Run: 2026-02-20-01KHXPKMEGGDPV4ZWM9A8CK4DH

Run Details

Duration:
3.4s
Cost:
$0.000222
Provider:
Mistral

Evaluation summary

Score Evaluator
Details Link
89.63% 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
The rain fell hard against the old mansion’s windows. Detective Cole stepped inside, his coat dripping onto the floor. A single candle flickered in the dimly lit hallway ahead. The butler stood frozen, his face pale with unspoken dread. "She’s dead," he whispered, pointing toward the locked study door. A shattered glass lay near the body, glinting under moonlight. The victim’s hand clutched a torn note, ink smeared by rain. Outside, a car engine roared to life then vanished quickly. Cole knelt, examining the wound—no weapon in sight. Three guests remained, each hiding secrets behind trembling smiles.
created_at"2026-02-20T14:17:38.523Z" 2/20/2026, 2:17:38 PM
model"mistralai/mistral-large-2512" 1/1/2512, 12:00:00 AM
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency521
moderation_latency(null)
generation_time3366
tokens_prompt46
tokens_completion162
native_tokens_prompt39
native_tokens_completion135
native_tokens_completion_images(null)
native_tokens_reasoning0
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"
usage0.000222
router(null)
provider_responses
0
endpoint_id"fa718841-07ea-4b7e-b8a3-6069545c7e6a"
id"790501f0d75e42b28630d6dc6ef28c0b"
is_byokfalse
latency520
model_permaslug"mistralai/mistral-large-2512" 1/1/2512, 12:00:00 AM
provider_name"Mistral"
status200
api_type"completions"
id"gen-1771597058-LRSesuhVx1G99Zp71KV8"
upstream_id"790501f0d75e42b28630d6dc6ef28c0b"
total_cost0.000222
cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"

Evaluation details

Result Evaluator Details Meta Data
89.63% Matches word count n/a
neededCleanfalse
sentences10
wordCounts
09
110
210
310
410
510
611
710
89
99