Run: 2026-03-06-01KK1HJ5FYHSNCAX20W110REGB

Run Details

Duration:
1.4s
Cost:
$0.000750
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 cobblestone streets as the town clock struck midnight, casting shadows over the abandoned manor of the old. Detective Mara entered, flashlight trembling, noticing a crimson stain dripping from the cracked fireplace onto the polished floor of blood. A shattered portrait lay beside the hearth, its subject’s eyes staring blankly, as if witnessing the tragedy in the silence. Mara’s notebook recorded every clue, yet the lingering scent of jasmine conflicted with the metallic tang of death in air. Outside, thunder rolled, and a lone owl hooted, echoing the unresolved mystery that would soon consume the village in silence.
created_at"2026-03-06T12:22:07.111Z" 3/6/2026, 12:22:07 PM
model"inception/mercury-2-20260304"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1321
moderation_latency(null)
generation_time1321
tokens_prompt46
tokens_completion554
native_tokens_prompt34
native_tokens_completion999
native_tokens_completion_images(null)
native_tokens_reasoning880
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"
usage0.000750325
router(null)
provider_responses
0
endpoint_id"c2a24e34-c306-4b4d-9e2f-b162c2d8bf0e"
id"chatcmpl-8ee81181-f9c5-4ca8-ad01-249b1f2209ff"
is_byokfalse
latency52
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-1772799727-4zL786tsJixYHHLEfeq6"
upstream_id"chatcmpl-8ee81181-f9c5-4ca8-ad01-249b1f2209ff"
total_cost0.000750325
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