Run: 2026-03-06-01KK1HZJYWM98PRCWP1ES91YET

Run Details

Duration:
1.9s
Cost:
$0.000103
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 old manor creaked as twilight slipped through stained glass, casting eerie shadows on the polished floor and mist lingering. At the grand fireplace, a silver pocket watch lay abandoned, its ticking echoing like a heartbeat in silence and still. Detective Marlowe entered, his trench coat flapping, eyes scanning every corner for hidden clues in the cold night air silently. The butler, trembling, whispered a warning, yet the victim's body lay motionless on the marble under the moonlit ceiling softly. Marlowe's mind raced, noting the faint scent of lilacs, a clue that could unravel the night for case to unfold.
created_at"2026-03-06T12:29:26.884Z" 3/6/2026, 12:29:26 PM
model"inception/mercury"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1478
moderation_latency(null)
generation_time1587
tokens_prompt46
tokens_completion160
native_tokens_prompt47
native_tokens_completion132
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"
usage0.000103325
router(null)
provider_responses
0
endpoint_id"da1082ea-721e-460e-b330-034ae7aefc7f"
id"chatcmpl-936793a2-bed3-44a9-91e2-18b2f5a649a5"
is_byokfalse
latency101
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-1772800166-kYG0FRJ351h3EsIxWU2N"
upstream_id"chatcmpl-936793a2-bed3-44a9-91e2-18b2f5a649a5"
total_cost0.000103325
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