NC Bench
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Run: 2026-02-17-01KHMQQC2CAGJFFSA76ZVCDKN4
Run Details
Model:
Qwen 3.5 Plus (2026-02-15)
Test:
Bad Writing Habits
Scenario:
Thriller: chase through city streets
Duration:
27.1s
Cost:
$0.004772
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 the London pavement, turning the soot-streaked alleyways of Soho into slick mirrors that
fractured
the neon glow above. Detective Harlow Quinn didn't feel the cold biting through her jacket; she felt only the rhythmic thud of her boots and the burning ache in her lungs. Eighteen years on the force had taught her that pain was just data, a signal to push harder, but the ghost of DS Morris whispered in the back of her mind, a static hum of warning she couldn't silence. Ahead, the suspect blurred into the downpour. He was fast, moving with the desperate, fluid grace of someone who knew exactly where the shadows pooled thickest. Quinn adjusted her stride, her military precision cutting through the chaos of the wet night. She checked her
watch
, the worn leather stiff against her wrist, noting the time. Three minutes since he'd bolted from the Raven's Nest. Three minutes since he'd knocked over a tray of glasses and vanished through the kitchen door, leaving Silas shouting curses that
were swallowed
by the storm. "Stop!" Quinn barked, her voice rough, stripped of pleasantry. "Police!" The figure didn't slow. He darted left, skidding around a dumpster that reeked of rotting cabbage and wet cardboard. Quinn followed, her sharp jaw set tight, eyes locked on the flash of dark curly hair disappearing around the corner toward Camden. She knew this part of the city, the labyrinth of brick and iron, but the energy shifting in the air felt wrong. It wasn't just the ozone tang of a coming storm; it was something older, heavier, like the pressure drop before an earthquake. She remembered the files on her desk, the ones marked 'Closed' but never
truly
solved. The unexplained circumstances surrounding Morris's death three years ago had left a hollow space in her chest, a void she filled with obsession. This suspect, Tomás Herrera, was a thread she couldn't afford to drop. A former paramedic stripped of his license for treating things that shouldn't exist, now running errands for a clique she suspected of trafficking more than just contraband alcohol. Herrera reached the mouth of a sealed construction site near the Camden locks. Instead of stopping, he dropped down into a maintenance shaft, vanishing into the darkness below. Quinn skidded to a halt at the edge, rain dripping from her closely cropped salt-and-pepper hair onto her collar. She peered over the rusted railing. Below, a faint, sickly green light pulsed, illuminating a graffiti-covered wall that shouldn't have been there. It was an entrance. Not to a sewer, but to something else. Quinn hesitated. Protocol demanded backup. Protocol demanded she secure the perimeter and wait for tactical support. But protocol hadn't saved Morris. Protocol was a slow machine, and whatever waited down there moved fast. She looked at the shaft, then back at the empty street behind her. The rain
seemed to
intensify, drumming a frantic rhythm against her skull. With a muttered curse, she holstered her sidearm, gripped the rusted ladder, and descended. The air changed instantly. The smell of wet trash and diesel faded, replaced by the scent of sulfur, dried herbs, and something metallic, like old blood. The ladder ended on a narrow catwalk suspended over a cavernous space that defied the geometry of the Tube station above. This was the Veil Market. Quinn landed silently, her boots finding purchase on the grating. Below, the abandoned station had
been transformed
. Stalls constructed from driftwood, bone, and scrap metal lined the platform, draped in fabrics that
seemed to
shift color when viewed from the corner of the eye. The crowd was a
kaleidoscope
of the impossible. Figures with skin like polished obsidian haggled with women whose eyes glowed with inner fire. A vendor sold jars of swirling mist; another displayed rows of teeth that chattered
softly
in their glass cases. She spotted Herrera immediately. He
was weaving
through the throng, his hand clutching something at his throat—a Saint Christopher medallion that caught the dim light. He moved with purpose, heading toward a stall obscured by heavy
velvet
curtains. Quinn pushed forward, her hand hovering near her hip. The civilians—if they could be called that—parted for her with wary glances. They sensed the authority in her bearing, the rigid line of her shoulders, but also the humanity that made her an anomaly here. She was flesh and blood in a realm of shadows. "Herrera!" she shouted, the sound flattening against the
oppressive
humidity of the cavern. He froze. For a second, he turned, his warm brown eyes wide with a mixture of fear and defiance. The scar running along his left forearm was visible as his sleeve rode up, a pale ridge against his olive skin. He said something to the vendor behind the curtain, then shoved through a beaded doorway at the rear of the stall. Quinn broke into a run, shoving past a creature that hissed, its breath smelling of formaldehyde. She reached the
velvet
curtains and burst through. The room beyond was smaller, quieter. The roar of the market muffled to a dull thrum. Herrera stood before a heavy iron door, fumbling with a pouch at his belt. He pulled out a small, irregular object that looked disturbingly like a knucklebone. "Don't," Quinn said, leveling her weapon. The steel felt cold and solid, a anchor in this drifting nightmare. "Turn around, Tomás. Hands where I can see them." Herrera spun, his hands raised, the bone token trembling in his fingers. "You don't understand, Detective. You can't be here. If they find you..." "I'm not leaving without you," Quinn snapped, stepping closer. Her eyes scanned the room, looking for exits, traps, anything that matched the training she'd received at Hendon. Nothing matched. The walls
seemed to
breathe, the mortar pulsing
slightly
. "You're under arrest for obstruction, resisting, and suspicion of involvement in organized criminal activity. And unless you want to add 'leading an officer into a death trap' to the list, you'll drop the bone." "It's not a trap," Herrera pleaded, his accent thickening with stress. "It's the only way out. The Market moves tonight. The full moon is rising. If we don't leave now, the exit seals for a month." "The exit is back the way I came," Quinn lied, though she wasn't sure she believed it herself. The ladder seemed impossibly far away now. "No," Herrera shook his head, his curly hair damp with sweat. "That way is closed. The Veil shifts. You know what happened to your partner, Detective. You think it was an accident? The streets change. The rules change." The mention of Morris hit Quinn like a physical blow. Her grip on the pistol tightened, her knuckles white. "What do you know about Morris?" "Enough to know you're chasing the wrong ghost," Herrera said, his voice dropping to a whisper. "But if you stay here, you'll become one for real. Please. Just come with me. I can get you out, but we have to go through the door." He gestured to the iron portal behind him. It hummed with a low vibration that Quinn could feel in her teeth. Beyond it lay ignorance, danger, and likely a violation of every statute in the penal code. Behind her lay a market full of entities that viewed humans as ingredients, and a path that Herrera claimed was already gone. Rain water dripped from her hair onto the dusty floor, the only familiar thing in the room. She looked at the bone token in Herrera's hand, then at the iron door, and finally into the earnest, terrified eyes of the man she
was supposed
to arrest. The logic of her world, built on warrants and procedure, crumbled under the
weight
of the impossible. Morris had died because he didn't understand the rules of this game. She wouldn't make the same mistake. Quinn lowered her gun, just an inch. "Open the door, Tomás. But if this is a trick, I promise you, there is no hell deep enough to hide you from me." Herrera exhaled, a shuddering breath of relief, and pressed the bone token into a slot carved into the iron. The door groaned, the sound of grinding stone
echoing
in the small room, and swung inward to reveal a swirl of fog and darkness that smelled of sea salt and old earth. "Stay close," Herrera whispered, stepping into the void. Quinn followed, leaving the safety of the known world behind, her heart hammering a frantic rhythm against her ribs as the iron door slammed shut behind them, sealing the Veil Market away.
created_at
"2026-02-17T02:44:27.407212+00:00"
2/17/2026, 2:44:27 AM
model
"qwen/qwen3.5-plus-20260216"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
704
moderation_latency
(null)
generation_time
27059
tokens_prompt
914
tokens_completion
2155
native_tokens_prompt
872
native_tokens_completion
1843
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
0.004772
router
(null)
provider_responses
0
id
"chatcmpl-7f137a1e-5f4a-9572-ac85-fa2569181429"
status
200
is_byok
false
latency
704
endpoint_id
"71e0f6c3-7815-4734-92d3-8a04f3b0ca91"
provider_name
"Alibaba"
model_permaslug
"qwen/qwen3.5-plus-20260216"
api_type
"completions"
id
"gen-1771296239-0PStjCLdAD9FoK39YmrG"
upstream_id
"chatcmpl-7f137a1e-5f4a-9572-ac85-fa2569181429"
total_cost
0.004772
cache_discount
(null)
upstream_inference_cost
0
provider_name
"Alibaba"
Evaluation details
Result
Evaluator
Details
Meta Data
100.0000%
Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags
8
adverbTagCount
0
adverbTags
(empty)
79.0649%
AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount
1433
totalAiIsmAdverbs
3
found
0
adverb
"slightly"
count
1
1
adverb
"softly"
count
1
2
adverb
"truly"
count
1
highlights
0
"slightly"
1
"softly"
2
"truly"
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)
51.1514%
AI-ism word frequency
Target: <1% AI-ism words (140 tracked)
wordCount
1433
totalAiIsms
7
found
0
word
"oppressive"
count
1
1
word
"velvet"
count
2
2
word
"fractured"
count
1
3
word
"weight"
count
1
4
word
"echoing"
count
1
5
word
"kaleidoscope"
count
1
highlights
0
"oppressive"
1
"velvet"
2
"fractured"
3
"weight"
4
"echoing"
5
"kaleidoscope"
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
90
matches
(empty)
100.0000%
Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount
1
hedgeCount
3
narrationSentences
90
filterMatches
0
"watch"
hedgeMatches
0
"seemed to"
100.0000%
Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount
0
totalSentences
99
matches
(empty)
100.0000%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
31
mean
46
std
25.18
cv
0.547
sampleLengths
0
86
1
90
2
10
3
85
4
78
5
69
6
12
7
58
8
14
9
52
10
86
11
38
12
54
13
13
14
61
15
24
16
43
17
27
18
24
19
72
20
36
21
25
22
38
23
25
24
44
25
59
26
81
27
31
28
51
29
8
30
32
100.0000%
Passive voice overuse
Target: ≤5% passive sentences
passiveCount
3
totalSentences
90
matches
0
"were swallowed"
1
"been transformed"
2
"was supposed"
100.0000%
Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount
1
totalVerbs
214
matches
0
"was weaving"
94.0000%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
1236
adjectiveStacks
1
stackExamples
0
"faint, sickly green light pulsed,"
adverbCount
30
adverbRatio
0.024271844660194174
lyAdverbCount
18
lyAdverbRatio
0.014563106796116505
100.0000%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
99
echoCount
0
echoWords
(empty)
100.0000%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
99
mean
14.4
std
7.99
cv
0.555
sampleLengths
0
20
1
27
2
39
3
7
4
19
5
15
6
14
7
9
8
26
9
9
10
1
11
4
12
15
13
22
14
22
15
22
16
15
17
23
18
12
19
28
20
13
21
15
22
19
23
6
24
16
25
4
26
8
27
2
28
3
29
11
30
5
31
12
32
13
33
12
34
14
35
4
36
22
37
21
38
5
39
10
40
7
41
27
42
8
43
15
44
19
45
4
46
21
47
13
48
9
49
12
59.2593%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
8
diversityRatio
0.40404040404040403
totalSentences
99
uniqueOpeners
40
0.0000%
Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags
8
fancyCount
8
fancyTags
0
"shouted (shout)"
1
"Quinn said, leveling her weapon (say, level)"
2
"Quinn snapped, stepping closer (snap, step)"
3
"Herrera pleaded, his accent thickening with stress (plead, thicken)"
4
"Quinn lied, though she wasn't sure she believed it herself (lie, does be not believe)"
5
"Herrera shook his head, his curly hair damp with sweat (shake damp)"
6
"Herrera said, his voice dropping to a whisper (say, drop)"
7
"Herrera whispered, stepping into the void (whisper, step)"
87.2633%