Run: 2026-09-03-01M1K5HT81RJ42ZFNVY6RE669K

Run Details

Duration:
8.3s
Cost:
$0.007341
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 10 words. Please make sure that each sentence has the same length. Only return the opening itself.

Model response

AI
Rain hammered the harbor town long after midnight struck coldly. Detective Mara Quinn found the mayor dead upon wooden pier. His coat pocket held one broken bloodstained silver pocket watch. No footprints surrounded his body despite the heavy surrounding mud. Mara noticed lighthouse keeper watching silently from his empty balcony. She knew instantly someone had wanted this death deliberately witnessed.
created_at"2026-09-03T08:18:17.992Z" 9/3/2026, 8:18:17 AM
model"meta/muse-spark-1.2-20260805"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency3035
moderation_latency(null)
generation_time8300
tokens_prompt46
tokens_completion136
native_tokens_prompt42
native_tokens_completion1715
native_tokens_completion_images0
native_tokens_reasoning1597
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"
usage0.00734125
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788423498-NWGBfyAYE1kPPT6aPzZS"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788423498-KZ3rTs6T4kGCGn4TadXW"
upstream_id"resp_6a992d4a5b580ce50a9a43e5"
provider_responses
0
endpoint_id"ffc8e76e-808a-44d2-bd21-c6ac16e721cb"
id"resp_6a992d4a5b580ce50a9a43e5"
is_byokfalse
latency384
model_permaslug"meta/muse-spark-1.2-20260805"
provider_name"Meta"
status200
total_cost0.00734125
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
sentences6
wordCounts
010
110
210
310
410
510