NC Bench
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Run: 2026-02-17-01KHMQRBR12RV1XQWG97ANREB9
Run Details
Model:
MoonshotAI: Kimi K2.5
Test:
Bad Writing Habits
Scenario:
Thriller: chase through city streets
Duration:
2m 54s
Cost:
$0.018529
Provider:
SiliconFlow
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 needled Quinn's scalp, finding the gaps between her closely cropped salt-and-pepper hair. She didn't blink. Her military bearing kept her shoulders square despite the sodden
weight
of her coat, her left wrist anchored by the worn leather
watch
that had survived eighteen years of decorated service and three years of unanswered grief. She kept her eyes fixed on the olive-skinned man thirty meters ahead, his short curly dark hair plastered flat against his skull as he darted left onto Lexington Street, his shoes sending up silver sprays from the gutter. Tomás Herrera. Twenty-nine years old. Born Seville. Former NHS paramedic. Current ghost in the system. Quinn's jaw tightened, sharp angles cutting
stark
shadows in the sodium streetlight. Her shoes struck wet pavement with metronomic precision,
echoing
off the closed storefronts of Camden's industrial district. She didn't shout Metropolitan Police; she didn't need to waste breath. The chase had started six blocks back outside The Raven's Nest—that distinctive green neon sign buzzing like a dying insect in her peripheral vision before she'd clocked him slipping out the hidden back room of Silas' bar, the one behind the bookshelf. Now the walls covered with old maps and black-and-white photographs were behind her, replaced by concrete and iron, and the metallic taste of pursuit filled her throat like copper wire. Herrera was fast for a medic. He cut right past a closed curry house, his hand momentarily touching the brickwork for balance, and she saw the scar running along his left forearm—white and jagged, a knife attack from his past—flash pale against his sleeve. Around his neck, the Saint Christopher medallion bounced against his chest. Protector of travelers. She wondered if he thought it would help him tonight. Quinn's thighs burned as she accelerated. Three years since DS Morris had stepped into a case with unexplained circumstances and never stepped out. Three years of case files that smelled of ozone and wrongness, of corners of London that existed between the ordnance survey maps. Every lead brought her to men like Herrera—people who treated supernatural patients, who moved in the liminal spaces where the Metropolitan Police feared to tread. She was forty-one years old, five-foot-nine of disciplined muscle and suspicion, and she was done with fear. He disappeared around the corner of a derelict textile warehouse. Quinn closed the distance, her hand brushing her hip where her Glock rested in its holster. Not drawn yet. She had rules. But the rules felt thinner tonight, stretched by the rain and the memory of Morris's empty desk. She rounded the corner. The alley dead-ended at a utility building marked CAMDEN TUNNELS—CLOSED 1972. No Herrera. But a metal door—painted industrial green and rusted at the edges—stood ajar, leading down. Always down. Concrete steps descended into a darkness that swallowed the beam of her Maglite before it could find bottom. Quinn paused. Her
watch
ticked, audible above the rain drumming the pavement behind her. The last time she'd followed a suspect into underground darkness, Morris had been alive, joking about getting kebabs after the shift. Now she worked alone, chasing phantoms that left traces the department forensics team couldn't catalog—ashes that smelled of vanilla, blood that ran upward, wounds that healed before the camera shutter clicked. She drew her torch in her left hand, gripped her sidearm in her right, and descended into the abandoned Tube station. The air changed immediately. Warmer. Thicker. The smell of London rain—diesel and wet stone—gave way to something older. Ozone and myrrh. The walls
were tiled
in the cream and green of the Northern Line's abandoned arteries, but the grout between them pulsed with a faint, fungal luminescence that had nothing to do with electricity. Her shoes crunched on the steps. She looked down. Bone fragments, pale and polished, scattered like
macabre
gravel. The wound of Morris's loss, still raw and unhealed in her chest, drove her downward step by step. Her military precision kept her movements economical, her back straight, her aim steady despite the irrational pressure building behind her eyes. The supernatural origins of his disappearance that she didn't yet understand waited at the bottom of these stairs. She felt it in her teeth, in the way the shadows
seemed to
lean toward her rather than away. At the bottom, the corridor opened into the station proper. The archway that should have
been bricked
up according to city planning records gaped like a missing tooth, revealing a platform that extended into impossible space. And beyond it—light. Not electric. Something organic. Flickering blue-green phosphorescence coating the tiles, casting shadows that moved independently of their sources. Herrera stood near the platform's edge, no longer running. His chest heaved, olive skin sheened with sweat despite the chill that should have permeated this deep underground. The Saint Christopher medallion around his neck swung
gently
, catching the strange light. He pressed his scarred left forearm against his ribcage as he turned to face her, his warm brown eyes reflecting the bioluminescence with an inhuman shine. "Detective Quinn," he said. His accent—Seville, her file said—softened the detective to something almost gentle. "You shouldn't be here." She kept her torch beam centered on his chest, her sidearm lowered but ready at her thigh. She noted the tension in his shoulders, the way his
weight
balanced on the balls of his feet—not aggressive, but prepared to flee deeper. "Tomás Herrera. You're wanted for questioning regarding unauthorized medical practices. And for running from lawful detainment." "I'm running from what's coming," he said, gesturing vaguely toward the tunnel mouth behind him. "Not you. Never you, Detective." Behind him, the tunnel breathed. Quinn heard it then—the subsonic murmur of commerce, but wrong. Too quiet, too intimate. The rustle of
silk
that sounded like whispering, the clink of glass containing things that couldn't survive sunlight, negotiations conducted in frequencies that made her back teeth ache. She stepped onto the platform, her shoes grinding against more bone fragments—femurs, ribs, vertebrae polished smooth by countless
footsteps
. The Veil Market. She'd read the name in Morris's final notes, the ones Internal Affairs had confiscated and dismissed as post-traumatic stress hallucinations. A hidden supernatural black market that moved locations every full moon, selling enchanted goods and banned alchemical substances. A place requiring en
try to
kens made of bone. Herrera backed toward the tunnel mouth, where the shadows resolved into shapes—stalls draped in fabrics that shifted color when viewed indirectly, vendors with too many joints in their fingers, customers wearing cloaks of living shadow. "Your partner," he said,
watch
ing her face
carefully
, reading her reaction. "Morris. He came here too. Three years ago. He was chasing someone like you're chasing me." Quinn's finger spasmed on the trigger guard. The leather
watch
band creaked as her wrist tensed, the familiar
weight
of it grounding her. "You know something about Morris?" "I know he didn't die," Herrera said. "Not the way they told you. Not the way they found the body. But if you
cross that threshold
, Detective, if you enter the Market without a bone token and without invitation..." He shook his head, rain water—or sweat—dripping from his chin. "You might wish you had his excuse for disappearing. Some doors only open inward." She looked past him. The tunnel opened into a cavernous space that violated the geometry of the abandoned station. Stalls lined curved walls that extended farther than the London clay should have allowed. Figures moved between them—some human-shaped, some wearing the wrong number of limbs, their shadows stretching too long, too angular, reaching toward the ceiling where impossible roots twisted through concrete. Above, instead of electrical conduits, something like bioluminescent vines dripped sap that evaporated before hitting the ground, leaving trails of steam. A guard stepped forward from the shadows—gray cloak, face obscured, hand extended for the en
try to
ken she didn't possess. She had no bone token, no invitation. But the guard's eyes, visible beneath the hood, reflected no light. They simply
watch
ed, waiting to see if she would break the rules or turn back. Herrera took another step back, merging with the gloom of the entrance. "Last chance, Detective. Go back to Soho. Go back to the Raven's Nest and the safety of walls covered with old maps. Go back to a world where the Metropolitan Police has jurisdiction and the dead stay dead. This isn't your world. This isn't your war." Quinn touched her
watch
with her left thumb, tracing the worn leather strap that had survived eighteen years. The military precision that had defined her career
crystallized
into something harder, something willing to walk into darkness without backup, without sanction, without a guarantee of return. Morris had gone in. Morris had never come out. But he had left breadcrumbs, and she was done following them from a safe distance. She holstered her weapon. She wouldn't need bullets where she
was going
; she'd need resolve, and the willingness to become as much a ghost as the man she pursued. The decision settled over her like the rain had settled over London—inevitable, soaking through to the bone. "I'm not leaving," she said, and stepped forward into the Veil Market.
created_at
"2026-02-17T02:47:26.30817+00:00"
2/17/2026, 2:47:26 AM
model
"moonshotai/kimi-k2.5-0127"
app_id
182717
external_user
(null)
streamed
true
cancelled
false
latency
979
moderation_latency
(null)
generation_time
173498
tokens_prompt
914
tokens_completion
7528
native_tokens_prompt
825
native_tokens_completion
6113
native_tokens_completion_images
(null)
native_tokens_reasoning
4140
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
0.01852875
router
(null)
provider_responses
0
id
"019c697c30952bcc6e0280182891c8ff"
status
200
is_byok
false
latency
979
endpoint_id
"34bb2131-6727-40e5-9dec-8793b254ba5c"
provider_name
"SiliconFlow"
model_permaslug
"moonshotai/kimi-k2.5-0127"
api_type
"completions"
id
"gen-1771296272-BAmZYuY2N840AiJFeQeu"
upstream_id
"019c697c30952bcc6e0280182891c8ff"
total_cost
0.01852875
cache_discount
(null)
upstream_inference_cost
0
provider_name
"SiliconFlow"
Evaluation details
Result
Evaluator
Details
Meta Data
0.0000%
Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags
5
adverbTagCount
2
adverbTags
0
"he said, gesturing vaguely toward the tunnel mouth behind him [vaguely]"
1
"he said, watching her face carefully, reading her reaction [carefully]"
87.0884%
AI-ism adverb frequency
Target: <1% AI-ism adverbs (57 tracked)
wordCount
1549
totalAiIsmAdverbs
2
found
0
adverb
"carefully"
count
1
1
adverb
"gently"
count
1
highlights
0
"carefully"
1
"gently"
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)
41.8980%
AI-ism word frequency
Target: <1% AI-ism words (140 tracked)
wordCount
1549
totalAiIsms
9
found
0
word
"macabre"
count
1
1
word
"silk"
count
1
2
word
"crystallized"
count
1
3
word
"stark"
count
1
4
word
"weight"
count
3
5
word
"footsteps"
count
1
6
word
"echoing"
count
1
highlights
0
"macabre"
1
"silk"
2
"crystallized"
3
"stark"
4
"weight"
5
"footsteps"
6
"echoing"
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
102
matches
(empty)
100.0000%
Filter word density
Target: ≤12% sentences with filter/hedge words
filterCount
3
hedgeCount
3
narrationSentences
102
filterMatches
0
"watch"
hedgeMatches
0
"seemed to"
1
"try to"
100.0000%
Overuse of "that" (subordinate clause padding)
Target: ≤10% sentences with "that" clauses
thatCount
1
totalSentences
109
matches
0
"cross that threshold"
81.1706%
Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs
27
mean
56.07
std
24.34
cv
0.434
sampleLengths
0
91
1
15
2
112
3
68
4
87
5
49
6
51
7
66
8
21
9
72
10
76
11
57
12
66
13
19
14
57
15
20
16
66
17
49
18
62
19
27
20
63
21
83
22
52
23
58
24
69
25
46
26
12
100.0000%
Passive voice overuse
Target: ≤5% passive sentences
passiveCount
2
totalSentences
102
matches
0
"were tiled"
1
"been bricked"
100.0000%
Past progressive (was/were + -ing) overuse
Target: ≤10% past progressive verbs
pastProgressiveCount
1
totalVerbs
227
matches
0
"was going"
94.0000%
Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount
1394
adjectiveStacks
1
stackExamples
0
"short curly dark hair"
adverbCount
30
adverbRatio
0.021520803443328552
lyAdverbCount
10
lyAdverbRatio
0.007173601147776184
100.0000%
Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences
109
echoCount
0
echoWords
(empty)
100.0000%
Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences
109
mean
13.89
std
10.36
cv
0.746
sampleLengths
0
13
1
3
2
37
3
38
4
2
5
3
6
2
7
3
8
5
9
12
10
17
11
11
12
42
13
30
14
6
15
38
16
11
17
3
18
10
19
6
20
17
21
22
22
25
23
17
24
10
25
16
26
3
27
3
28
17
29
4
30
11
31
2
32
14
33
2
34
18
35
2
36
12
37
21
38
31
39
21
40
4
41
1
42
1
43
12
44
3
45
33
46
6
47
3
48
9
49
18
62.6911%
Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats
5
diversityRatio
0.4036697247706422
totalSentences
109
uniqueOpeners
44
25.0000%
Dialogue tag variety (said vs. fancy)
Target: ≤30% fancy dialogue tags
totalTags
5
fancyCount
3
fancyTags
0
"he said, gesturing vaguely toward the tunnel mouth behind him (say, gesture vaguely)"
1
"he said, watching her face carefully, reading her reaction (say, watch read)"
2
"she said, and stepped forward into the Veil Market (say, stepped forward)"
81.8734%