NC Bench
Overview
About
Tests
Models
Vendors
Run: 2026-02-20-01KHXQ3G7TCHA55BXT4F1PHNCQ
Run Details
Model:
Mistral Small 3.2 24B
Test:
N-Length Sentences
Scenario:
Write sentences with 20 words each
Duration:
4.7s
Cost:
$0.000112
Provider:
Mistral
Evaluation summary
Score
Evaluator
Details Link
26.82%
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
Messages
Meta
AI
The rain drummed against the cobblestones as Detective Harlow hurried through the narrow alleyway, his coat damp. A flickering streetlamp cast long shadows, twisting the familiar streets into something sinister and unfamiliar to him. The distant wail of sirens cut through the night, a haunting melody that sent a chill down his spine. A crumpled figure lay sprawled in the gutter, motionless, their face obscured by a pool of dark liquid. Harlow’s breath hitched as he knelt beside the body, his gloved fingers brushing the victim’s cold, lifeless hand. The victim’s eyes stared blankly at the stormy sky, frozen in an expression of sheer, unyielding terror. A single playing card—the ace of spades—was clutched tightly in the victim’s stiffened fingers, a macabre clue. Harlow’s pulse quickened as he scanned the scene, his instincts screaming that this was no ordinary murder. The alley reeked of damp earth and something metallic, the scent of violence lingering in the air like a curse. Footsteps echoed behind him, slow and deliberate, as if someone was watching him from the darkness. A shadowy figure lingered at the alley’s mouth, their face hidden beneath the brim of a wide hat. Harlow stood abruptly, his hand resting on the revolver at his hip, his body tense with anticipation. The figure took a single step forward, then vanished into the night, leaving only silence in their wake. The detective exhaled sharply, his mind racing as he tried to piece together the fragments of this grim puzzle. Somewhere in the city, a killer was waiting, and Harlow knew he had to find them before the next victim fell.
created_at
"2026-02-20T14:26:18.501Z"
2/20/2026, 2:26:18 PM
model
"mistralai/mistral-small-3.2-24b-instruct-2506"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
210
moderation_latency
(null)
generation_time
4459
tokens_prompt
46
tokens_completion
435
native_tokens_prompt
39
native_tokens_completion
362
native_tokens_completion_images
(null)
native_tokens_reasoning
0
native_tokens_cached
0
num_media_prompt
(null)
num_input_audio_prompt
(null)
num_media_completion
0
num_search_results
(null)
origin
"https://ncbench.com/"
is_byok
false
finish_reason
"stop"
native_finish_reason
"stop"
usage
0.0001125
router
(null)
provider_responses
0
endpoint_id
"23fd6b91-74d8-45fc-ac00-cf141ec7f4a5"
id
"f2dfa261d75b48978938af2fd238cf21"
is_byok
false
latency
210
model_permaslug
"mistralai/mistral-small-3.2-24b-instruct-2506"
provider_name
"Mistral"
status
200
api_type
"completions"
id
"gen-1771597578-dZseYCqMsLl3aTWKzTKq"
upstream_id
"f2dfa261d75b48978938af2fd238cf21"
total_cost
0.0001125
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Mistral"
Evaluation details
Result
Evaluator
Details
Meta Data
26.82%
Matches word count
n/a
neededClean
false
sentences
15
wordCounts
0
17
1
17
2
19
3
18
4
18
5
17
6
19
7
17
8
20
9
16
10
18
11
17
12
18
13
19
14
21