Run: 2026-11-11-01M755R7F87J8A1K1E96NFASQE

Run Details

Duration:
4.1s
Cost:
$0.001203
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
The rain hammered the windows of Blackwood manor while thunder rolled across the darkened moors beyond the ancient stone walls. Detective Clara Hayes arrived before dawn carrying only a leather notebook and desperate questions about young Sarah Whitmore alone tonight. The old butler discovered Sarah's body in the library shortly after midnight beside overturned chess pieces and cold tea still. She lay face down among scattered books with a single silver key clutched tightly inside her cold bleeding right hand. Every guest at dinner tonight claimed innocence yet nobody could explain the locked door or missing poison bottle anywhere nearby. Clara closed her notebook slowly, studied the silent household, and whispered that the real killer still remained inside this house.
created_at"2026-11-11T11:26:37.037Z" 11/11/2026, 11:26:37 AM
model"meta/muse-ember-20261109"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2146
moderation_latency(null)
generation_time4124
tokens_prompt46
tokens_completion241
native_tokens_prompt43
native_tokens_completion2397
native_tokens_completion_images0
native_tokens_reasoning2215
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"default"
usage0.0012028
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.22.2; linux; x64))"
http_referer(null)
request_id"req-1794396397-yKxOv7WqSBIUQMXgRC59"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1794396397-HOwGTDFbUwGcLul4f2k8"
upstream_id"resp_6af450ee70e11ff473144762"
provider_responses
0
endpoint_id"ea8469c2-ddf8-4985-8cf2-f5dc7e63e14c"
id"resp_6af450ee70e11ff473144762"
is_byokfalse
latency1139
model_permaslug"meta/muse-ember-20261109"
provider_name"Meta"
status200
total_cost0.0012028
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
020
120
220
320
420
520