"chatcmpl-5d460ab5-22ae-498e-b998-a6a850b4c19d"
is_byokfalse
latency99
model_permaslug"inception/mercury"
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-1772800206-6IdRXco54GYnKJzexDtJ"
upstream_id"chatcmpl-5d460ab5-22ae-498e-b998-a6a850b4c19d"
total_cost0.000097325
cache_discount0.000007425
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