Run: 2026-03-06-01KK1GR1E1DXHNWF597WQ21JEN

Run Details

Duration:
1.9s
Cost:
$0.000102
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 rain hammered the old manor's stone façade, casting long shadows across the empty ballroom until midnight's chilling echo still. Inside, the grand chandelier flickered, its crystals rattling like distant thunder over the polished marble floor under the weight of. The host, Sir Reginald Hawthorne, raised his glass, eyes glinting with a secret he could not share until the dawn. A sudden scream pierced the air, and the lights flicked, plunging the hall into darkness as the guests froze silently. When the doors finally opened, a lone figure stood at the threshold, eyes cold as winter's icy breath and silence.
created_at"2026-03-06T12:07:50.985Z" 3/6/2026, 12:07:50 PM
model"inception/mercury"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1763
moderation_latency(null)
generation_time1844
tokens_prompt46
tokens_completion160
native_tokens_prompt47
native_tokens_completion130
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"
usage0.000101825
router(null)
provider_responses
0
endpoint_id"da1082ea-721e-460e-b330-034ae7aefc7f"
id"chatcmpl-e378e834-8de0-46bd-acbd-666ad09729fb"
is_byokfalse
latency42
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-1772798870-19n0LdQINswlZye9PmYR"
upstream_id"chatcmpl-e378e834-8de0-46bd-acbd-666ad09729fb"
total_cost0.000101825
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