Run: 2026-09-03-01M1KAZHP7RC05CHCBG75322XF

Run Details

Duration:
41.1s
Cost:
$0.001967
Provider:
StreamLake

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
Quinn was three strides behind him when he cut left past the shuttered bookshop, and the rain swallowed him whole for a heartbeat. She pounded after him, boots slapping the wet pavement, the worn leather strap of her watch clinging to her wrist like a second skin. The street narrowed into an alley that smelled of rot and cold ash, and for a moment she thought she'd lost him. Then she caught the flash of olive skin as he looked back, the gleam of a Saint Christopher medallion swinging against his chest. Tomás Herrera. She'd been tailing him for six weeks, watching him slip in and out of the city's bleeding edges, and she'd finally spooked him. She burst out of the alley into a side street off Soho Square. The green neon sign above The Raven's Nest hummed and sputtered, bleeding emerald onto the wet asphalt. He didn't go in—maybe he knew the place was under watch, or maybe he knew something worse. Instead he kept running, north, with the easy gait of a man who knew every loose slab and hidden notch in the city. Quinn's lungs burned. She was forty-one and carried no weight she didn't need, but he was a decade younger, a former paramedic who'd learned to move fast in hospital corridors and worse places. "Stop!" she called, though calling gave her away. He didn't stop. He never did. He led her through a maze of streets that turned from respectable to skeletal as she neared Camden. The rain had soaked through her coat; she could feel it running down her spine. She forced herself to match his pace. She kept her eyes on the medallion, a pale flutter of gold in the sodium light, and behind it the shape of him, hooded, slight, alive. Then he vanished again. This time there was no alley. No doorway. One moment he was twenty feet ahead, crossing the mouth of a boarded-up underpass, and the next the space was empty. Quinn skidded to a stop, breathing hard. She pulled her service weapon—not that she was supposed to be carrying it, not on her own time, but she had it all the same. The underpass was sealed with corrugated iron, a gap in the hoarding just wide enough for a man to slip through. A piece of the fence had been peeled back, rusted edges glinting. Beyond it, a stairwell dropped into blackness. She checked her six. No one. The street was dead. The rain filling the gutters sounded like applause for a show she hadn't finished. Quinn stepped through the gap, holstered her weapon without thinking, and drew a small torch from her pocket. The stairs were tiled in cracked white, covered in grime and old chewing gum. The air changed immediately—damp, cold, with a mineral undertone like wet bone. She knew the history of this place. An abandoned Tube station, closed since the Blitz, its entrances lost to decades of construction and neglect. The more recent stories were worse. Trespassers who went in and never came out. Men in dark coats who paid cash for holes in the ground. She descended. The ticket hall was vast and almost empty. Her torch swept across peeling posters for tours of London that had never happened. The turnstiles stood rusted, their gates yawning. And there, at the far end, was Tomas Herrera. He stood in front of what looked like a wall of painted brick, and he was holding something in his palm—a small white thing, a finger joint, a piece of someone's bone. He touched it to the wall. The brick shimmered, like heat haze above a bonfire, and parted. Quinn killed her torch. He didn't look back. He stepped through the shimmer, and the wall closed behind him with a sound like a exhale. She reached the wall seconds later, heart knocking against her ribs. She ran her palm over the brick. It was solid. Cold. But there was a seam in the air, a faint pressure, a wrongness that made her teeth ache. The underlying quiet of the place was alive with information—she was at the threshold of something that didn't follow her training manuals. A bone token. She needed a bone token. She knelt, shining the torch along the floor, and saw a thin white sliver lying in a crack of the tile, perhaps dropped by another visitor. She picked it up. It was surprisingly warm, with the smooth, unhappy weight of a thing that had come from a living body. It was no longer than her little finger. She'd have laughed if she'd had the breath for it. Eighteen years on the force, a partner dead under circumstances that had made her superiors look away and call it an accident, and here she was in the dark with a piece of a skeleton in her hand. Morris. His face rose unbidden: the too-still body, the story that didn't fit, the way the department had closed the file so fast it left scorch marks. She'd never understood. She still didn't. But she'd learned to listen to the silence, and this silence was not quiet. It was a held breath. She touched the bone to the brick. The wall rippled. Cold air washed over her, carrying the scent of incense, bad drains, and something sweet, like overripe fruit. The brick dissolved into a narrow passage, descending into a column of dim amber light. She heard voices below. Many voices. A low, harmonic murmur that rose and fell like a tide. Quinn's foot hovered over the threshold. She could turn back. She could call this in, wait for a warrant, wait for a sign that meant she could walk in with badges and backup and a legal right. But she'd been waiting for three years. She'd been chasing Tomás Herrera for six weeks. And behind that shimmer, she knew, was the truth about the clique, about Morris, about everything that flickered in the edge of her vision. She stepped through. The passage swallowed her, and the wall closed behind her with a wet, slick sound. She didn't stop to check if it had a door. The torch was already in her hand, but she switched it off because the light ahead was enough. The abandoned platform opened like a throat. What had once been a Tube station was now something else entirely—a bazaar, a cathedral of desperate commerce. Stalls draped in dark velvet lined the tracks, their lanterns burning with a milky, heatless flame. Shelves of jars contained pale suspended things. Blades were laid out on silk, some of them curved like the scythes of insects, some of them simple and surgical. Crowds moved through the space in the unhurried, careful way of people who did not want to be touched. She saw a woman with iridescent scales stitched to her wrists. A man whose eyes were too bright and too still. A creature in a long grey coat whose face she could not look at directly without it shifting sideways. She kept her shoulders square, her hands relaxed at her sides, and she moved through the market with military precision, scanning, cataloguing, searching for a flash of olive skin and a Saint Christopher medallion. There. Forty feet ahead, through a gap in the crowd: Tomás Herrera, moving fast, weaving between stalls, his hood down now as if he felt safe here. She could see the scar running along his left forearm as he pushed off a table. He was heading toward an archway at the far end of the platform, where red votives burned in an iron frame. Quinn followed. The market murmured around her, indifferent and predatory. She had no warrant, no backup, no division to call. She only had the bone in her pocket, the rain drying on her skin, and the shape of a man she refused to let vanish again. The vermilion light flickered, and Tomás glanced back. For a moment his gaze found hers—warm brown eyes gone wide with recognition, and something else, almost like fear. Then he ran, and Quinn ran after him, down into the deeper dark, into the heart of the Veil Market, into everything she'd spent three years refusing to name.
created_at"2026-09-03T09:53:10.871Z" 9/3/2026, 9:53:10 AM
model"deepseek/deepseek-v4-flash-20260731"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1601
moderation_latency(null)
generation_time35523
tokens_prompt888
tokens_completion5302
native_tokens_prompt906
native_tokens_completion4665
native_tokens_completion_images(null)
native_tokens_reasoning2937
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)
usage0.001966932
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788429190-OkUOqwSIKKZyZfIwmT4G"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788429190-cHZ3ZTNZQKmTkBnTjSKe"
upstream_id"req-mzj1j2-1788429196566223250"
provider_responses
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endpoint_id"89e67dfe-8499-4a5c-a1eb-2baf0e8d63ee"
is_byokfalse
latency5491
model_permaslug"deepseek/deepseek-v4-flash-20260731"
provider_name"Inceptron"
status429
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endpoint_id"ceaae883-4cba-45dd-b986-5cd0e6bf06af"
is_byokfalse
latency47
model_permaslug"deepseek/deepseek-v4-flash-20260731"
provider_name"BaseTen"
status429
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endpoint_id"d880a270-04ff-479c-b312-6246c0f985b0"
id"req-mzj1j2-1788429196566223250"
is_byokfalse
latency1598
model_permaslug"deepseek/deepseek-v4-flash-20260731"
provider_name"StreamLake"
status200
total_cost0.001966932
cache_discount(null)
upstream_inference_cost0
provider_name"StreamLake"
response_cache_source_id(null)
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
totalTags1
adverbTagCount0
adverbTags(empty)
dialogueSentences1
tagDensity1
leniency1
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1381
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)
52.93% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1381
totalAiIsms13
found
0
word"weight"
count2
1
word"could feel"
count1
2
word"down her spine"
count1
3
word"glinting"
count1
4
word"shimmered"
count1
5
word"silence"
count2
6
word"flickered"
count2
7
word"velvet"
count1
8
word"silk"
count1
9
word"scanning"
count1
highlights
0"weight"
1"could feel"
2"down her spine"
3"glinting"
4"shimmered"
5"silence"
6"flickered"
7"velvet"
8"silk"
9"scanning"
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
narrationSentences109
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount0
narrationSentences109
filterMatches
0"watch"
1"look"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences109
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen38
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1374
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions4
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions34
wordCount1373
uniqueNames17
maxNameDensity0.58
worstName"Quinn"
maxWindowNameDensity1
worstWindowName"Tomás"
discoveredNames
Saint2
Christopher2
Herrera4
Soho1
Square1
Raven1
Nest1
Camden1
Tube2
Blitz1
London1
Tomas1
Tomás4
Morris2
Quinn8
Veil1
Market1
persons
0"Saint"
1"Christopher"
2"Herrera"
3"Raven"
4"Nest"
5"Tomas"
6"Tomás"
7"Morris"
8"Quinn"
places
0"Soho"
1"London"
globalScore1
windowScore1
88.27% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences81
glossingSentenceCount2
matches
0"sounded like applause for a show she hadn'"
1"looked like a wall of painted brick, and"
54.44% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches2
per1kWords1.456
wordCount1374
matches
0"not that she was supposed to be carrying it, not on her own time, but she had it all the same"
1"not on her own time, but she had it all the same"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences109
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs27
mean50.89
std35.79
cv0.703
sampleLengths
0117
1103
214
366
433
572
624
794
82
976
1011
1125
1262
138
14105
1552
167
1753
1876
193
2043
21128
2234
2364
2446
2527
2629
89.17% Passive voice overuse
Target: ≤2% passive sentences
passiveCount5
totalSentences109
matches
0"was supposed"
1"was sealed"
2"been peeled"
3"were tiled"
4"were laid"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs225
matches
0"was holding"
1"was heading"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount7
semicolonCount1
flaggedSentences8
totalSentences109
ratio0.073
matches
0"He didn't go in—maybe he knew the place was under watch, or maybe he knew something worse."
1"The rain had soaked through her coat; she could feel it running down her spine."
2"She pulled her service weapon—not that she was supposed to be carrying it, not on her own time, but she had it all the same."
3"The air changed immediately—damp, cold, with a mineral undertone like wet bone."
4"He stood in front of what looked like a wall of painted brick, and he was holding something in his palm—a small white thing, a finger joint, a piece of someone's bone."
5"The underlying quiet of the place was alive with information—she was at the threshold of something that didn't follow her training manuals."
6"What had once been a Tube station was now something else entirely—a bazaar, a cathedral of desperate commerce."
7"For a moment his gaze found hers—warm brown eyes gone wide with recognition, and something else, almost like fear."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1383
adjectiveStacks0
stackExamples(empty)
adverbCount45
adverbRatio0.03253796095444685
lyAdverbCount6
lyAdverbRatio0.004338394793926247
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences109
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences109
mean12.61
std8.69
cv0.689
sampleLengths
023
124
222
323
42
523
613
717
817
923
103
1130
128
133
143
1518
1615
177
1826
194
206
212
2221
237
2425
2521
2612
277
284
292
304
3114
3218
3314
3412
357
3617
376
388
3912
402
418
4214
437
449
4532
466
4711
484
494
34.86% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats17
diversityRatio0.30275229357798167
totalSentences109
uniqueOpeners33
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences100
matches
0"Then she caught the flash"
1"Instead he kept running, north,"
2"Then he vanished again."
3"Then he ran, and Quinn"
ratio0.04
40.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount45
totalSentences100
matches
0"She pounded after him, boots"
1"She'd been tailing him for"
2"She burst out of the"
3"He didn't go in—maybe he"
4"She was forty-one and carried"
5"she called, though calling gave"
6"He didn't stop."
7"He never did."
8"He led her through a"
9"She forced herself to match"
10"She kept her eyes on"
11"She pulled her service weapon—not"
12"She checked her six."
13"She knew the history of"
14"Her torch swept across peeling"
15"He stood in front of"
16"He touched it to the"
17"He didn't look back."
18"He stepped through the shimmer,"
19"She reached the wall seconds"
ratio0.45
40.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount84
totalSentences100
matches
0"Quinn was three strides behind"
1"She pounded after him, boots"
2"The street narrowed into an"
3"She'd been tailing him for"
4"She burst out of the"
5"The green neon sign above"
6"He didn't go in—maybe he"
7"Quinn's lungs burned."
8"She was forty-one and carried"
9"she called, though calling gave"
10"He didn't stop."
11"He never did."
12"He led her through a"
13"The rain had soaked through"
14"She forced herself to match"
15"She kept her eyes on"
16"This time there was no"
17"Quinn skidded to a stop,"
18"She pulled her service weapon—not"
19"The underpass was sealed with"
ratio0.84
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences100
matches(empty)
ratio0
70.22% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences59
technicalSentenceCount6
matches
0"She pounded after him, boots slapping the wet pavement, the worn leather strap of her watch clinging to her wrist like a second skin."
1"Instead he kept running, north, with the easy gait of a man who knew every loose slab and hidden notch in the city."
2"The underlying quiet of the place was alive with information—she was at the threshold of something that didn't follow her training manuals."
3"It was surprisingly warm, with the smooth, unhappy weight of a thing that had come from a living body."
4"His face rose unbidden: the too-still body, the story that didn't fit, the way the department had closed the file so fast it left scorch marks."
5"Forty feet ahead, through a gap in the crowd: Tomás Herrera, moving fast, weaving between stalls, his hood down now as if he felt safe here."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags1
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount0
fancyTags(empty)
dialogueSentences1
tagDensity1
leniency1
rawRatio0
effectiveRatio0
82.3297%