NC Bench
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Run: 2026-02-17-01KHMR6MKFSVSY8PKFE8WYSTPH
Run Details
Model:
Qwen 3.5 Plus (2026-02-15)
Test:
Bad Writing Habits
Scenario:
Thriller: chase through city streets
Duration:
31.1s
Cost:
$0.005874
Provider:
Alibaba
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
Rain hammered against the pavement, a relentless, drumming assault that turned the Soho streets into slick mirrors of neon and shadow. Detective Harlow Quinn did not
feel
the cold soaking through her trench coat, nor did she register the sting of droplets against her closely cropped salt-and-pepper hair. Her world had narrowed to the rhythmic slap of her boots on wet concrete and the fleeting glimpse of a retreating figure thirty yards ahead. The suspect moved with a desperation that bordered on panic, scrambling over a stack of discarded pallets outside a closed delicatessen before vanishing into the mouth of an alleyway. Quinn didn't break stride. Eighteen years on the force, twelve of them in homicide, had carved her reflexes into something approaching military precision. She checked her worn leather
watch
on her left wrist with a habitual flick of her thumb. Two minutes since the chase began. Too long. She cornered hard, her sharp jaw set tight as she scanned the alley. It was a dead end, blocked by a corrugated iron fence, but the suspect
was gone
. Not up, not over. Down. Quinn stepped forward, her brown eyes narrowing against the gloom. At the base of a rusted fire escape, barely visible beneath a tarpaulin weighed down by rain, was a heavy steel door. It shouldn't have been there. This was a service alley for a dry cleaner's; there were no basements, no sub-levels on the city plans she had memorized. Yet, the air rising from the gap beneath the door carried a scent that made the hair on her arms stand up despite the chill. It smelled of ozone, crushed herbs, and something metallic, like old blood. Three years ago, DS Morris had vanished chasing a lead that smelled just like this. The official report cited a rogue drug deal gone wrong, a body never recovered. Quinn knew better. She had seen the look in Morris's eyes the night before he died—a confusion that transcended fear, a bewilderment at a reality that didn't fit the mold of standard police work. She had spent every day since trying to force the square peg of the supernatural into the round hole of Metropolitan Police procedure, and every day she came up empty. Until now. A muffled thud
echoed
from behind the steel door, followed by the scuff of a shoe on stone. The suspect was still moving. Quinn drew her service weapon, the
weight
of it familiar and grounding in her hand. She approached the door. There was no handle, only a smooth surface marred by a single,
intricate
keyhole carved into the metal. As she leaned in, the rain hissing around her, she noticed the faint glow emanating from the cracks. It wasn't the warm yellow of a basement bulb; it was a sickly, shifting violet. Her training screamed at her to call for backup, to secure the perimeter, to wait for a warrant. But warrants didn't apply to doors that appeared out of nowhere in Soho alleyways. If she walked away, the thread would snap. Morris's ghost would remain just that—a ghost. She holstered her gun and pressed her shoulder against the cold steel. It gave way easier than expected, swinging inward on silent hinges. The descent was steep. The stairs were not concrete but rough-hewn stone, slick with moisture that didn't
feel
like rain. The air grew thicker, heavier, pressing against her eardrums. The sounds of London—the distant wail of sirens, the hum of traffic, the drumming rain—faded instantly, replaced by a low, thrumming chatter of voices and the clinking of glass. Quinn reached the bottom and stopped dead. She stood on a narrow ledge overlooking a cavernous space that defied the geometry of the abandoned Tube station beneath Camden. This was the Veil Market. The codex of her mind, built on facts and evidence, struggled to process the sight. Stalls draped in
velvet
and burlap lined the curved walls of the station platform, illuminated not by electric lights, but by floating orbs of blue fire and lanterns that burned with green smoke. The ceiling, where the tracks should have been,
was lost
in a haze of aromatic incense. People—or things that looked like people—milled about. A woman with skin like polished obsidian haggled over a jar containing a swirling storm cloud. A man whose shadow moved independently of his body examined a rack of daggers that
seemed to
whisper to anyone who passed. And there, weaving through the crowd with the frantic energy of a trapped animal, was her suspect. He
was heading
toward a stall draped in black
silk
, where a hunched figure displayed tokens made of bleached bone. Quinn's hand went to her waist, then stopped. Drawing her weapon here, in this place where the laws of physics
seemed to
be mere suggestions, felt futile. What would a nine-millimeter do against a man whose shadow could strangle him? She needed to see. She needed to understand. She pulled her coat tighter, shrinking her silhouette, and merged into the crowd. The atmosphere was
oppressive
, a cocktail of exotic spices and underlying danger. Eyes slid toward her as she passed. She felt their gazes like physical touches, weighing her, smelling the mundane world on her clothes. She kept her bearing rigid, her chin high, projecting an authority she didn't
feel
. If she looked like she belonged, maybe they would let her pass. The suspect reached the bone token stall. He fumbled in his pocket, pulling out a wad of cash. The vendor, a creature with too many joints in its fingers, laughed, a sound like grinding stones, and pushed the money away. It pointed to a sign carved into the wood of the stall: *No Fiat. Bone Only.* The suspect spun around, panic widening his eyes. That was when he saw her. For a second, time suspended. The chaos of the market faded into the background. The suspect's face twisted from fear to recognition, and then to a grim resolve. He wasn't running from the police anymore; he
was running
from the only thing that made sense in this madness. He bolted, shoving past a towering figure in robes, knocking over a display of vials that shattered on the floor, releasing a cloud of golden dust that screamed as it hit the ground. "Stop!" Quinn shouted, her voice cutting through the din. It sounded small, human, against the
cacophony
of the market. She gave chase, dodging a cart laden with writhing sacks. The suspect sprinted toward the far end of the platform, where the tracks disappeared into a tunnel choked with purple fog. Quinn pushed harder, her lungs burning. She
was losing
him. The terrain was unfamiliar, the gravity seemed
slightly
off, making her steps
feel
heavy and sluggish. As she closed the distance, a hand shot out from the shadows of a pillar, grabbing her arm. She reacted instantly, twisting her wrist and driving her elbow back, but the grip held firm. She spun around, ready to strike, and found herself face-to-face with a man in a blood-stained apron. He had warm brown eyes and short, curly dark hair, and a silver medallion of Saint Christopher rested against his olive skin. A jagged scar ran along his left forearm, glowing faintly in the dim light. "You can't go down there, Detective," the man said, his accent thick, Spanish lilt wrapping around the English words. His voice was urgent, lacking the menace of the other patrons. "That tunnel isn't for the living. Not tonight." Quinn wrenched her arm free, though his grip had been surprisingly gentle. "I'm pursuing a suspect. Step aside." "The suspect is already gone," the man said, glancing toward the tunnel where the purple fog
was swirling
violently. "He didn't go in. He jumped. There's a drop beyond the fog that doesn't end until you hit the core. He chose the fall over whatever he thinks you represent." Quinn froze, her breath hitching. She looked at the tunnel. The fog
seemed to
pulse, hiding the abyss he described. If the man was lying, she was letting her only lead escape. If he
was telling
the truth, she was about to walk off a cliff. "Who are you?" she demanded, her hand hovering near her holster. "Tomás," he said, raising his hands
slightly
to show he held no weapon. "I fix things. People, mostly. Sometimes the mistakes they make coming here." He looked at her,
really
looked at her, and his gaze softened with a recognition that
unsettled
her more than the monsters. "You carry a lot of dead
weight
, Detective Quinn. I can see it in your stride. Like you're walking for someone else." The mention of her name sent a jolt of adrenaline through her veins. "How do you know my name?" "This market knows many things," Tomás said quietly. "But it doesn't know how to save you if you
follow that boy
into the dark. The Veil shifts every full moon. The path you saw five seconds ago is gone now." Quinn looked back at the tunnel. The purple fog had thickened, sealing the entrance
completely
. The chatter of the market
seemed to
rush back in, a roar of alien commerce. She had lost him. After eighteen years, after three years of haunting silence regarding Morris, she had found the door to the truth, and it had slammed shut in her face. She turned back to Tomás, her expression hardening, masking the frustration threatening to crack her composure. "If that market knows so much," she said, her voice low and dangerous, "then it knows who killed my partner." Tomás studied her for a long moment, the blue fire from a nearby stall reflecting in his warm eyes. He touched the Saint Christopher medallion at his throat. "Maybe," he said. "But knowing and surviving are two different trades. Come. If you stay out here much longer, the sellers will start wondering if you're here to buy or to be sold." Quinn hesitated. Every instinct told her to arrest this man, to drag him upstairs and interrogate him under bright lights. But the bright lights of London felt a universe away. Here, in the damp, magical gloom of the underground, she was out of her depth. She needed a guide. She needed answers. She adjusted her coat, her shoulders squaring with that familiar military precision. "Lead the way," she said. "But try anything, and I put a bullet in you. Supernatural or not." Tomás offered a thin, tired smile. "Understood, Detective. Just try not to touch anything that glows." He turned and led her deeper into the Raven's Nest's shadowy underbelly, away from the tunnel and into the heart of the impossible. Quinn followed, her hand ready, her eyes open, stepping finally into the world that had taken everything from her.
created_at
"2026-02-17T02:52:51.419697+00:00"
2/17/2026, 2:52:51 AM
model
"qwen/qwen3.5-plus-20260216"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
696
moderation_latency
(null)
generation_time
31050
tokens_prompt
914
tokens_completion
2668
native_tokens_prompt
872
native_tokens_completion
2302
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
0.0058736
router
(null)
provider_responses
0
id
"chatcmpl-eddc399c-ca87-972c-ae9e-945baf267194"
status
200
is_byok
false
latency
696
endpoint_id
"71e0f6c3-7815-4734-92d3-8a04f3b0ca91"
provider_name
"Alibaba"
model_permaslug
"qwen/qwen3.5-plus-20260216"
api_type
"completions"
id
"gen-1771296739-IXbYlkKSxIoOvEsi8AAy"
upstream_id
"chatcmpl-eddc399c-ca87-972c-ae9e-945baf267194"
total_cost
0.0058736
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Alibaba"
Evaluation details
Result
Evaluator
Details
Meta Data
22.2222%
Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags
9
adverbTagCount
3
adverbTags
0
"the man said, glancing toward the tunnel where the purple fog was swirling violently [violently]"
1
"he said, raising his hands slightly to show he held no weapon [slightly]"
2
"Tomás said quietly [quietly]"
77.9249%
AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount
1812
totalAiIsmAdverbs
4
found
0
adverb
"completely"
count
1
1
adverb
"slightly"
count
2
2
adverb
"really"
count
1
highlights
0
"completely"
1
"slightly"
2
"really"
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)
50.3311%
AI-ism word frequency
Target: <1% AI-ism words (140 tracked)
wordCount
1812
totalAiIsms
9
found
0
word
"cacophony"
count
1
1
word
"oppressive"
count
1
2
word
"velvet"
count
1
3
word
"silk"
count
1
4
word
"unsettled"
count
1
5
word
"intricate"
count
1
6
word
"weight"
count
2
7
word
"echoed"
count
1
highlights
0
"cacophony"
1
"oppressive"
2
"velvet"
3
"silk"
4
"unsettled"
5
"intricate"
6
"weight"
7
"echoed"
100.0000%
Cliche density
Target: ≤1 cliche(s) per 800-word window
totalCliches
0
maxInWindow
0
found
(empty)
highlights
(empty)
100.0000%
Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells
0
narrationSentences
123
matches
(empty)
100.0000%
Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount
2
hedgeCount
4
narrationSentences
123
filterMatches
0
"watch"
1
"feel"
hedgeMatches
0
"seemed to"
100.0000%
Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount
1
totalSentences
132
matches
0
"follow that boy"
100.0000%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
39
mean
46.13
std
24.93
cv
0.54
sampleLengths
0
73
1
77
2
34
3
96
4
93
5
2
6
23
7
70
8
47
9
23
10
58
11
7
12
90
13
45
14
37
15
48
16
74
17
56
18
14
19
81
20
19
21
57
22
18
23
69
24
38
25
18
26
49
27
46
28
11
29
69
30
19
31
40
32
61
33
36
34
61
35
52
36
30
37
16
38
42
100.0000%
Passive voice overuse
Target: ≤5% passive sentences
passiveCount
2
totalSentences
123
matches
0
"was gone"
1
"was lost"
100.0000%
Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount
8
totalVerbs
286
matches
0
"was heading"
1
"was running"
2
"was losing"
3
"was swirling"
4
"was lying, was letting"
5
"was telling"
88.0000%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
1605
adjectiveStacks
2
stackExamples
0
"thicker, heavier, pressing against her"
1
"short, curly dark hair,"
adverbCount
40
adverbRatio
0.024922118380062305
lyAdverbCount
22
lyAdverbRatio
0.013707165109034268
100.0000%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
132
echoCount
0
echoWords
(empty)
100.0000%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
132
mean
13.63
std
7.92
cv
0.581
sampleLengths
0
21
1
27
2
25
3
29
4
4
5
19
6
17
7
6
8
2
9
13
10
16
11
4
12
1
13
10
14
22
15
5
16
22
17
25
18
12
19
15
20
14
21
3
22
31
23
30
24
2
25
18
26
5
27
15
28
4
29
18
30
18
31
15
32
18
33
14
34
8
35
7
36
12
37
11
38
4
39
16
40
9
41
29
42
7
43
21
44
5
45
15
46
33
47
16
48
7
49
16
46.7172%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
15
diversityRatio
0.3484848484848485
totalSentences
132
uniqueOpeners
46
36.1111%
Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags
9
fancyCount
5
fancyTags
0
"shouted (shout)"
1
"the man said, glancing toward the tunnel where the purple fog was swirling violently (say, glance swirl violently)"
2
"demanded (demand)"
3
"he said, raising his hands slightly to show he held no weapon (say, raise show hold)"
4
"Tomás said quietly (say quietly)"
83.6063%