NC Bench
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Run: 2026-02-17-01KHMQF9WM3KGP92ZF4XJ5VA1E
Run Details
Model:
Qwen 3.5 397B A17B
Test:
Bad Writing Habits
Scenario:
Thriller: chase through city streets
Duration:
1m 44s
Cost:
$0.015005
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 pavement, turning the London streets into a slick mirror of
fractured
neon and shadow. Detective Harlow Quinn pushed through the downpour, her breath coming in sharp, controlled bursts that matched the rhythm of her boots striking the wet concrete. She checked her left wrist, the worn leather of her
watch
strap cold against her skin. The
luminous
hands glowed faintly in the dark. Two fourteen in the morning. Too late for decent people, too early for the morning shift. Perfect for ghosts. Ahead, the silhouette of her target darted across the mouth of an alleyway near Camden High Street. The figure was slight, moving with a fluidity that suggested panic but also familiarity with the terrain. Quinn did not shout. Shouting wasted breath and alerted anyone listening who wasn't already running. She kept her center of low, her movements economical. Eighteen years on the force had taught her that endurance beat speed every time. She had picked up the trail outside the Raven's Nest in Soho. The distinctive green neon sign above the bar's entrance had buzzed like a dying insect as she
watch
ed the suspect slip out the back. Now, miles north, the chase
was nearing
its end. Or so she hoped. The rain soaked through her jacket, clinging to her closely cropped salt-and-pepper hair, matting it against her scalp. She ignored the chill. Cold kept her sharp. The suspect vanished behind a boarded-up construction hoarding. Quinn slowed as she approached the gap, her hand hovering near the service pistol holstered beneath her arm. She pressed her back against the damp plywood, listening. The city noise—the distant hum of traffic, the rattle of a late-night train—faded into a strange silence. There was no sound of
footsteps
retreating. No splash of water. She stepped around the corner into a small courtyard dominated by the mouth of an abandoned Tube station. Rusting iron gates stood partially open, swallowed by darkness. Graffiti scarred the tiled walls, but beneath the spray paint, Quinn recognized the classic roundel of the London Underground. This station had
been closed
since the nineties. According to city records, it was sealed tight. Yet the air drifting up from the stairs smelled wrong. It didn't smell of stale urine and damp rot like every other forgotten tunnel in the city. It smelled of ozone, dried herbs, and something metallic, like old blood. Quinn moved to the edge of the entrance and peered down. The staircase descended into a gloom that her flashlight beam couldn't fully penetrate. She glanced at her
watch
again. The second hand ticked with military precision, a steady heartbeat in the chaos of the night. Three years ago, DS Morris had vanished during a case just like this. A pursuit into the shadows where the rules of physics
seemed to
bend. They had found his badge near a riverbank, nothing else. The official report called it an accident. Quinn knew better. She had seen the look in his eyes the week before he died. Fear. Not of men, but of something older. A
flicker
of light surged from the depths below. Quinn flattened herself against the wet tile. Voices drifted up, unintelligible but rhythmic. Not the slang of street dealers. This sounded like chanting, or perhaps a language she didn't recognize. She crept closer to the edge. Below, on the platform level, the darkness had receded. Stalls draped in heavy
velvet
cloth lined the tracks. People moved between them, cloaked in hoods and heavy coats. It wasn't a squat. It was a market. A figure stepped into the pool of light cast by a hanging lantern. Quinn narrowed her brown eyes. The person
was holding
something small and white in their hand. They presented it to a guard standing at the bottom of the stairs. The guard nodded and stepped aside. Quinn zoomed the focus of her eyes. The object in the customer's hand
was carved
bone, shaped into a token. Her mind raced through the briefings she had compiled on the clique. Whispers of an underground economy dealing in things that shouldn't exist. Enchanted goods. Banned alchemical substances. Information that could get a person killed. The Veil Market. She had seen the name in Morris's notes, scribbled in the margins of a case file she wasn't supposed to have. The suspect she had chased was nowhere to be seen. They must have already descended. Quinn straightened up, the rain plastering her jacket to her sharp jawline. She stood at the threshold of the known world and the unknown. Her training screamed at her to call for backup, to secure the perimeter, to wait for daylight. But backup meant questions. Questions meant paperwork. Paperwork meant losing the trail. If this was where Morris had gone, if this was where the supernatural origins of his death lay hidden, she couldn't wait for protocol. She looked down at the bone token requirement. She didn't have one. She didn't even know where to get one. But she had a badge and a gun, and eighteen years of authority carved into her posture. A cold wind blew up from the tunnel, carrying the scent of that strange ozone again. It tugged at her clothes, an invitation or a warning. She thought of Tomás Herrera, the medic who operated off the books. He patched up the kids who came back from places like this with wounds that didn't bleed right. He had warned her once, his warm brown eyes serious beneath his curly dark hair. Some doors, Detective, once opened, do not close. Quinn touched the Saint Christopher medallion she kept in her pocket, a habit she had picked up from
watch
ing Herrera. She wasn't religious, but she believed in luck. She believed in momentum. Below, the guard looked up, sensing presence at the top of the stairs. He squinted into the rain, his hand resting on the hilt of a blade that looked too old to be sold in a standard shop. Quinn made her decision. She holstered her flashlight but kept her hand near her weapon. She stepped onto the first concrete step. The sound of her boot hitting the stone
echoed
down the shaft, louder than she intended. The chatter below stopped. Every head turned toward the stairs. She didn't stop. She walked down with the same military precision she used to march onto a parade ground. Chin up, shoulders back. If she showed hesitation, they would smell it like blood in the water. She
was entering
a predator's den, but she was not prey. The air grew heavier as she descended, pressing against her eardrums. The light from the market grew brighter, casting long, distorted shadows against the tiled walls. She passed the turnstile, now repurposed as a checkpoint. The guard stepped in her path, blocking her way. He was tall, his skin pale as
marble
, eyes
completely
black. Token, he said. His voice sounded like grinding stones. Quinn stopped inches from him. She looked him in the eye, refusing to blink. I'm looking for someone, she said. Her voice was steady, devoid of the tremor that threatened to rise in her gut. No token, no entry, the guard said. He shifted his
weight
, the blade clearing the scabbard by an inch. The metal sang. Quinn glanced past him into the market. She saw stalls selling jars of glowing liquid, bundles of dried roots that twitched in the breeze, and maps that changed as she looked at them. This was it. The source. The place where the rules broke down. If she turned back now, Morris remained a ghost. If she pushed forward, she might join him. She reached into her pocket, not for a token, but for her identification. She held it up, the gold badge catching the lantern light. Metropolitan Police, she said. I'm here on official business. The guard looked at the badge, then at her. A slow smile spread across his face, revealing teeth that were too sharp. Official business doesn't pay the toll, Detective Quinn. He knew her name. Quinn's heart hammered against her ribs, but her face remained a mask of stone. She lowered the badge
slowly
. Then tell me what the toll is. The guard stepped aside, gesturing into the throng of the market. The toll is memory, he said. Something precious. Something you can't get back. Quinn thought of Morris. She thought of the three years of guilt that had driven her to this rainy precipice. She tightened her grip on the leather strap of her
watch
. She had plenty of memories she wished she could lose. She stepped past the guard. The market swallowed her whole. The rain faded away, replaced by the hum of magic and the whisper of secrets. She was in the Veil now. There was no going back until she found the truth, or until the dark took her too. She walked into the crowd, her eyes scanning the stalls, hunting for the suspect, hunting for the ghost of her partner, hunting for the end of the line.
created_at
"2026-02-17T02:41:20.188064+00:00"
2/17/2026, 2:41:20 AM
model
"qwen/qwen3.5-397b-a17b-20260216"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
742
moderation_latency
(null)
generation_time
104371
tokens_prompt
914
tokens_completion
4508
native_tokens_prompt
870
native_tokens_completion
4023
native_tokens_completion_images
(null)
native_tokens_reasoning
2130
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
0.0150048
router
(null)
provider_responses
0
id
"chatcmpl-7b87713d-145f-9df3-9cc9-93c419381edc"
status
200
is_byok
false
latency
742
endpoint_id
"180484a2-e24b-495a-ba41-b34b680d5a9f"
provider_name
"Alibaba"
model_permaslug
"qwen/qwen3.5-397b-a17b-20260216"
api_type
"completions"
id
"gen-1771295975-kxlX1qUpivjISlQHDP5H"
upstream_id
"chatcmpl-7b87713d-145f-9df3-9cc9-93c419381edc"
total_cost
0.0150048
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
0
adverbTagCount
0
adverbTags
(empty)
86.7812%
AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount
1513
totalAiIsmAdverbs
2
found
0
adverb
"completely"
count
1
1
adverb
"slowly"
count
1
highlights
0
"completely"
1
"slowly"
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)
47.1249%
AI-ism word frequency
Target: <1% AI-ism words (140 tracked)
wordCount
1513
totalAiIsms
8
found
0
word
"luminous"
count
1
1
word
"flicker"
count
1
2
word
"velvet"
count
1
3
word
"marble"
count
1
4
word
"fractured"
count
1
5
word
"weight"
count
1
6
word
"footsteps"
count
1
7
word
"echoed"
count
1
highlights
0
"luminous"
1
"flicker"
2
"velvet"
3
"marble"
4
"fractured"
5
"weight"
6
"footsteps"
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
152
matches
(empty)
100.0000%
Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount
3
hedgeCount
1
narrationSentences
152
filterMatches
0
"watch"
hedgeMatches
0
"seemed to"
100.0000%
Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount
0
totalSentences
152
matches
(empty)
100.0000%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
31
mean
48.61
std
24.35
cv
0.501
sampleLengths
0
85
1
72
2
75
3
63
4
62
5
39
6
113
7
39
8
42
9
68
10
59
11
15
12
77
13
37
14
79
15
32
16
38
17
48
18
47
19
55
20
9
21
35
22
22
23
62
24
33
25
30
26
4
27
26
28
24
29
41
30
76
100.0000%
Passive voice overuse
Target: ≤5% passive sentences
passiveCount
2
totalSentences
152
matches
0
"been closed"
1
"was carved"
100.0000%
Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount
3
totalVerbs
259
matches
0
"was nearing"
1
"was holding"
2
"was entering"
100.0000%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
1513
adjectiveStacks
0
stackExamples
(empty)
adverbCount
33
adverbRatio
0.021810971579643092
lyAdverbCount
8
lyAdverbRatio
0.005287508261731659
100.0000%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
152
echoCount
0
echoWords
(empty)
100.0000%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
152
mean
9.91
std
5.57
cv
0.561
sampleLengths
0
17
1
25
2
16
3
8
4
5
5
11
6
3
7
17
8
17
9
4
10
11
11
9
12
14
13
12
14
24
15
9
16
4
17
18
18
4
19
4
20
8
21
18
22
9
23
17
24
7
25
4
26
18
27
9
28
19
29
8
30
8
31
10
32
17
33
12
34
11
35
13
36
6
37
16
38
13
39
13
40
10
41
7
42
3
43
13
44
1
45
7
46
9
47
7
48
6
49
6
43.4211%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
19
diversityRatio
0.3355263157894737
totalSentences
152
uniqueOpeners
51
100.0000%
Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags
0
fancyCount
0
fancyTags
(empty)
92.7840%