Run: 2026-03-06-01KK1HNDKEYZHQE7ZATY5RGGCV

Run Details

Duration:
1.5s
Cost:
$0.000876
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 suspicion and hidden motives. A shattered crystal chandelier hung above the ballroom, its glittering shards reflecting the guests' uneasy whispers in the silent night. The host, a reclusive novelist, lay sprawled across the Persian rug, a dagger protruding from his chest under flickering chandelier. Detective Marlowe knelt, noting the peculiar scent of jasmine mingling with iron, a clue perhaps forgotten by the midnight clock. Outside, thunder roared, while the estate's ancient portraits seemed to stare, awaiting revelations that would shatter silence in the hallway.
created_at"2026-03-06T12:23:53.717Z" 3/6/2026, 12:23:53 PM
model"inception/mercury-2-20260304"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1451
moderation_latency(null)
generation_time1452
tokens_prompt46
tokens_completion648
native_tokens_prompt34
native_tokens_completion1167
native_tokens_completion_images(null)
native_tokens_reasoning1033
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"
usage0.000876325
router(null)
provider_responses
0
endpoint_id"c2a24e34-c306-4b4d-9e2f-b162c2d8bf0e"
id"chatcmpl-a92f8b4d-3233-4458-8743-a5c33cb41a94"
is_byokfalse
latency50
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-1772799833-XV1pyGMdyfrhILwZ7ncD"
upstream_id"chatcmpl-a92f8b4d-3233-4458-8743-a5c33cb41a94"
total_cost0.000876325
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