Run: 2026-03-06-01KK1JCTCM5AE56GTYQYF0ZJ9W

Run Details

Duration:
1.2s
Cost:
$0.000071
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 10 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
The rain hammered the cobblestone streets, echoing restless footsteps tonight. Inside the manor, a chandelier flickered, casting shadows on walls. A crimson letter lay on the mahogany desk, unopened silently. The butler, trembling, whispered that the heirloom was missing today. Outside, a lone figure vanished, leaving only a single footprint. The detective arrived, eyes sharp, ready to uncover hidden truths.
created_at"2026-03-06T12:36:40.478Z" 3/6/2026, 12:36:40 PM
model"inception/mercury"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1102
moderation_latency(null)
generation_time1122
tokens_prompt46
tokens_completion109
native_tokens_prompt47
native_tokens_completion89
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"
usage0.000071075
router(null)
provider_responses
0
endpoint_id"da1082ea-721e-460e-b330-034ae7aefc7f"
id"chatcmpl-14b0b2dd-d918-4984-83e9-c564f53c1f07"
is_byokfalse
latency49
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-1772800600-xG4vZlfymZFC46yQBafJ"
upstream_id"chatcmpl-14b0b2dd-d918-4984-83e9-c564f53c1f07"
total_cost0.000071075
cache_discount0.000007425
upstream_inference_cost0
provider_name"Inception"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences6
wordCounts
010
110
210
310
410
510