Run: 2026-09-03-01M1K54WRG4TZ74JGPKKS98F5X

Run Details

Duration:
9.4s
Cost:
$0.009462
Provider:
Meta

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
Detective Mara Quinn arrived at Blackwood Manor just as midnight rain hammered the crumbling gothic windows relentlessly outside the estate. The butler stood motionless beneath the chandelier, guarding the study where Lord Ashworth lay dead upon Persian carpet silently bleeding. Quinn noticed three champagne glasses still sweating on the mahogany table, though only one guest remained inside the cold study. Someone had opened every window despite the storm, and muddy footprints led directly toward the locked library door upstairs quietly. No one admitted inviting the victim's estranged brother, yet his silver cane leaned conspicuously against the fireplace nearby tonight unnoticed.
created_at"2026-09-03T08:11:14.583Z" 9/3/2026, 8:11:14 AM
model"meta/muse-spark-1.2-20260805"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3609
moderation_latency(null)
generation_time9345
tokens_prompt46
tokens_completion243
native_tokens_prompt42
native_tokens_completion2214
native_tokens_completion_images0
native_tokens_reasoning2004
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"completed"
service_tier"auto"
usage0.009462
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788423074-mGa3eLv7TxjaKmOAahlb"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788423074-tQMU9mhmAyOzAia08gcw"
upstream_id"resp_6a992ba3c1b86af34f6244dc"
provider_responses
0
endpoint_id"ffc8e76e-808a-44d2-bd21-c6ac16e721cb"
id"resp_6a992ba3c1b86af34f6244dc"
is_byokfalse
latency826
model_permaslug"meta/muse-spark-1.2-20260805"
provider_name"Meta"
status200
total_cost0.009462
cache_discount(null)
upstream_inference_cost0
provider_name"Meta"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
100.00% Matches word count n/a
neededCleanfalse
sentences5
wordCounts
020
120
220
320
420