NC Bench
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Run: 2026-02-17-01KHMPEQH8KP1GDEBGJV610S9M
Run Details
Model:
Rocinante 12B
Test:
Bad Writing Habits
Scenario:
Thriller: chase through city streets
Duration:
20.6s
Cost:
$0.001245
Provider:
Infermatic
Model input
System
You are an expert novelist with a gift for vivid, immersive prose. You write in tight third-person limited point of view with a strong narrative voice. Your prose is clean, precise, and engaging — you favor strong verbs, concrete details, and natural-sounding dialogue. You will be given a story bible (codex) containing canonical details about characters, locations, items, and lore. Use these details to ground your writing in the established world. Stay consistent with the codex. Write only the prose of the scene. Do not include titles, chapter headings, markdown formatting, or any commentary before or after the scene.
User/Human
<codex> <character id="4416" name="Detective Harlow Quinn" aliases="Quinn, Detective Quinn, Harlow" pronouns="she/her" species="Human" storyRole="Antagonist"> <eyeColor>brown</eyeColor> <hair>closely cropped salt-and-pepper</hair> <height>5'9"</height> <age>41</age> <jawline>sharp jaw</jawline> <watch>worn leather watch on her left wrist</watch> <bearing>military precision</bearing> <description>A Metropolitan Police detective with 18 years of decorated service who suspects the clique is involved in criminal activity.</description> <backstory>She lost her partner, DS Morris, during a case three years ago under unexplained circumstances that had supernatural origins she doesn't yet understand.</backstory> </character> <character id="4417" name="Tomás Herrera" aliases="Tommy, Tomás, Herrera" pronouns="he/him" species="Human" storyRole="Support"> <eyeColor>warm brown</eyeColor> <hair>short curly dark brown</hair> <height>5'10"</height> <age>29</age> <skinTone>olive skin</skinTone> <scar>scar running along his left forearm from a knife attack</scar> <medallion>Saint Christopher medallion around his neck</medallion> <birthplace>Seville, Spain</birthplace> <description>A former paramedic who provides off-the-books medical care for the clique.</description> <backstory>Born in Seville, Spain. He moved to London to work for the NHS but lost his license after administering unauthorized treatments to supernatural patients.</backstory> </character> <location id="854" name="The Raven's Nest" aliases="the Nest, Raven, Silas' bar" realm="Earth"> <signColor>distinctive green neon sign above the entrance</signColor> <secretRoom>hidden back room accessible through a bookshelf, used for clandestine meetings</secretRoom> <description>A dimly lit bar in Soho, London. The walls are covered with old maps and black-and-white photographs.</description> </location> <location id="856" name="The Veil Market" aliases="Veil Market, the Market, underground market" realm="Earth"> <currentLocation>abandoned Tube station beneath Camden</currentLocation> <entryRequirement>bone token</entryRequirement> <schedule>moves locations every full moon</schedule> <description>A hidden supernatural black market that sells enchanted goods, banned alchemical substances, and information.</description> </location> </codex> Write a fully fleshed out scene of at least 1000 words in the thriller genre. A detective is pursuing a suspect through rain-soaked city streets at night. The chase takes them from the street level down into an underground market. The detective must decide whether to follow the suspect into unfamiliar and potentially dangerous territory. Use the codex entries above as your world reference for characters and setting. Only include the prose of the scene without any markdown or commentary.
Model response
Messages
Meta
AI
The rain pelted Detective Harlow Quinn as she sprinted down Shaftesbury Avenue, her breath coming in short, sharp gasps. The crowded London streets blurred into a
kaleidoscope
of neon and shadow. Her brown leather boots splashed through puddles that reflected the strobing red of police lights. Her quarry was in sight up ahead, a young man with tight curly hair, dressed in a black leather jacket. Detective Quinn's years of experience told her she was hot on the trail of something big – a murder suspect who had some supernatural connection to the so-called "clique" she'd been investigating for months. The suspect turned
sharply
down an alley, his jacket flaring behind him like a dark cape. Quinn skidded around the corner in pursuit, her pistol heavy in its holster. The alley was narrow, slick with grime and
gleaming
puddles. Rusting fire escapes clawed at the brick walls on either side like fingers reaching for some higher realm. "Stop!" Quinn yelled, drawing her gun. "Metropolitan Police!" The suspect dodged around a dumpster, nearly losing his footing. "Not bloody likely, Detective!" He hurled himself at a decaying wooden door and disappeared inside. Quinn charged forward, her military-precise strides carrying her swiftly across the rain-slicked ground. She violated thelock with a single deft twist of her kit, the splintering wood shattering her concentration. Her breath fogged in the frigid darkness as she upset down a flight of crumbling stairs into a dank, musty storeroom. A pile of ratty boxes. Some dusty bottles and old newspaper print. Crumbling chalk lines on the floor, making
macabre
stick figures and cryptic sigils that pricked at the back of her mind. A hidden door, barely visible in the shadows, leading down further underground. Quinn hesitated on the threshold, her pulse pounding in her ears. The mysticism and murder were tied together, she was sure of it. Her instinct screamed at her to follow the suspect, to
unravel
this labyrinthine mystery no matter where it led. But an unsettling dread filled her, memories of her partner James Morris blossoming painfully to life in her mind's eye. Dying in the light of an eerie crimson full moon, his final breath an unknowable secret swallowed by the darkness. The detective took a deep breath, steeling herself. For James. For truth. She drew her
watch
from under her coat sleeve, her fingers tracing the well-worn band. Then she slipped through the hidden door and started her descent. The musty passageway twisted down into the earth like the gullet of some ancient creature. Quinn pressed one hand to the rough-hewn stone wall, her boots scuffing through the damp, mold-slick dirt. Her other hand gripped her gun, knuckles white, as she spiraled ever downward. This was madness, she knew. Following her suspect into an unknown subterranean lair, armed with nothing but a pistol and her wits. It went against e
very
instinct, e
very
protocol. And yet, the compulsion was overwhelming – she had to understand this hidden world, to make sense of the strange murders and disappearances that had haunted her case. The passage opened up into a vast cavern filled with eerie red gloom. Quinn snapped around the corner, her gun at the ready, scanning the space with panicked eyes.
The air was thick with
the scent of sweat and fear and something else, some acrid spice she couldn't parse. What greeted her stopped the breath in her throat. A dark underground market, sprawling through several insight caverns. Tiny tables lined the rough-hewn walls, piled high with strange goods – jars of glowing liquid, desiccated limbs, soaring raven feathers, daggers with evil-looking hilts. The air
was filled
with a susurrus of low voices in languages she couldn't recognize, punctuated by
gleaming
laughter and the zing of coins on the grimy tables. Quinn's hand tightened on her gun as she pressed herself against the wall, moving
cautiously
forward. The usual panic of such a chaotic scene threatened to overwhelm her, colors bleeding together until she could scarcely breathe. She shook her head viciously, forcing back the rising tide of sensory overload. No – she had to focus. The suspect was here somewhere, and with him, answers to the case that had haunted her for months. Angrily, Quinn shoved her way through the throng of milling bodies, ignoring accusing stares and muttered curses. A sudden movement caught her eye – her quarry, disappearing into a doorway just ahead. Her heart leapt in her chest as she surged forward, downtown weaving through the clamoring marketgoers with grim determination. The doorway led into a shabby back room, ill-lit and musty. A few battered crates lined the walls, holding more of the cryptic implements she'd come to associate with this case. At the far end of the room, the suspect crouched behind an upended table, his face a mask of red-
tinged
panic. "Quinn," he whispered hoarsely, gesturing behind him. "She knows you're here." The detective frowned. "Who knows I'm here? What is this place?" But then, shaking hands seized her from behind, yanking her backwards. Her gun clattered to the ground as rough hands pulled at her coat, dragging her deeper into the shadowy room. Quinn thrashed and kicked, fighting like a cornered wildcat, but whoever had her was strong as an ox. The stench of sweat androgyny filled her nose as her assailant yanked her into an alcove at the back of the room, throwing her to the dirt floor roughly. Quinn rolled, gasping, and stared up at her captor with horror. It was a woman, middle-aged and rail-thin, her hair a ratty blond tangle. Or perhaps she had been once – now her lips
were stretched
into a fanged grin, dripping with viscous fluid, and her eyes gleamed like tarnished copper in the dim light. "The local constabulary," the woman rasped, voice like rotting leaves skittering across ancient flagstones. "So far from home, Detective. So
very
far indeed." Quinn lunged for her pistol, only to find it vanished from where it had fallen. She faced the woman again, stumbling to her feet. Her mind raced as she
tried to
regain some semblance of control. The fanged grin widened as the woman circled her stalking like a predator eyeing its prey. "Welcome to the Veil Market, Detective," the woman hissed, diving forward with shocking speed to smear pissstains fluid across Quinn's cheek. "The border between worlds, the crossroads where the entrepreneur trade in arcana and contraband." She pressed close, oblivious to the stench. Her breath was like the inside of a grave. "And now, the ghoulish feast." Quinn's stomach heaved as she tried futilely to wipe the filth from her face. This was a nightmare, some hellish vision manufactured from her worst fears. She had to get out, had to find her suspect and inform her superiors before this spiraled out of control - The woman seized her by the throat and slammed her back against the rough stone wall, the air whooshing from Quinn's lungs. She clawed at the skeletal fingers digging cruelly into her flesh, stars exploding across her vision. "Ah, Detective," her captor cooed as Quinn felt her pulse hammering in her ears. "So brave. So willful." Bones crept along the woman's jutting spine, her eye's expanding and darkening like pools of blood moon taint. "I can smell the fear in you. It tastes divine." Quinn choked, stars clouding her mind, as the woman's face twisted and elongated, becoming something more beastly than human. The Detective's heart threatened to burst from her chest, her vision swimming red... Red. Moon-blood red. The
very
same color that had suffused the night when James Morris died, screaming and struggling against an unseen force. "What are you?" Quinn gasped, forcing the question past the vise grip on her throat. Her knees buckled, and she sagged against the wall, the woman's fingers still digging unrelentingly into her flesh. The thing grinned at her, fangs
glinting
. "Your worst nightmare, Detective. E
very
twist and turn of this labyrinthine case has led you here, to my domain." She leaned closer, the stench of rot belching from her maw. "And here you shall stay." Quinn's head swam sickeningly. She had to get out, had to escape this hellish place and warn the others. "No," she spat, struggling against the woman's iron grip. "I won't let you stop me. I'll find the truth, no matter what it takes." The woman just laughed, the sound scraping like fingernails on a chalkboard. "Oh, I do so enjoy when they have spirit. It makes the conquering all the more...delectable." She licked her fangs, relishing the moment. "But you'll find, Detective, that this labyrinth has many secrets. And you've only scratched the surface." Quinn's mind spun, her lungs burning, as the woman tilted her head and regarded her with hungry eyes. This was it – the breaking point, the abyss of madness. And as the darkness closed in and the thing's fanged grin widened, Quinn knew she would either escape to take down this vile laundry of a smuggling operation, or die in the attempt. There was no turning back now.
created_at
"2026-02-17T02:22:08.918138+00:00"
2/17/2026, 2:22:08 AM
model
"thedrummer/rocinante-12b"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
275
moderation_latency
(null)
generation_time
20369
tokens_prompt
936
tokens_completion
2332
native_tokens_prompt
871
native_tokens_completion
2055
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
0.00124525
router
(null)
provider_responses
0
id
"chatcmpl-97616bec-6ffe-4420-b04e-465786d91f14"
status
200
is_byok
false
latency
128
endpoint_id
"caf29916-6adb-45f8-b895-dd863415d3ed"
provider_name
"Infermatic"
model_permaslug
"thedrummer/rocinante-12b"
api_type
"completions"
id
"gen-1771294907-oVzQT3DWpX2l1SN0pJ7s"
upstream_id
"chatcmpl-97616bec-6ffe-4420-b04e-465786d91f14"
total_cost
0.00124525
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Infermatic"
Evaluation details
Result
Evaluator
Details
Meta Data
91.6667%
Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags
8
adverbTagCount
1
adverbTags
0
"he whispered hoarsely, gesturing behind him [hoarsely]"
73.6495%
AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount
1518
totalAiIsmAdverbs
4
found
0
adverb
"cautiously"
count
1
1
adverb
"sharply"
count
1
2
adverb
"very"
count
2
highlights
0
"cautiously"
1
"sharply"
2
"very"
100.0000%
AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions
(empty)
found
(empty)
100.0000%
AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions
(empty)
found
(empty)
53.8867%
AI-ism word frequency
Target: <1% AI-ism words (140 tracked)
wordCount
1518
totalAiIsms
7
found
0
word
"tinged"
count
1
1
word
"gleaming"
count
2
2
word
"glinting"
count
1
3
word
"macabre"
count
1
4
word
"unravel"
count
1
5
word
"kaleidoscope"
count
1
highlights
0
"tinged"
1
"gleaming"
2
"glinting"
3
"macabre"
4
"unravel"
5
"kaleidoscope"
100.0000%
Cliche density
Target: ≤1 cliche(s) per 800-word window
totalCliches
1
maxInWindow
1
found
0
label
"air was thick with"
count
1
highlights
0
"The air was thick with"
100.0000%
Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells
0
narrationSentences
96
matches
(empty)
100.0000%
Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount
1
hedgeCount
1
narrationSentences
96
filterMatches
0
"watch"
hedgeMatches
0
"tried to"
100.0000%
Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount
0
totalSentences
105
matches
(empty)
67.3794%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
38
mean
39.82
std
15.36
cv
0.386
sampleLengths
0
46
1
54
2
57
3
8
4
25
5
51
6
33
7
12
8
42
9
40
10
38
11
45
12
57
13
49
14
9
15
62
16
49
17
41
18
34
19
52
20
11
21
11
22
31
23
47
24
55
25
23
26
52
27
56
28
47
29
38
30
46
31
32
32
23
33
33
34
42
35
43
36
51
37
68
100.0000%
Passive voice overuse
Target: ≤5% passive sentences
passiveCount
2
totalSentences
96
matches
0
"was filled"
1
"were stretched"
100.0000%
Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount
0
totalVerbs
231
matches
(empty)
94.0000%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
1369
adjectiveStacks
1
stackExamples
0
"damp, mold-slick dirt."
adverbCount
43
adverbRatio
0.031409788166544925
lyAdverbCount
18
lyAdverbRatio
0.013148283418553688
100.0000%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
105
echoCount
0
echoWords
(empty)
100.0000%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
105
mean
14.41
std
7.04
cv
0.488
sampleLengths
0
19
1
12
2
15
3
20
4
34
5
16
6
13
7
10
8
18
9
6
10
2
11
10
12
15
13
13
14
17
15
21
16
5
17
7
18
21
19
12
20
11
21
12
22
19
23
20
24
20
25
8
26
2
27
2
28
15
29
11
30
15
31
17
32
13
33
5
34
17
35
7
36
28
37
13
38
16
39
20
40
9
41
9
42
25
43
28
44
16
45
20
46
13
47
6
48
18
49
17
54.2857%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
3
diversityRatio
0.34285714285714286
totalSentences
105
uniqueOpeners
36
0.0000%
Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags
8
fancyCount
7
fancyTags
0
"he whispered hoarsely, gesturing behind him (whisper hoarsely, gesture)"
1
"the woman rasped, voice like rotting leaves skittering across ancient flagstones (rasp, like rotting skitter flagstone)"
2
"the woman hissed, diving forward with shocking speed to smear pissstains fluid across Quinn's cheek (hiss, dive)"
3
"pressed (pressed)"
4
"her captor cooed as Quinn felt her pulse hammering in her ears (coo feel hammer)"
5
"gasped (gasp)"
6
"she spat, struggling against the woman's iron grip (spit, struggle)"
84.4040%