Run: 2026-07-25-01KYCTN4Q2RAVFAG9TDRNAN11S

Run Details

Duration:
12.7s
Cost:
$0.014328
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
Rain pounded the asphalt of Soho, turning the neon light of the distinctive green sign above The Raven’s Nest into a smeared, emerald blur. Detective Harlow Quinn stood beneath the shadow of a recessed doorway across the street, her coat collar pulled tight against the damp chill. She turned her left wrist slightly, checking the face of her worn leather watch. 11:42 PM. Her closely cropped salt-and-pepper hair was flattened by the drizzle, water trickling past her sharp jawline, but her brown eyes remained fixed on the figure leaving the bar. Tomás Herrera pushed through the heavy wooden door, his hands jammed deep into his canvas jacket. Even from thirty yards away, Quinn recognized the fluid, guarded posture of a man who spent his life waiting for the other shoe to drop. His olive skin was pale in the sickly glow of the streetlights, his short curly dark brown hair glistening with moisture. Quinn watched him reach up, his fingers brushing the Saint Christopher medallion hanging beneath his collar—a habitual, nervous tic she had logged in her notebook over three weeks of surveillance. He turned north toward Camden, stepping briskly. Quinn fell into step forty yards behind him, her boots striking the wet pavement with practiced, silent rhythm. Eighteen years on the force taught a person how to hunt. It had taught her how to measure stride, how to blend into the shadows of brick alcoves, and how to read the tension in a suspect’s shoulders. But three years ago, when DS Morris had died in a dark alley with no blood on his clothes and no breath left in his lungs, her training had split down the middle. Half of her remained a Metropolitan Police detective bound by protocol; the other half was a ghost chasing ghosts. Herrera was the link. The former NHS paramedic had a clean record until eighteen months ago, right up until he’d been stripped of his license for administering unauthorized, off-the-books medical care. Since then, he had slipped into the city’s underbelly, treating people who didn’t go to hospitals. People who didn't leave ordinary footprints. Ahead, Herrera ducked down a narrow alleyway wedged between a derelict dry cleaner and a boarded-up takeaway. Quinn accelerated her pace, her hand resting instinctively on the heavy leather of her holster beneath her coat. She reached the mouth of the alley just in time to see Herrera lift a heavy iron grate set into the brickwork of an abandoned municipal building. He didn't hesitate. He dropped into the black expanse below, the iron grating clanging back into place with a hollow, echoing strike that vibrated through the soles of Quinn’s boots. Quinn closed the distance in five quick strides. She crouched beside the grate, rain dripping off the bridge of her nose. The air venting from the subterranean opening didn't smell like sewage or damp earth; it smelled of ozone, copper, and something sweet and heavy, like dried lavender and burning resin. She pulled her flash drive from her pocket, clicked it on, and swept the beam downward. A set of rusted iron rungs descended into a vaulted brick tunnel—an old, forgotten access shaft leading to an abandoned Tube station deep beneath Camden. Quinn paused. Her military precision demanded a risk assessment. She was alone. No backup knew her position. Crossing this threshold meant leaving the Metropolitan Police jurisdiction and stepping into a blind spot that defied every manual she had ever read. If she went down there, she was entirely on her own. *Morris,* she thought, the memory of her dead partner’s unblinking eyes flashing behind her eyelids. *He was following the same trail.* She grabbed the collar of her coat, clamped her jaws together, and swung her legs into the shaft. The descent was cold and slippery. Quinn counted the rungs—twenty-four before her boots hit a concrete catwalk. The air down here was thick, warm, and reverberated with a low, collective hum that made the teeth in her jaw ache. She drew her sidearm, holding it low at her side, and crept down the disused service tunnel. The curved tile walls were caked in decades of grime, but as she rounded a long bend, the dark tunnel opened up into a massive, cavernous station platform. Quinn stopped, slipping behind a heavy steel junction box, her pulse hammering against her ribs. This was no abandoned station. It was alive. Dozens of stalls built from reclaimed timber, iron scrap, and thick canvas lined the tracks and the platform. Lanterns burning with unnatural, amber-colored flames hung from overhead cables, casting long, twisting shadows. Figures moved between the stalls in a dense, bustling tide—some dressed in worn coats like her own, others wrapped in layered silks or heavy leather. She saw transactions made not with sterling, but with strange coins, vials of glowing liquid, and carved bone. The Veil Market. She’d heard the name whispered in the interrogations the department filed away as psychotic breaks. A black market that never stayed in one place, shifting across the city’s underground veins every full moon. Quinn pressed her back against the steel junction box, taking a slow, controlled breath through her nose. The sheer scale of it threatened to upend her sense of reality, but she forcibly narrowed her focus. She wasn't here to solve the universe. She was here to catch Herrera. She scanned the crowd, her brown eyes cutting through the haze of incense and steam. There. Fifty yards down the platform, near a stall heaped with dried herbs and silver implements, Herrera was standing with his back to her. His canvas jacket was pulled back, exposing his left forearm where the thick scar from a knife attack stood out against his skin. He was speaking frantically to a vendor—a tall figure whose face was hidden beneath a deep velvet cowl. Herrera reached into his pocket and pulled out a polished white object about the size of a coin. A bone token. He pressed it into the vendor’s hand. The vendor inspected it, nodded, and slid a small, padded leather satchel across the table. Quinn shifted her grip on her sidearm. She had him. Off-the-books medical supplies, illicit trade, unlawful entry—it was enough to haul him into an interrogation room for forty-eight hours until he talked about Morris. She stepped out from behind the junction box, keeping her posture rigid, her weight balanced. "Herrera," she called out, her voice hard and even, cutting through the low murmur of the market. Tomás Herrera froze. He didn't run immediately. Slowly, he turned around, the leather satchel clutched against his chest. His warm brown eyes widened as he recognized her, dropping to the grip of the weapon held at her side. "Detective Quinn," Herrera said, his voice carrying a rich Spanish cadence, laced now with sharp panic. He took a half-step back against the stall. "You shouldn't be here. You don't know what this place is." "I know enough," Quinn said, closing the distance between them with steady, deliberate steps. The crowd around them began to part, sensing the sudden spike in tension, figures melting back into the ambient amber shadows. "Hands where I can see them, Tomás. Drop the bag." "Quinn, listen to me," Herrera insisted, his fingers tightening on the leather strap. "If you draw a weapon down here, if you try to enforce your laws in the Market, they won't just arrest you. They'll erase you. Like they did with Morris." The name hit her like a physical blow, but Quinn’s expression didn't flinch. Her sharp jaw set tight. "You're coming with me. We're going to talk about Morris in a room with standard lighting and a court reporter." Herrera looked past her, his eyes darting toward the shadows lingering at the edge of the platform. "I'm trying to save lives, Detective. Including yours." He didn't fight. He turned and bolted into the thickest part of the crowd. "Police! Move!" Quinn shouted, abandoning stealth as she surged forward, her boots pounding against the ancient tile floor of the platform, diving headlong into the deep, unpredictable dark of the Veil Market.
created_at"2026-07-25T14:25:20.626Z" 7/25/2026, 2:25:20 PM
model"google/gemini-3.6-flash-20260721"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency563
moderation_latency(null)
generation_time12539
tokens_prompt888
tokens_completion2053
native_tokens_prompt852
native_tokens_completion1740
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"
usage0.014328
router(null)
provider_responses
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endpoint_id"5d6d133d-a953-4781-a835-7ee76f4e1388"
id"UMdkatPPMa-SjMcPq5Df4As"
is_byokfalse
latency563
model_permaslug"google/gemini-3.6-flash-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-1784989520-gwFREGafG4JjEqfvNxCh"
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api_type"completions"
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upstream_id"UMdkatPPMa-SjMcPq5Df4As"
total_cost0.014328
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upstream_inference_cost0
provider_name"Google AI Studio"
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data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags5
adverbTagCount0
adverbTags(empty)
dialogueSentences10
tagDensity0.5
leniency1
rawRatio0
effectiveRatio0
92.63% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1357
totalAiIsmAdverbs2
found
0
adverb"slightly"
count1
1
adverb"slowly"
count1
highlights
0"slightly"
1"slowly"
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)
48.42% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1357
totalAiIsms14
found
0
word"chill"
count1
1
word"glistening"
count1
2
word"tension"
count2
3
word"echoing"
count1
4
word"vibrated"
count1
5
word"reverberated"
count1
6
word"pulse"
count1
7
word"sense of"
count1
8
word"scanned"
count1
9
word"velvet"
count1
10
word"weight"
count1
11
word"standard"
count1
12
word"pounding"
count1
highlights
0"chill"
1"glistening"
2"tension"
3"echoing"
4"vibrated"
5"reverberated"
6"pulse"
7"sense of"
8"scanned"
9"velvet"
10"weight"
11"standard"
12"pounding"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"eyes widened/narrowed"
count1
highlights
0"eyes widened"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences86
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount1
narrationSentences86
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)
analyzedSentences91
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen33
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans2
markdownWords7
totalWords1350
ratio0.005
matches
0"Morris,"
1"He was following the same trail."
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions7
unquotedAttributions0
matches(empty)
90.43% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions49
wordCount1259
uniqueNames17
maxNameDensity1.19
worstName"Quinn"
maxWindowNameDensity2
worstWindowName"Quinn"
discoveredNames
Soho1
Raven1
Nest1
Harlow1
Quinn15
Herrera11
Saint1
Christopher1
Camden2
Morris3
Metropolitan2
Police2
Tube1
Veil2
Market2
Tomás2
Spanish1
persons
0"Raven"
1"Harlow"
2"Quinn"
3"Herrera"
4"Saint"
5"Christopher"
6"Morris"
7"Tomás"
places
0"Soho"
globalScore0.904
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences70
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.741
wordCount1350
matches
0"not with sterling, but with strange coins, vials of glowing liquid"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences91
matches(empty)
97.50% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs33
mean40.91
std20.1
cv0.491
sampleLengths
024
167
292
325
490
553
635
757
851
941
1051
1121
1218
1339
1445
1515
168
1775
1836
1948
2015
2165
2243
2334
2432
2538
2635
2745
2843
2938
3025
3114
3232
84.86% Passive voice overuse
Target: ≤2% passive sentences
passiveCount5
totalSentences86
matches
0"was flattened"
1"been stripped"
2"were caked"
3"was pulled"
4"was hidden"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs209
matches
0"was following"
1"was standing"
2"was speaking"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount7
semicolonCount2
flaggedSentences8
totalSentences91
ratio0.088
matches
0"Quinn watched him reach up, his fingers brushing the Saint Christopher medallion hanging beneath his collar—a habitual, nervous tic she had logged in her notebook over three weeks of surveillance."
1"Half of her remained a Metropolitan Police detective bound by protocol; the other half was a ghost chasing ghosts."
2"The air venting from the subterranean opening didn't smell like sewage or damp earth; it smelled of ozone, copper, and something sweet and heavy, like dried lavender and burning resin."
3"A set of rusted iron rungs descended into a vaulted brick tunnel—an old, forgotten access shaft leading to an abandoned Tube station deep beneath Camden."
4"Quinn counted the rungs—twenty-four before her boots hit a concrete catwalk."
5"Figures moved between the stalls in a dense, bustling tide—some dressed in worn coats like her own, others wrapped in layered silks or heavy leather."
6"He was speaking frantically to a vendor—a tall figure whose face was hidden beneath a deep velvet cowl."
7"Off-the-books medical supplies, illicit trade, unlawful entry—it was enough to haul him into an interrogation room for forty-eight hours until he talked about Morris."
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1276
adjectiveStacks1
stackExamples
0"unnatural, amber-colored flames"
adverbCount20
adverbRatio0.01567398119122257
lyAdverbCount12
lyAdverbRatio0.009404388714733543
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences91
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences91
mean14.84
std8.36
cv0.564
sampleLengths
024
123
214
32
428
516
625
721
830
97
1018
1111
1227
1333
1419
154
1627
1716
186
1917
2018
2127
223
2327
248
2513
2630
2716
2825
292
307
313
325
3323
3411
3515
366
3718
386
3911
4022
4117
4228
4315
445
453
4618
4714
4825
4918
61.54% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats4
diversityRatio0.3956043956043956
totalSentences91
uniqueOpeners36
40.16% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences83
matches
0"Slowly, he turned around, the"
ratio0.012
60.96% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount33
totalSentences83
matches
0"She turned her left wrist"
1"Her closely cropped salt-and-pepper hair"
2"His olive skin was pale"
3"He turned north toward Camden,"
4"It had taught her how"
5"She reached the mouth of"
6"He didn't hesitate."
7"He dropped into the black"
8"She crouched beside the grate,"
9"She pulled her flash drive"
10"Her military precision demanded a"
11"She was alone."
12"*He was following the same"
13"She grabbed the collar of"
14"She drew her sidearm, holding"
15"It was alive."
16"She saw transactions made not"
17"She’d heard the name whispered"
18"She wasn't here to solve"
19"She was here to catch"
ratio0.398
26.27% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount72
totalSentences83
matches
0"Rain pounded the asphalt of"
1"Detective Harlow Quinn stood beneath"
2"She turned her left wrist"
3"Her closely cropped salt-and-pepper hair"
4"Tomás Herrera pushed through the"
5"His olive skin was pale"
6"Quinn watched him reach up,"
7"He turned north toward Camden,"
8"Quinn fell into step forty"
9"It had taught her how"
10"Half of her remained a"
11"Herrera was the link."
12"The former NHS paramedic had"
13"People who didn't leave ordinary"
14"Quinn accelerated her pace, her"
15"She reached the mouth of"
16"He didn't hesitate."
17"He dropped into the black"
18"Quinn closed the distance in"
19"She crouched beside the grate,"
ratio0.867
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences83
matches
0"Even from thirty yards away,"
1"If she went down there,"
ratio0.024
63.49% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences54
technicalSentenceCount6
matches
0"Quinn watched him reach up, his fingers brushing the Saint Christopher medallion hanging beneath his collar—a habitual, nervous tic she had logged in her notebo…"
1"He dropped into the black expanse below, the iron grating clanging back into place with a hollow, echoing strike that vibrated through the soles of Quinn’s boot…"
2"Crossing this threshold meant leaving the Metropolitan Police jurisdiction and stepping into a blind spot that defied every manual she had ever read."
3"The air down here was thick, warm, and reverberated with a low, collective hum that made the teeth in her jaw ache."
4"Quinn stopped, slipping behind a heavy steel junction box, her pulse hammering against her ribs."
5"Herrera looked past her, his eyes darting toward the shadows lingering at the edge of the platform."
25.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags5
uselessAdditionCount1
matches
0"Herrera insisted, his fingers tightening on the leather strap"
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags5
fancyCount3
fancyTags
0"she called out (call out)"
1"Herrera insisted (insist)"
2"Quinn shouted (shout)"
dialogueSentences10
tagDensity0.5
leniency1
rawRatio0.6
effectiveRatio0.6
79.5088%