Run: 2026-03-18-01KM08XJM5N855X8XMXCZ740JH

Run Details

Duration:
39.7s
Cost:
$0.004746
Provider:
Mistral

Evaluation summary

Score Evaluator
Details Link
88.76% 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
Rainpoured relentlessly against the ancient, creaking windows of the isolated mansion, each droplet echoing ominously like a funeral drum. The violent, unrelenting storm raged outside, its howling winds rattling the fragile glass panes of the grand hall's towering doors. Inside, the weary old butler adjusted his stiff black tie nervously as time dragged, knowing tonight's gathering held unexpected dangers. The first guest arrived late, her sharp heels clicking on the polished marble floor, eyes darting around the cavernous hallway. The second guest, a tall man with piercing eyes, carried a mysterious leather case out of place at this gathering. Whispers among the staff hinted darkly at a secret tied to this manor, but none dared speak of the rumors openly. An unearthly scream shrieked through the hollow mansion, twisting the tense silence into palpable fear among the terrified guests present.
created_at"2026-03-18T10:47:31.224Z" 3/18/2026, 10:47:31 AM
model"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency346
moderation_latency(null)
generation_time39535
tokens_prompt46
tokens_completion6817
native_tokens_prompt51
native_tokens_completion7898
native_tokens_completion_images(null)
native_tokens_reasoning6580
native_tokens_cached0
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"
usage0.00474645
router(null)
provider_responses
0
endpoint_id"f5ed6283-4e17-457d-98cd-2ec0c318171d"
id"d14109cc36a440deb02e1ee1c35c8017"
is_byokfalse
latency341
model_permaslug"mistralai/mistral-small-2603" 1/1/2603, 12:00:00 AM
provider_name"Mistral"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773830851-KpNUZHsLRptKbRvbqd6G"
upstream_id"d14109cc36a440deb02e1ee1c35c8017"
total_cost0.00474645
cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"

Evaluation details

Result Evaluator Details Meta Data
88.76% Matches word count n/a
neededCleanfalse
sentences7
wordCounts
019
120
220
320
420
521
620