Run: 2026-03-11-01KKFDD5AJ7Z7PE7MN67R9EFKC

Run Details

Duration:
4m 41s
Cost:
$0.012653
Provider:
Seed

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 rain bleached London’s Soho streets into a watercolor of smeared neon, and Detective Harlow Quinn had been staring at the Raven’s Nest’s green glowing sign for twelve hours straight, her worn leather watch on her left wrist ticking off the minutes like a heartbeat she could no longer feel. Her salt-and-pepper hair, cropped close enough to show the thin scar snaking up from her neck to the edge of her temple, was stuck to her sharp jaw, the cold seeping through the unmarked Ford’s thin heater to settle in her bones. She’d staked out Silas’ bar a dozen times in the last six weeks, ever since she’d connected the clique that ran out of its hidden back room—accessible through a sliding bookshelf, as she’d learned during a late-night undercover shift six months prior, when she’d snuck past the bouncer to scope the space lined with old maps and yellowed black-and-white photographs—to the string of unexplained deaths that had started, for her, three years before. That was when DS Morris had died in her arms outside a ratty Brixton flat, his skin blistering from the inside out with no physical cause, no explanation, the department writing it off as a rare allergic reaction to something he’d inhaled in the drug lab they’d raided. Harlow had known better. She’d seen the way the light in his brown eyes had vanished, like someone had flipped a switch, and she’d spent three years digging, chasing whispers of a group that dabbled in things the Met wouldn’t even acknowledge existed, until she’d found their names, their faces, Tomás Herrera’s first and foremost. The back door of the Raven’s Nest creaked open just after 1:17 a.m., enough for a man with short curly dark brown hair to slip through, his olive skin glowing faintly under the streetlight as he yanked a black hood up, the flash of a Saint Christopher medallion catching the bar’s green neon before he tucked it under his jacket. Harlow was out of the car before the door clicked shut behind him, her military bearing making her move silent, her 5’9” frame cutting through the mist of rain as she crossed the alley, boots hitting wet cobblestones without a sound. Tomás was fast, 5’10” and lean from years of running call shifts as an NHS paramedic, and he heard her before she could close the last ten feet between them, glancing over his shoulder to spot the detective bearing down on him. As he caught himself on a stack of discarded pallets to pivot, his left sleeve slid down his forearm, baring the ragged knife scar that ran the length of the limb, and Harlow knew for certain she had her man. The file on Tomás had marked that scar, detailed his birth in Seville, his move to London at 24, the loss of his medical license two years prior for administering unauthorized treatments to three patients who’d vanished before they could be questioned. She’d long since connected those patients to the clique, the supernatural strays Tomás patched up off the books, the only medic willing to treat people who couldn’t walk into a hospital with claw marks or curse-induced fevers. Tomás broke into a run, spilling out of the alley onto Old Compton Street, weaving through a cluster of drunk tourists stumbling out of a gay club, Harlow hot on his heels, yelling that she was police, the crowd scattering like pigeons. He knocked over a night vendor’s stack of fake designer handbags, the seller cursing in rapid-fire Spanish, Tomás barking an apology over his shoulder as he darted for a idling black cab, slamming the passenger door shut before Harlow could reach him. The cab peeled away, its tires splashing through a puddle that soaked Harlow’s jeans, and she ran back to her unmarked Ford, gunning the engine to give chase, keeping three car lengths back as they wound north out of Soho, across the Thames, into Camden. The rain fell harder, streaking her windshield, but her years of pursuit training kept her from losing the cab, even as it turned off the crowded high street, now deserted at 2:03 a.m., and pulled up to a boarded-up Tube entrance, the Mornington Crescent sign faded, chipped, plastered over with graffiti. Tomás paid the driver, and the cab pulled away, leaving him standing alone in the rain, staring at the plywood wall like it was an old friend. Harlow parked half a block behind a discarded delivery van, watching as he pulled a small, smooth white object from his jacket pocket—she would later learn it was the bone token required to enter the Veil Market, the hidden supernatural black market she’d only ever heard whispered about in briefing rooms and off-the-record bar talks with old-timers who’d seen too much to deny the weirdness. Tomás held the token up to a gap between two boards, and the entire wall of plywood swung inward, silent as a breath, like it had never been bolted shut at all. He slipped through, and the door began to swing shut behind him, sealing him into the dark of the abandoned Tube station the market had set up in, three days out from the full moon that would force the market to pack up and move to a new location, as it did every month. Harlow sat in her car for a long minute, her hand resting on the Glock holstered at her hip, her brown eyes stinging from rain and exhaustion. She knew the stories about the Veil Market: enchanted trinkets that could bend luck, banned alchemical poisons that left no trace in a body, information that could bring down prime ministers and corrupt cops alike. She’d heard of two Met officers who’d gone in there chasing leads five years prior, their bodies turning up in the Thames a month later, bloated, no marks on them, just like Morris. She reached into her jacket pocket, pulling out Morris’ old detective badge, the metal warm from being pressed against her chest for three years, and she could hear his voice, that day in Brixton, saying I’ll go first, Harls, it’s just a lab, what’s the worst that can happen? What had happened was something she still didn’t understand, something supernatural that had stolen her partner, and this market, this clique, was the only lead she’d ever had that might give her answers. If she walked away now, she’d spend the rest of her life wondering, stuck behind a desk, watching the department sweep more weird deaths under the rug. If she went in, she might never come out. She opened her car door, stepping out into the rain, and walked up to the plywood door just before it clicked shut, shoving her palm into the gap to force it open. The cold that hit her wasn’t the damp chill of a London night, it was a deep, bone-deep cold that felt alive, the air thick with the smell of ozone, burnt sugar, and cardamom, the faint hum of hundreds of voices echoing off the curved tile walls of the Tube tunnel. Faint glows of blue and purple light spilled from further in, too bright and too saturated to be from regular bulbs, and she heard Tomás’ voice, sharp and warning, echoing down the tunnel. “You shouldn’t have followed me, Detective. No cop who comes in here leaves with their life, let alone their sanity.” She rounded the corner, finding Tomás standing ten feet down the tunnel, his hood dropped, his warm brown eyes fixed on her, a stall stacked with glowing green glass jars just behind him, the old woman running it staring at Harlow like she was a rat that had snuck into a larder. Harlow’s hand stayed on her gun, but she didn’t draw it, her military training keeping her posture steady, her voice even. “I’m not here to shut down your market. I’m here to find out who killed my partner, DS Morris, three years ago in Brixton. You were there, weren’t you? The clique was there. You treated someone who got hurt that night, I know you did.” Tomás’ jaw tightened, and he pushed his left sleeve up, baring the full length of his knife scar, deeper and rawer than she’d seen from across the street. “I was there. I treated a 19-year-old kid, a new witch who got caught in the crossfire of a curse gone wrong. Your partner walked in right as the caster lost control. The blast that hit Morris wasn’t meant for him. But none of that matters now. The Veil’s wardens can smell a cop’s badge before you can say hello. If you don’t leave right now, they’ll kill you before you can fire that shot. Or worse, they’ll bind your soul to this tunnel, make you a ghost forever, just another one of the Tube’s lost ones.” Harlow glanced past him, into the maze of stalls stretching deep into the old station, hundreds of figures moving between them, enchanted charms strung across the tracks, alchemical supplies stacked on rickety tables, the hum of magic thrumming under her skin, the same wrongness she’d felt the day Morris died. She could turn back, walk out the door, call it a night, wait for another lead. Or she could keep going, chase the answers she’d waited three years for, even if it killed her. She tucked her gun further into its holster, but kept her hand wrapped around the grip, and stepped forward, her boots clicking on the wet tile. “I’m not leaving,” she said, her voice firm. “Not until I get my answers. You can help me, or get out of my way. But I’m going in.” Tomás sighed, running a hand through his curly hair, and stepped aside, but not before he tossed her a small, smooth bone token identical to the one he’d used, nearly hitting her in the chest. “Keep that on you if you want to make it past the first ward. And if you so much as point that gun at anyone who isn’t trying to kill you, I’ll let them drag you off. I don’t defend cops who storm in here shooting. The last one killed a 16-year-old witch who was just selling love charms to pay her rent. Stick close, and don’t stare at anyone. If they think you’re a cop, you’re dead before you can blink.” Harlow caught the token, tucking it into her pocket next to Morris’ badge, and stepped past him, into the hum and glow of the Veil Market, the door swinging shut behind her, sealing her into the dark, for better or worse.
created_at"2026-03-11T21:41:06.314Z" 3/11/2026, 9:41:06 PM
model"bytedance-seed/seed-2.0-lite-20260309"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency922
moderation_latency(null)
generation_time145924
tokens_prompt914
tokens_completion6826
native_tokens_prompt908
native_tokens_completion6213
native_tokens_completion_images(null)
native_tokens_reasoning3959
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"stop"
usage0.012653
router(null)
provider_responses
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endpoint_id"bf1a3473-7a0a-46d3-aaa5-adb8f876a697"
id"021773265266748c2670fe791a5f29d61bdea8e0ada6c5d448145"
is_byokfalse
latency922
model_permaslug"bytedance-seed/seed-2.0-lite-20260309"
provider_name"Seed"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.0; linux; x64))"
http_referer(null)
api_type"completions"
id"gen-1773265266-bdcUy7JRIW1x074BV8PN"
upstream_id"021773265266748c2670fe791a5f29d61bdea8e0ada6c5d448145"
total_cost0.012653
cache_discount(null)
upstream_inference_cost0
provider_name"Seed"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags6
adverbTagCount0
adverbTags(empty)
dialogueSentences7
tagDensity0.857
leniency1
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1779
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)
91.57% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1779
totalAiIsms3
found
0
word"chill"
count1
1
word"echoing"
count2
highlights
0"chill"
1"echoing"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches0
maxInWindow0
found(empty)
highlights(empty)
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences38
matches(empty)
67.67% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount1
narrationSentences38
filterMatches
0"watch"
hedgeMatches
0"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences44
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen99
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1776
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions8
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions62
wordCount1307
uniqueNames28
maxNameDensity0.99
worstName"Harlow"
maxWindowNameDensity2
worstWindowName"Harlow"
discoveredNames
London3
Soho2
Detective1
Harlow13
Quinn1
Raven2
Nest2
Ford2
Morris3
Brixton1
Met2
Tomás9
Herrera1
Saint1
Christopher1
Seville1
Old1
Compton1
Street1
Spanish1
Thames2
Camden1
Tube3
Mornington1
Crescent1
Veil2
Market2
Glock1
persons
0"Detective"
1"Harlow"
2"Quinn"
3"Raven"
4"Nest"
5"Ford"
6"Morris"
7"Met"
8"Tomás"
9"Herrera"
10"Saint"
11"Christopher"
12"Market"
13"Glock"
places
0"London"
1"Soho"
2"Seville"
3"Old"
4"Compton"
5"Street"
6"Thames"
7"Camden"
8"Mornington"
9"Crescent"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences35
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1776
matches(empty)
15.15% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount2
totalSentences44
matches
0"marked that scar"
1"yelling that she"
99.16% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs12
mean148
std73.56
cv0.497
sampleLengths
0268
1262
2207
3151
4213
5136
6118
7125
8110
928
10117
1141
86.80% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences38
matches
0"was stuck"
1"been bolted"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs226
matches(empty)
77.92% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount1
semicolonCount0
flaggedSentences1
totalSentences44
ratio0.023
matches
0"Harlow parked half a block behind a discarded delivery van, watching as he pulled a small, smooth white object from his jacket pocket—she would later learn it was the bone token required to enter the Veil Market, the hidden supernatural black market she’d only ever heard whispered about in briefing rooms and off-the-record bar talks with old-timers who’d seen too much to deny the weirdness."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount378
adjectiveStacks0
stackExamples(empty)
adverbCount10
adverbRatio0.026455026455026454
lyAdverbCount0
lyAdverbRatio0
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences44
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences44
mean40.36
std19.52
cv0.484
sampleLengths
050
142
273
348
44
551
660
783
840
942
1037
1142
1242
1345
1451
1527
1665
1732
1854
1927
2035
2133
2249
2333
2427
259
2632
2751
2833
2920
3052
3121
3245
3328
3497
3550
3616
3718
3826
398
4020
4135
4282
4341
51.52% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats4
diversityRatio0.36363636363636365
totalSentences44
uniqueOpeners16
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences38
matches(empty)
ratio0
72.63% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount14
totalSentences38
matches
0"Her salt-and-pepper hair, cropped close"
1"She’d staked out"
2"She’d seen the way the"
3"She’d long since connected those"
4"He knocked over a night"
5"He slipped through, and the"
6"She knew the stories about"
7"She’d heard of two Met"
8"She reached into her jacket"
9"She opened her car door,"
10"She rounded the corner, finding"
11"She could turn back, walk"
12"She tucked her gun further"
13"she said, her voice firm"
ratio0.368
38.95% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount32
totalSentences38
matches
0"The rain bleached London’s Soho"
1"Her salt-and-pepper hair, cropped close"
2"She’d staked out"
3"That was when DS Morris"
4"Harlow had known better."
5"She’d seen the way the"
6"The back door of the"
7"Harlow was out of the"
8"The file on Tomás had"
9"She’d long since connected those"
10"Tomás broke into a run,"
11"He knocked over a night"
12"The cab peeled away, its"
13"The rain fell harder, streaking"
14"Tomás paid the driver, and"
15"Harlow parked half a block"
16"Tomás held the token up"
17"He slipped through, and the"
18"Harlow sat in her car"
19"She knew the stories about"
ratio0.842
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences38
matches
0"If she walked away now,"
1"If she went in, she"
ratio0.053
0.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences30
technicalSentenceCount14
matches
0"That was when DS Morris had died in her arms outside a ratty Brixton flat, his skin blistering from the inside out with no physical cause, no explanation, the d…"
1"She’d seen the way the light in his brown eyes had vanished, like someone had flipped a switch, and she’d spent three years digging, chasing whispers of a group…"
2"As he caught himself on a stack of discarded pallets to pivot, his left sleeve slid down his forearm, baring the ragged knife scar that ran the length of the li…"
3"The file on Tomás had marked that scar, detailed his birth in Seville, his move to London at 24, the loss of his medical license two years prior for administeri…"
4"She’d long since connected those patients to the clique, the supernatural strays Tomás patched up off the books, the only medic willing to treat people who coul…"
5"Tomás broke into a run, spilling out of the alley onto Old Compton Street, weaving through a cluster of drunk tourists stumbling out of a gay club, Harlow hot o…"
6"The cab peeled away, its tires splashing through a puddle that soaked Harlow’s jeans, and she ran back to her unmarked Ford, gunning the engine to give chase, k…"
7"Harlow parked half a block behind a discarded delivery van, watching as he pulled a small, smooth white object from his jacket pocket—she would later learn it w…"
8"He slipped through, and the door began to swing shut behind him, sealing him into the dark of the abandoned Tube station the market had set up in, three days ou…"
9"Harlow sat in her car for a long minute, her hand resting on the Glock holstered at her hip, her brown eyes stinging from rain and exhaustion."
10"She knew the stories about the Veil Market: enchanted trinkets that could bend luck, banned alchemical poisons that left no trace in a body, information that co…"
11"She’d heard of two Met officers who’d gone in there chasing leads five years prior, their bodies turning up in the Thames a month later, bloated, no marks on th…"
12"The cold that hit her wasn’t the damp chill of a London night, it was a deep, bone-deep cold that felt alive, the air thick with the smell of ozone, burnt sugar…"
13"She rounded the corner, finding Tomás standing ten feet down the tunnel, his hood dropped, his warm brown eyes fixed on her, a stall stacked with glowing green …"
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags6
uselessAdditionCount2
matches
0"the door clicked, her military bearing making her move silent, her 5’9"
1"she said, her voice firm"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount0
fancyTags(empty)
dialogueSentences7
tagDensity0.143
leniency0.286
rawRatio0
effectiveRatio0
80.0452%