Run: 2026-10-13-01M4TAZ00E28G4BCP4GQQYBGXA

Run Details

Duration:
10.2s
Cost:
$0.031148
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 against the tall windows of Blackwood Manor while dinner guests whispered nervously around the long oak table. Detective Mara Ellis noticed Lord Henry Blackwood was missing from his seat at the head of the table again tonight. She rose quietly from her chair and slipped into the dark hallway beyond the heavy dining room doors completely unseen. Inside the library, she found Henry lying beside the fireplace, eyes open, hand clutching a torn photograph of his wife. A silver dagger rested nearby on the carpet, its polished blade stained dark, while something small glinted beneath the desk. Then a scream echoed from upstairs, and every guest rushed toward the staircase as the lights suddenly flickered and died. Mara knelt beside Henry and whispered that nobody would leave Blackwood Manor until the killer hiding among them was found.
created_at"2026-10-13T09:54:39.256Z" 10/13/2026, 9:54:39 AM
model"meta/muse-wonder-20261012"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2852
moderation_latency(null)
generation_time10141
tokens_prompt46
tokens_completion261
native_tokens_prompt42
native_tokens_completion1549
native_tokens_completion_images0
native_tokens_reasoning1334
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"
usage0.031148
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1791885279-WanAEQeROChVC3GnG8PQ"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1791885279-Q8E89TAF2Gu0jflZP2Zd"
upstream_id"resp_6acdffe09a9e3315f076435a"
provider_responses
0
endpoint_id"1232618d-ebfe-4338-9b68-d9127a57c8dd"
id"resp_6acdffe09a9e3315f076435a"
is_byokfalse
latency901
model_permaslug"meta/muse-wonder-20261012"
provider_name"Meta"
status200
total_cost0.031148
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
sentences7
wordCounts
020
120
220
320
420
520
620