Run: 2026-09-03-01M1KXPV0KB1MS691NRANM55EY

Run Details

Duration:
3m 57s
Cost:
$0.036091
Provider:
Tencent

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

AI
The green neon sign above The Raven's Nest buzzed like a dying insect, its glow bleeding into the rain-slicked asphalt of the Soho street. Detective Harlow Quinn stood in the doorway of a closed shop across the road, collar turned up against the downpour, and checked the worn leather watch on her left wrist. 11:52 PM. Two hours she had been watching the bar, two hours of rain drumming on the awning and her brown eyes narrowing every time the door opened. The Raven's Nest was a dimly lit box of a place, its walls covered with old maps and black-and-white photographs that watched the street like dead eyes. Somewhere behind those walls, past a bookshelf that swung open to reveal a hidden back room, the clique did its quiet, criminal business. Quinn suspected them of everything from extortion to murder, and tonight the thread she had been pulling had finally appeared in the flesh. Tomás Herrera stepped out of the bar. Tommy. Twenty-nine years old, short curly dark brown hair already plastered to his olive skin by the rain. A scar ran along his left forearm, a pale seam from a knife attack she had read about in the file. A Saint Christopher medallion glinted against his throat as he turned his collar up. He had been born in Seville and still carried the faint lilt of it in his voice, though he had spent years in London working for the NHS before he lost his license for administering unauthorized treatments to supernatural patients. Now he provided off-the-books medical care for the clique, patching up men who came in with wounds no ordinary knife or bullet could explain. He hesitated on the pavement, scanning the street the way a man checks for a tail. Quinn knew that look. She had put it there often enough. She stepped out of the doorway. Rain immediately soaked her closely cropped salt-and-pepper hair, running in cold rivulets down the back of her neck. At forty-one, with eighteen years of decorated service behind her, she still moved with the military precision that had been drilled into her and never quite left. At five foot nine, her stride was longer than his, and she used it now, starting across the street with her hand reaching for the warrant card in her pocket. "Herrera," she called, her voice cutting through the hiss of late-night traffic. "Tomás Herrera. Police. I want a word." He looked at her. For a half-second, recognition flickered—the copper's face, the sharp jaw, the set of a woman who did not scare off. Then he bolted. Quinn swore and broke into a run. Her shoes slapped wet pavement. Herrera darted left, into a narrow alley that stank of piss and fried onions. She followed, shoulders squared, strides even. Rain made the cobbles treacherous; she slipped once, caught herself with a hand against a brick wall, and kept going. Ahead, Herrera knocked over a stack of empty crates. They clattered across the alley. She vaulted the sprawl of broken wood without breaking pace, her brown eyes fixed on the back of his jacket. They burst out onto Charing Cross Road. Headlights sliced the rain. A black cab swerved, horn blaring, brakes shrieking. Herrera did not stop; he ran straight into the traffic, weaving between cars. Quinn followed, military precision overriding the flare of fear in her gut. A van slew to a halt inches from her hip; the driver's face was a white smear of fury. She slapped the bonnet and ran on, the worn leather watch on her wrist catching the glare of a streetlight. Somehow they kept going. The city unspooled around her in a wet blur of neon and shadow. Soho's clamour gave way to the broader, darker avenues of Fitzrovia, then the black ribbon of the canal. Her breath came in ragged pulls, but so did his. She was aware of the burn in her thighs, the leather watch strap slick against her skin, the salt-and-pepper hair plastered to her skull. He was twenty-nine and panicked; she was forty-one and patient. She would not lose him. Three years ago, she had lost Morris because she had been too slow, too blind to the shape of the thing they were chasing. DS Morris, her partner of six years, gone during a case under circumstances the file called heart failure and she called a lie. There had been symbols burned into his chest, a coldness in the room, a sense of something vast and hungry just beyond the edge of sight. Supernatural origins, the brass had murmured, then quietly shut the door. She did not understand it. She only knew the clique had been there, and that Herrera, the medic who had lost his license treating patients that shouldn't exist, was the loose thread she had been waiting for. The chase crested a rise and Camden opened up before them. Camden High Street was a river of rain and reflected light, the market stalls shuttered for the night, the big neon signs dimmed to ghosts. Herrera was flagging. She saw it in the hitch of his stride, the way his left arm—the scarred one—clutched at his side. He darted toward a fenced-off stairwell beside a bricked-up Tube entrance, a forgotten mouth to the underground. A chained gate stood ajar beneath a sign that read CAMDEN STATION — NO ENTRY. Beyond it, stairs descended into a dark lit by guttering orange lamps. Herrera reached into his pocket and pulled out a small token, carved from something yellowish and dense. Bone. He pressed it to a black box mounted on the fence. The lock gave a wet click. He pushed through the gate and slipped into the stairwell, leaving the gate to swing shut behind him. Quinn reached the fence seconds later, chest heaving, rain streaming down her face. She gripped the chain-link, her sharp jaw clenched, and peered into the stairwell. The air that breathed up from below was wrong. It smelled of ozone, old copper, burnt sugar, and something faintly rotten. She could hear a low hum, not quite mechanical, like a generator heard through water. This was it. The Veil Market. The whispers were true: a hidden supernatural black market that moved locations every full moon, currently nested in the abandoned Tube station beneath Camden. It sold enchanted goods, banned alchemical substances, and information. And it required a bone token to enter. She had no token. A figure detached itself from the shadows at the top of the stairs. Tall, coat collar up, face hidden. "Token," it said. The voice was flat, sexless. "No token, no market." Quinn flipped open her warrant card, held it up. The rain spotted the laminate. "Detective Harlow Quinn, Metropolitan Police. A suspect just ran in there. I'm following him." The figure didn't even glance at it. "No token, no market." She could call it in. Backup, a cordon, a proper entry logged and witnessed. But the market moved every full moon, and tonight was the full moon; by the time uniforms arrived, this stairwell would be empty, the market gone to some new hole in the city. Herrera would vanish, the clique would close ranks, and Morris would stay dead and unexplained. She thought of Morris's eyes, open and empty, his mouth shaping words that were not English. She did not understand the thing that had killed him. She only knew she was tired of being too late. The gate had almost swung shut; the lock had engaged. No way through without a token. She touched the worn leather watch on her left wrist, feeling the cold metal of the case through the damp strap, and made her choice. Then a shape moved behind her. A tall man in a trench coat shouldered past, ignoring her, and pressed his own bone token to the box. The lock clicked again. The gate swung inward. He started down. Quinn stepped in close behind him, warrant card still raised. "Police," she said, not shouting, putting all the flat authority of eighteen years into it. "Move aside." The trench-coat man grunted and kept walking. The gatekeeper started forward, but Quinn was already through, slipping past the man's shoulder and into the stairwell. The gate clanged shut behind her, sealing the street out with a final, echoing bang. The noise of the rain cut off as if a door had closed. The stairwell wrapped around her, tiled walls sweating moisture, old advertisements for long-dead brands peeling under the orange lamps. She descended, one hand trailing the rail, the other near her phone though she knew there was no signal down here. The hum grew louder. The air grew warmer. At the bottom, the tunnel opened onto the platform of the abandoned station, and the Veil Market swallowed her whole. Stalls crowded the platform, built from scavenged wood and tarpaulin, lit by lanterns that burned with no visible flame. Glass vials glowed with liquids that shimmered like oil on water—banned alchemical substances, the sort of thing that got people killed. A stall sold keys that unlocked doors that didn't exist. Another offered information: a bird skull on a velvet cushion, its beak moving, whispering secrets to a buyer who leaned close. The crowd was a press of bodies—some human, some not quite. Quinn felt the weight of eyes that had too many pupils, or none at all. Ahead, Tomás Herrera pushed through the throng. His curly hair was soaked, the Saint Christopher medallion bright against his chest, the scar on his forearm stark under the lantern light. He glanced back over his shoulder. Saw her. His brown eyes went wide, and then he turned and vanished into the crowd. Quinn stood at the edge of the market, rain still dripping from her cropped salt-and-pepper hair, her sharp jaw set, the worn leather watch cold against her left wrist. No backup. No token. No understanding of the rules of this place. Just the hum, the smell of burnt sugar and copper, and the certainty that she had stepped off the map. She touched the watch once, as if for luck, then moved forward with military precision, following the medic into the dark.
created_at"2026-09-03T15:20:28.442Z" 9/3/2026, 3:20:28 PM
model"tencent/hy4-preview-20260827"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1627
moderation_latency(null)
generation_time237251
tokens_prompt888
tokens_completion15580
native_tokens_prompt839
native_tokens_completion14151
native_tokens_completion_images(null)
native_tokens_reasoning11949
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
num_fetches(null)
web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"stop"
service_tier(null)
usage0.036091377
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
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request_id"req-1788448828-IRP4O0NQLtpYNxLkVwrF"
session_id(null)
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api_type"completions"
id"gen-1788448828-OY3sTnDzdBPxsbQQwwhc"
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provider_responses
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is_byokfalse
latency1619
model_permaslug"tencent/hy4-preview-20260827"
provider_name"Tencent"
status200
total_cost0.036091377
cache_discount(null)
upstream_inference_cost0
provider_name"Tencent"
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data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags3
adverbTagCount0
adverbTags(empty)
dialogueSentences8
tagDensity0.375
leniency0.75
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1704
totalAiIsmAdverbs0
found(empty)
highlights(empty)
100.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found(empty)
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
61.85% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1704
totalAiIsms13
found
0
word"lilt"
count1
1
word"scanning"
count1
2
word"flickered"
count1
3
word"treacherous"
count1
4
word"sense of"
count1
5
word"streaming"
count1
6
word"jaw clenched"
count1
7
word"mechanical"
count1
8
word"echoing"
count1
9
word"shimmered"
count1
10
word"velvet"
count1
11
word"weight"
count1
12
word"stark"
count1
highlights
0"lilt"
1"scanning"
2"flickered"
3"treacherous"
4"sense of"
5"streaming"
6"jaw clenched"
7"mechanical"
8"echoing"
9"shimmered"
10"velvet"
11"weight"
12"stark"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"jaw/fists clenched"
count1
highlights
0"jaw clenched"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences126
matches(empty)
86.17% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount5
hedgeCount0
narrationSentences126
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences131
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen40
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1700
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions3
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions55
wordCount1666
uniqueNames23
maxNameDensity0.66
worstName"Quinn"
maxWindowNameDensity1.5
worstWindowName"Herrera"
discoveredNames
Raven2
Nest2
Soho2
Harlow1
Quinn11
Herrera9
Saint2
Christopher2
Seville1
London1
Charing1
Cross1
Road1
Fitzrovia1
Morris4
Camden3
High1
Street1
Tube2
Veil2
Market2
English1
Tomás2
persons
0"Raven"
1"Nest"
2"Harlow"
3"Quinn"
4"Herrera"
5"Saint"
6"Christopher"
7"Morris"
8"Market"
9"Tomás"
places
0"Soho"
1"Seville"
2"London"
3"Charing"
4"Cross"
5"Road"
6"Camden"
7"High"
8"Street"
globalScore1
windowScore1
98.98% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences98
glossingSentenceCount2
matches
0"not quite mechanical, like a generator heard through water"
1"not quite"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1700
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences131
matches
0"knew that look"
99.04% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs22
mean77.27
std38.38
cv0.497
sampleLengths
0155
1151
2100
327
486
583
684
7121
8102
953
10113
1131
1228
1311
1498
1541
1664
1740
1881
1997
2052
2182
99.69% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences126
matches
0"been drilled"
1"was soaked"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs275
matches
0"were chasing"
1"was flagging"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount6
semicolonCount6
flaggedSentences11
totalSentences131
ratio0.084
matches
0"For a half-second, recognition flickered—the copper's face, the sharp jaw, the set of a woman who did not scare off."
1"Rain made the cobbles treacherous; she slipped once, caught herself with a hand against a brick wall, and kept going."
2"Herrera did not stop; he ran straight into the traffic, weaving between cars."
3"A van slew to a halt inches from her hip; the driver's face was a white smear of fury."
4"He was twenty-nine and panicked; she was forty-one and patient."
5"She saw it in the hitch of his stride, the way his left arm—the scarred one—clutched at his side."
6"A chained gate stood ajar beneath a sign that read CAMDEN STATION — NO ENTRY."
7"But the market moved every full moon, and tonight was the full moon; by the time uniforms arrived, this stairwell would be empty, the market gone to some new hole in the city."
8"The gate had almost swung shut; the lock had engaged."
9"Glass vials glowed with liquids that shimmered like oil on water—banned alchemical substances, the sort of thing that got people killed."
10"The crowd was a press of bodies—some human, some not quite."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1692
adjectiveStacks0
stackExamples(empty)
adverbCount51
adverbRatio0.030141843971631204
lyAdverbCount11
lyAdverbRatio0.0065011820330969266
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences131
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences131
mean12.98
std8.31
cv0.64
sampleLengths
024
130
22
326
427
523
623
77
81
917
1021
1114
1240
1324
1416
154
167
176
1818
1927
2030
2112
227
234
2420
253
267
275
2814
296
3020
319
325
3320
347
354
368
3713
3812
3919
4020
414
4213
4318
4410
4524
4610
475
4824
4923
48.35% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats15
diversityRatio0.35877862595419846
totalSentences131
uniqueOpeners47
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount5
totalSentences119
matches
0"Somewhere behind those walls, past"
1"Then he bolted."
2"Somehow they kept going."
3"Then a shape moved behind"
4"Just the hum, the smell"
ratio0.042
88.91% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount39
totalSentences119
matches
0"He had been born in"
1"He hesitated on the pavement,"
2"She had put it there"
3"She stepped out of the"
4"she called, her voice cutting"
5"He looked at her."
6"Her shoes slapped wet pavement."
7"She followed, shoulders squared, strides"
8"They clattered across the alley."
9"She vaulted the sprawl of"
10"They burst out onto Charing"
11"She slapped the bonnet and"
12"Her breath came in ragged"
13"She was aware of the"
14"He was twenty-nine and panicked;"
15"She would not lose him."
16"She did not understand it."
17"She only knew the clique"
18"She saw it in the"
19"He darted toward a fenced-off"
ratio0.328
56.64% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount96
totalSentences119
matches
0"The green neon sign above"
1"Detective Harlow Quinn stood in"
2"The Raven's Nest was a"
3"Quinn suspected them of everything"
4"Tomás Herrera stepped out of"
5"A scar ran along his"
6"A Saint Christopher medallion glinted"
7"He had been born in"
8"He hesitated on the pavement,"
9"Quinn knew that look."
10"She had put it there"
11"She stepped out of the"
12"she called, her voice cutting"
13"He looked at her."
14"Quinn swore and broke into"
15"Her shoes slapped wet pavement."
16"Herrera darted left, into a"
17"She followed, shoulders squared, strides"
18"Rain made the cobbles treacherous;"
19"They clattered across the alley."
ratio0.807
42.02% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences119
matches
0"Now he provided off-the-books medical"
ratio0.008
27.03% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences74
technicalSentenceCount12
matches
0"The Raven's Nest was a dimly lit box of a place, its walls covered with old maps and black-and-white photographs that watched the street like dead eyes."
1"Somewhere behind those walls, past a bookshelf that swung open to reveal a hidden back room, the clique did its quiet, criminal business."
2"Now he provided off-the-books medical care for the clique, patching up men who came in with wounds no ordinary knife or bullet could explain."
3"At forty-one, with eighteen years of decorated service behind her, she still moved with the military precision that had been drilled into her and never quite le…"
4"At five foot nine, her stride was longer than his, and she used it now, starting across the street with her hand reaching for the warrant card in her pocket."
5"For a half-second, recognition flickered—the copper's face, the sharp jaw, the set of a woman who did not scare off."
6"She only knew the clique had been there, and that Herrera, the medic who had lost his license treating patients that shouldn't exist, was the loose thread she h…"
7"A chained gate stood ajar beneath a sign that read CAMDEN STATION — NO ENTRY."
8"The whispers were true: a hidden supernatural black market that moved locations every full moon, currently nested in the abandoned Tube station beneath Camden."
9"She thought of Morris's eyes, open and empty, his mouth shaping words that were not English."
10"Glass vials glowed with liquids that shimmered like oil on water—banned alchemical substances, the sort of thing that got people killed."
11"Another offered information: a bird skull on a velvet cushion, its beak moving, whispering secrets to a buyer who leaned close."
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags3
uselessAdditionCount1
matches
0"she called, her voice cutting through the hiss of late-night traffic"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags3
fancyCount0
fancyTags(empty)
dialogueSentences8
tagDensity0.375
leniency0.75
rawRatio0
effectiveRatio0
83.6223%