Run: 2026-07-25-01KYCSQGPQZCXAFDWEAC31AHSX

Run Details

Duration:
6.6s
Cost:
$0.003278
Provider:
Google AI Studio

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 London drizzle had settled into a steady, marrow-deep chill by midnight, slicking the Soho asphalt until every tail light and neon storefront bled into long, bruised smears of red and green. Detective Harlow Quinn did not feel the cold. Eighteen years in the Met had taught her body how to lock down its extremities, leaving only the sharp, calculating core of her mind awake. She rounded the corner of Greek Street with military precision, her boots hitting the pavement in a relentless, measured cadence. Fifty yards ahead, a familiar silhouette ducked beneath the hum of a distinctive green neon sign above the entrance of The Raven's Nest. Quinn didn't break stride. She reached the door, shoved it open, and swept her gaze across the dimly lit interior. The walls were choked with curling old maps and yellowing black-and-white photographs of a London that had vanished decades ago. The bartender looked up, but Quinn had already bypassed the counter, her eyes fixed on the back of the room. A heavy oak bookshelf stood slightly askew against the wall, revealing a sliver of darkness and a draught that smelled sharply of damp earth and ozone. The hidden back room. She slipped through the gap before the bartender could find his voice, her hand dropping instinctively to the grip of her service weapon. The clandestine meeting space beyond was empty, save for a single exit plunging steeply downward into the bowels of the city—a disused maintenance stairwell that smelled of rust and stale coal gas. Quinn descended into the dark, her jaw set, counting the concrete steps in her head. Three years of nightmares had taught her what hid in the margins of this city, ever since the night she lost DS Morris to a case that defied every standard autopsy report and ballistic curve. She still wore the worn leather watch on her left wrist that Morris had given her, a heavy reminder of what happened when you didn't look close enough at the shadows. The stairwell bottomed out abruptly, feeding into a rusted service tunnel that vibrated with the deep, bass-heavy thrum of the underground. Quinn flicked on her tactical flashlight, the beam cutting a sharp white tunnel through the dust. The concrete gave way to damp brick, then carved rock, the tunnel sloping downward at a nauseating angle until it terminated at a pair of heavy, iron-plated emergency doors blown off their hydraulic hinges. Beyond lay the Veil Market. Even from the threshold, the assault on the senses was absolute. The subterranean air was thick with the copper tang of spilled tinctures, roasting fat, and the unmistakable, ozone-heavy stink of raw magic. This sprawling, subterranean bazaar—housed tonight in an abandoned Tube station deep beneath Camden—pulsed with a sickly, bioluminescent glow from hanging glass globes filled with writhing, luminescent moss. Stalls cobbled together from salvaged corrugated tin and rotting timbers stretched across what had once been the passenger platforms. Above the rusted tracks, shadow-shrouded figures moved with unnatural grace, trading in items that the Home Office didn't have names for. Quinn stepped through the threshold, her boots crunching on something that looked suspiciously like dried bone fragments. The market was scheduled to move by the next full moon, but tonight it was crawling. A towering creature with skin the color of bruised eggplant hawked glass vials of liquid silver from a upturned crate. To her left, a woman with eyes entirely devoid of pupils weighed glowing, beetle-like carapaces on a brass scale. Her target—a man with short curly dark brown hair and a distinct limp favor on his left side—was cutting a jagged path through the press of bodies near a stall draped in heavy velvet. Tomás Herrera. A former NHS paramedic who had lost his license after the medical board found out he was running off-the-books trauma care for things that shouldn't have pulses. Herrera was slippery, a vital node connecting the city's human underground to whatever supernatural syndicate Quinn had been hunting since Morris died. Quinn pressed forward, keeping her hand loose and ready at her hip. The crowd parted around her not out of civic courtesy, but because the atmosphere of lethal, coiled competence radiating from her forty-one-year-old frame smelled unmistakably of law and danger. A few market denizens hissed softly, their irises dilating in the dark, but none dared block her path. Herrera slipped behind a stack of rusted iron grates, heading deeper into the cavernous, vaulted gloom of the defunct rail tunnels where the stalls thinned out and the true darkness began. Quinn stopped at the edge of the platform. Ahead of her, the tunnel swallowed the flickering lantern light entirely. The tracks stretched out into an absolute void, echoing with the distant, rhythmic dripping of water and something else—a low, resonant vibration that made her teeth ache and the hairs on the back of her neck stand on end. There were no guards here, no merchants, only the sprawling, unmapped labyrinth of old London's forgotten arteries. She pulled up short, her boot hovering over the ballast stone at the edge of the drop. This was the line. Behind her lay the jurisdiction of the Met, the paper trails, the coroner's reports, the familiar rules of a world that made sense even when it was cruel. Ahead lay the Veil Market, and beyond it, the deep dark where cops went missing and never came back on the blotter. She looked down at her left wrist. The secondhand of the worn leather watch ticked forward in a steady, unyielding sweep. Morris hadn't come back from the dark. But as Quinn tightened her grip on her flashlight and stepped off the platform into the freezing mud of the unmapped tunnel, she knew she was done waiting for the shadows to explain themselves.
created_at"2026-07-25T14:09:09.856Z" 7/25/2026, 2:09:09 PM
model"google/gemini-3.5-flash-lite-20260721"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency262
moderation_latency(null)
generation_time6578
tokens_prompt888
tokens_completion1476
native_tokens_prompt852
native_tokens_completion1209
native_tokens_completion_images0
native_tokens_reasoning0
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"default"
usage0.0032781
router(null)
provider_responses
0
endpoint_id"6bd8f433-79e1-416c-b407-1772eb796c9a"
id"hcNkauzUNrrwjMcPoaWdmAw"
is_byokfalse
latency262
model_permaslug"google/gemini-3.5-flash-lite-20260721"
provider_name"Google AI Studio"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.18.0; linux; x64))"
http_referer(null)
request_id"req-1784988549-kV1YS6p1RTNjPqg7214A"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1784988549-8caGPQeS38cWeo2AjBpT"
upstream_id"hcNkauzUNrrwjMcPoaWdmAw"
total_cost0.0032781
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags0
84.55% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount971
totalAiIsmAdverbs3
found
0
adverb"slightly"
count1
1
adverb"sharply"
count1
2
adverb"softly"
count1
highlights
0"slightly"
1"sharply"
2"softly"
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)
22.76% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount971
totalAiIsms15
found
0
word"chill"
count1
1
word"calculating"
count1
2
word"measured"
count1
3
word"familiar"
count2
4
word"clandestine"
count1
5
word"standard"
count1
6
word"reminder"
count1
7
word"vibrated"
count1
8
word"flicked"
count1
9
word"pulsed"
count1
10
word"velvet"
count1
11
word"gloom"
count1
12
word"echoing"
count1
13
word"rhythmic"
count1
highlights
0"chill"
1"calculating"
2"measured"
3"familiar"
4"clandestine"
5"standard"
6"reminder"
7"vibrated"
8"flicked"
9"pulsed"
10"velvet"
11"gloom"
12"echoing"
13"rhythmic"
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
narrationSentences49
matches(empty)
84.55% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount0
narrationSentences49
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences49
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
totalWords965
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions0
unquotedAttributions0
matches(empty)
98.19% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions36
wordCount965
uniqueNames17
maxNameDensity1.04
worstName"Quinn"
maxWindowNameDensity1.5
worstWindowName"Quinn"
discoveredNames
London3
Soho1
Harlow1
Quinn10
Met2
Greek1
Street1
Raven1
Nest1
Morris4
Veil2
Market2
Tube1
Camden1
Home1
Office1
Herrera3
persons
0"Harlow"
1"Quinn"
2"Raven"
3"Morris"
4"Office"
5"Herrera"
places
0"London"
1"Soho"
2"Greek"
3"Street"
globalScore0.982
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences44
glossingSentenceCount0
matches(empty)
96.37% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords1.036
wordCount965
matches
0"not out of civic courtesy, but because the atmosphere of lethal, coiled competence radiatin"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences49
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs20
mean48.25
std28.67
cv0.594
sampleLengths
065
143
286
34
455
581
671
75
8100
917
1055
1185
1259
1331
148
1567
1617
1754
1821
1941
90.94% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences49
matches
0"were choked"
1"was scheduled"
56.12% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs139
matches
0"was crawling"
1"was cutting"
2"was running"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount6
semicolonCount0
flaggedSentences4
totalSentences49
ratio0.082
matches
0"The clandestine meeting space beyond was empty, save for a single exit plunging steeply downward into the bowels of the city—a disused maintenance stairwell that smelled of rust and stale coal gas."
1"This sprawling, subterranean bazaar—housed tonight in an abandoned Tube station deep beneath Camden—pulsed with a sickly, bioluminescent glow from hanging glass globes filled with writhing, luminescent moss."
2"Her target—a man with short curly dark brown hair and a distinct limp favor on his left side—was cutting a jagged path through the press of bodies near a stall draped in heavy velvet."
3"The tracks stretched out into an absolute void, echoing with the distant, rhythmic dripping of water and something else—a low, resonant vibration that made her teeth ache and the hairs on the back of her neck stand on end."
82.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount983
adjectiveStacks3
stackExamples
0"deep, bass-heavy thrum"
1"heavy, iron-plated emergency"
2"unmistakable, ozone-heavy stink"
adverbCount25
adverbRatio0.0254323499491353
lyAdverbCount15
lyAdverbRatio0.015259409969481181
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences49
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences49
mean19.69
std9.42
cv0.478
sampleLengths
032
18
225
320
423
54
616
720
820
926
104
1123
1232
1315
1435
1531
1621
1716
1834
195
2011
2122
2227
2319
2421
2517
2616
2720
2819
2934
302
3127
3222
3312
3429
3518
3631
378
3811
3939
4017
4117
424
4328
4422
457
4614
477
4834
72.79% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats1
diversityRatio0.4489795918367347
totalSentences49
uniqueOpeners22
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences48
matches(empty)
ratio0
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount7
totalSentences48
matches
0"She rounded the corner of"
1"She reached the door, shoved"
2"She slipped through the gap"
3"She still wore the worn"
4"Her target—a man with short"
5"She pulled up short, her"
6"She looked down at her"
ratio0.146
95.42% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount35
totalSentences48
matches
0"The London drizzle had settled"
1"Detective Harlow Quinn did not"
2"She rounded the corner of"
3"Quinn didn't break stride."
4"She reached the door, shoved"
5"The walls were choked with"
6"The bartender looked up, but"
7"A heavy oak bookshelf stood"
8"The hidden back room."
9"She slipped through the gap"
10"The clandestine meeting space beyond"
11"Quinn descended into the dark,"
12"She still wore the worn"
13"The stairwell bottomed out abruptly,"
14"Quinn flicked on her tactical"
15"The concrete gave way to"
16"The subterranean air was thick"
17"This sprawling, subterranean bazaar—housed tonight"
18"Stalls cobbled together from salvaged"
19"Quinn stepped through the threshold,"
ratio0.729
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences48
matches
0"Even from the threshold, the"
1"To her left, a woman"
ratio0.042
0.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences40
technicalSentenceCount9
matches
0"The walls were choked with curling old maps and yellowing black-and-white photographs of a London that had vanished decades ago."
1"A heavy oak bookshelf stood slightly askew against the wall, revealing a sliver of darkness and a draught that smelled sharply of damp earth and ozone."
2"The clandestine meeting space beyond was empty, save for a single exit plunging steeply downward into the bowels of the city—a disused maintenance stairwell tha…"
3"Three years of nightmares had taught her what hid in the margins of this city, ever since the night she lost DS Morris to a case that defied every standard auto…"
4"The stairwell bottomed out abruptly, feeding into a rusted service tunnel that vibrated with the deep, bass-heavy thrum of the underground."
5"Quinn stepped through the threshold, her boots crunching on something that looked suspiciously like dried bone fragments."
6"A former NHS paramedic who had lost his license after the medical board found out he was running off-the-books trauma care for things that shouldn't have pulses…"
7"The tracks stretched out into an absolute void, echoing with the distant, rhythmic dripping of water and something else—a low, resonant vibration that made her …"
8"Behind her lay the jurisdiction of the Met, the paper trails, the coroner's reports, the familiar rules of a world that made sense even when it was cruel."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags0
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags0
82.7894%