Run: 2026-05-20-01KS260Z59KCTYJHB2CKS7W774

Run Details

Duration:
13.0s
Cost:
$0.018261
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 rain in Soho did not fall so much as it drifted, a heavy, greasy mist that smeared the neon glare of the sex shops and theater marquees into long streaks of pink and amber across the wet tarmac. Detective Harlow Quinn adjusted the collar of her wax jacket, her thumb brushing the worn leather strap of the watch on her left wrist. Midnight had come and gone. The face of the watch was scratched, a relic of her days on the response beat with Morris, but it still kept perfect, military time. A hundred yards ahead, a figure in a waterlogged canvas jacket slipped through the theater crowd, moving with a fluid, desperate grace. Tomás Herrera. Quinn had been trailing him from a dimly lit alleyway near the green neon glow of the Raven’s Nest. She knew his face from the NHS disciplinary files—warm brown eyes, sharp Seville features, and a history of treating patients who didn’t exist on any municipal census. Herrera turned sharply down an alley behind a shuttered Cantonese bakery. Quinn quickened her pace, her boots striking the pavement in a steady, rhythmic cadence. She didn't run yet. Running drew attention, and in this part of London, attention was a commodity best kept cheap. She rounded the corner just in time to see the hem of Herrera’s jacket vanish down a graffiti-strewn staircase leading into the mouth of a disused Underground station. A rusted iron gate hung half-off its hinges, choked with dead ivy and crisp-packet litter. Above the archway, the iconic red roundel had been scraped clean of its name, leaving only a blank, circular scar against the brickwork. Quinn paused at the threshold. The air rising from the stairwell was warm, thick, and carried a scent that didn't belong in a decommissioned tube station—clove, wet sulfur, and the metallic tang of old copper. Her hand drifted to her belt, fingers hovering over her baton. Three years ago, she would have called for backup without a second thought. But three years ago, Morris hadn't dissolved into a puddle of brackish water in an abandoned warehouse while she watched, paralyzed by things she couldn't explain to the coroner. Under unexplained circumstances, the report had said. Quinn knew better now. There was a rot beneath the skin of the city, and Herrera was one of the surgeons keeping it alive. She descended the stairs, her footsteps swallowed by the ambient hum of the city above. The concrete steps gave way to damp tiling, cracked and furred with black mold. The further down she went, the louder the hum became, shifting from the distant rumble of surface traffic to a low, rhythmic vibration that rattled the fillings in her teeth. At the foot of the stairs, the platform corridor should have been empty, boarded up with corrugated iron. Instead, the barrier had been peeled back. Standing beside a makeshift barrier of rusted iron rebar was a figure wrapped in a heavy oilskin coat. He didn't lock eyes with her, but he held out a gnarled, dirt-caked hand. Quinn stopped. Her hand remained inside her pocket, her fingers brushing the brass knuckles she favored over her standard-issue kit. The gatekeeper didn't speak. He simply tapped a fingernail against a tin plate bolted to the wall. Scratch in the metal, barely legible, was a crude drawing of a femur. *A bone token.* She didn't have one. But she had the momentum of eighteen years of Metropolitan authority, and she had Herrera’s silhouette, currently moving thirty yards ahead through a veil of steam rising from the track bed. "Police," Quinn said, her voice a low, cool rasp that cut through the damp air. She didn't show her warrant card; in places like this, a badge was just an invitation to be gutted. Instead, she took a step forward, her sharp jaw set, her posture radiating the hard-edged precision of an ex-soldier. "Let me pass, or I return with fifty men and crowbars." The gatekeeper stared at her for a long beat, his eyes catching the faint, flickering light from the tunnel beyond. Slow, yellowed teeth showed in a grin. He lowered his hand and stepped back into the shadows of the alcove. Quinn didn't look back. She stepped through the threshold and into the Veil Market. The abandoned station had been transformed into a subterranean bazaar that defied the geography of Camden above. The old tracks had been boarded over with heavy, dark timber, creating a long, winding thoroughfare lit by rows of dripping tallow candles and sputtering gas lanterns hooked into the old electrical conduits. The air was dense with the press of bodies. These were not the commuters of the Northern Line. A woman in a velvet coat with fingers that seemed a joint too long haggled over a jar of pale, preservation fluid. A man with a patch over his left eye was laying out dried roots that twitched when the damp breeze hit them. "Fresh run," a merchant hissed from a stall constructed of warped library shelves. "Direct from the black-water docks. No salt, no silver." Quinn kept her eyes locked on Herrera's short, curly dark brown hair. He was moving fast, his olive skin slick with sweat under the yellow lantern light. He kept one hand tucked against his chest, cradling something beneath his canvas coat. Occasionally, he glanced over his shoulder. When he saw her—when he realized the woman in the wax jacket had actually crossed the threshold—his eyes widened in genuine panic. He lunged through a crowd of buyers gathered around a display of rusted iron daggers. "Herrera!" Quinn shouted, abandoning any pretense of subtlety. She shoved past a tall man whose wool coat smelled strongly of fox fur and stagnant pond water. Herrera broke into a sprint, heading down the dry passenger tunnel toward the old elevator shafts. Quinn pursued, her boots slipping slightly on a patch of grease. She vaulted a low crate of unlabeled glass vials, ignoring the vendor's hissed curse in a language that made her ears ring. The adrenaline was a cold, clean spike in her chest. This was the closest she had come to the center of the web since Morris died. She wouldn't let him slip away into the dark. The chase led them deeper into the labyrinth, away from the main pressure of the market and into the damp, brick-lined utility corridors. Here, the lanterns were scarce, replaced by patches of bio-luminescent moss that clung to the dripping Victorian masonry. Herrera took a sharp left, his boots splashing through a puddle of dark water. As he turned, his sleeve caught on a protruding piece of rusty ironwork. The fabric tore with a sharp screech, exposing his left forearm. Quinn caught a flash of the long, jagged white scar running from his wrist to his elbow—the mark of the knife attack that had ended his legitimate career. Around his neck, a Saint Christopher medallion swung wildly on its silver chain, catching the dim green light of the moss. "Stop!" she commanded, her voice echoing off the curved ceiling. "There's nowhere to go, Tomás. The whole station is a dead end." He didn't stop. He scrambled up a short flight of iron steps leading to a heavy, circular maintenance hatch—an old floodgate. He grabbed the iron wheel, straining to turn it. Quinn reached the base of the stairs, her hand locking onto his ankle. "I said, stop." Herrera kicked down, his heel catching her shoulder. The force of the blow rattled her, but she didn't let go. She climbed, using her weight to drag him down off the metal ladder. They hit the concrete floor together in a tangled heap of limbs and wet canvas. Herrera scrambled backward, his back hitting the curved iron plate of the tunnel wall. He was breathing heavily, his chest heaving under his damp shirt. The Saint Christopher medal settled against his collarbone. He looked down at her with a mixture of terror and a strange, exhausted pity. "You shouldn't be here, Detective," he panted, his hand still clutching the pocket of his coat. "You don't know what you're stepping into." "I know you're practicing medicine without a license," Quinn said, rising to her feet with deliberate, imposing slowness. She dusted the wet grime from her trousers. "I know you're supplying goods to people who don't exist. And I know you were at the docks the night three years ago when DS Morris was murdered." Herrera’s eyes darted toward the dark mouth of the tunnel behind her, then back to her face. "Morris wasn't murdered, Quinn. He was harvested. And if you keep digging into the Nest, they'll do the same to you." Quinn took a step closer, her jaw tightening until the muscle twitched. "Then you'd better start telling me who 'they' are."
created_at"2026-05-20T07:53:54.606Z" 5/20/2026, 7:53:54 AM
model"google/gemini-3.5-flash-20260519"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency784
moderation_latency(null)
generation_time12898
tokens_prompt914
tokens_completion2207
native_tokens_prompt852
native_tokens_completion1887
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"standard"
usage0.018261
router(null)
provider_responses
0
endpoint_id"bd50061c-e1d8-469e-96b1-d322e77378f8"
id"kmgNaqPMMOWs1MkPg4Th8Ak"
is_byokfalse
latency784
model_permaslug"google/gemini-3.5-flash-20260519"
provider_name"Google AI Studio"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.15.0; linux; x64))"
http_referer(null)
request_id"req-1779263634-f2jpjXB3xER0EbgssIu5"
session_id(null)
api_type"completions"
id"gen-1779263634-mlyWq1AMTMZhs9J5uxqZ"
upstream_id"kmgNaqPMMOWs1MkPg4Th8Ak"
total_cost0.018261
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"
response_cache_source_id(null)

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags6
adverbTagCount0
adverbTags(empty)
dialogueSentences14
tagDensity0.429
leniency0.857
rawRatio0
effectiveRatio0
93.23% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1477
totalAiIsmAdverbs2
found
0
adverb"sharply"
count1
1
adverb"slightly"
count1
highlights
0"sharply"
1"slightly"
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)
62.76% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1477
totalAiIsms11
found
0
word"perfect"
count1
1
word"quickened"
count1
2
word"rhythmic"
count2
3
word"footsteps"
count1
4
word"standard"
count1
5
word"velvet"
count1
6
word"constructed"
count1
7
word"echoing"
count1
8
word"weight"
count1
9
word"imposing"
count1
highlights
0"perfect"
1"quickened"
2"rhythmic"
3"footsteps"
4"standard"
5"velvet"
6"constructed"
7"echoing"
8"weight"
9"imposing"
66.67% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches2
maxInWindow2
found
0
label"eyes widened/narrowed"
count1
1
label"without second thought"
count1
highlights
0"eyes widened"
1"without a second thought"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences92
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount0
narrationSentences92
filterMatches(empty)
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences100
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen39
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans1
markdownWords3
totalWords1471
ratio0.002
matches
0"A bone token."
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions9
unquotedAttributions0
matches(empty)
94.57% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions48
wordCount1353
uniqueNames20
maxNameDensity1.11
worstName"Quinn"
maxWindowNameDensity1.5
worstWindowName"Quinn"
discoveredNames
Soho1
Harlow1
Quinn15
Morris3
Herrera11
Raven1
Nest1
Seville1
Cantonese1
London1
Underground1
Metropolitan1
Veil1
Market1
Camden1
Northern1
Line1
Victorian1
Saint2
Christopher2
persons
0"Harlow"
1"Quinn"
2"Morris"
3"Herrera"
4"Raven"
5"Saint"
6"Christopher"
places
0"Soho"
1"Seville"
2"London"
3"Veil"
globalScore0.946
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences81
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1471
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences100
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs34
mean43.26
std22.61
cv0.523
sampleLengths
093
170
245
366
435
584
615
769
832
920
1033
1135
1264
1340
1414
1550
1662
1722
1869
1915
2026
2116
2268
2341
2487
2522
2630
2716
2848
2948
3023
3154
3238
3321
86.19% Passive voice overuse
Target: ≤2% passive sentences
passiveCount5
totalSentences92
matches
0"was scratched"
1"been scraped"
2"been peeled"
3"been transformed"
4"been boarded"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs216
matches
0"was laying"
1"was breathing"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount6
semicolonCount1
flaggedSentences6
totalSentences100
ratio0.06
matches
0"She knew his face from the NHS disciplinary files—warm brown eyes, sharp Seville features, and a history of treating patients who didn’t exist on any municipal census."
1"The air rising from the stairwell was warm, thick, and carried a scent that didn't belong in a decommissioned tube station—clove, wet sulfur, and the metallic tang of old copper."
2"She didn't show her warrant card; in places like this, a badge was just an invitation to be gutted."
3"When he saw her—when he realized the woman in the wax jacket had actually crossed the threshold—his eyes widened in genuine panic."
4"Quinn caught a flash of the long, jagged white scar running from his wrist to his elbow—the mark of the knife attack that had ended his legitimate career."
5"He scrambled up a short flight of iron steps leading to a heavy, circular maintenance hatch—an old floodgate."
88.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1367
adjectiveStacks2
stackExamples
0"damp, brick-lined utility"
1"long, jagged white scar"
adverbCount31
adverbRatio0.02267739575713241
lyAdverbCount13
lyAdverbRatio0.009509875640087784
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences100
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences100
mean14.71
std7.62
cv0.518
sampleLengths
039
124
25
325
422
52
619
727
811
914
104
1116
1228
1315
1423
155
1630
1711
1813
1929
207
214
2220
2315
2414
2530
2618
277
2818
2914
302
3118
324
3313
3413
353
364
3731
3815
3919
4019
4111
4220
437
4413
454
4610
4717
4833
499
55.33% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats8
diversityRatio0.38
totalSentences100
uniqueOpeners38
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences90
matches
0"Instead, the barrier had been"
1"Instead, she took a step"
2"Occasionally, he glanced over his"
ratio0.033
95.56% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount28
totalSentences90
matches
0"She knew his face from"
1"She didn't run yet."
2"She rounded the corner just"
3"Her hand drifted to her"
4"She descended the stairs, her"
5"He didn't lock eyes with"
6"Her hand remained inside her"
7"He simply tapped a fingernail"
8"She didn't have one."
9"She didn't show her warrant"
10"He lowered his hand and"
11"She stepped through the threshold"
12"He was moving fast, his"
13"He kept one hand tucked"
14"He lunged through a crowd"
15"She shoved past a tall"
16"She vaulted a low crate"
17"She wouldn't let him slip"
18"she commanded, her voice echoing"
19"He didn't stop."
ratio0.311
54.44% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount73
totalSentences90
matches
0"The rain in Soho did"
1"Detective Harlow Quinn adjusted the"
2"Midnight had come and gone."
3"The face of the watch"
4"A hundred yards ahead, a"
5"Quinn had been trailing him"
6"She knew his face from"
7"Herrera turned sharply down an"
8"Quinn quickened her pace, her"
9"She didn't run yet."
10"She rounded the corner just"
11"A rusted iron gate hung"
12"Quinn paused at the threshold."
13"The air rising from the"
14"Her hand drifted to her"
15"Quinn knew better now."
16"She descended the stairs, her"
17"The concrete steps gave way"
18"The further down she went,"
19"He didn't lock eyes with"
ratio0.811
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences90
matches(empty)
ratio0
31.25% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences64
technicalSentenceCount10
matches
0"The rain in Soho did not fall so much as it drifted, a heavy, greasy mist that smeared the neon glare of the sex shops and theater marquees into long streaks of…"
1"She knew his face from the NHS disciplinary files—warm brown eyes, sharp Seville features, and a history of treating patients who didn’t exist on any municipal …"
2"The air rising from the stairwell was warm, thick, and carried a scent that didn't belong in a decommissioned tube station—clove, wet sulfur, and the metallic t…"
3"The further down she went, the louder the hum became, shifting from the distant rumble of surface traffic to a low, rhythmic vibration that rattled the fillings…"
4"The abandoned station had been transformed into a subterranean bazaar that defied the geography of Camden above."
5"A woman in a velvet coat with fingers that seemed a joint too long haggled over a jar of pale, preservation fluid."
6"A man with a patch over his left eye was laying out dried roots that twitched when the damp breeze hit them."
7"Here, the lanterns were scarce, replaced by patches of bio-luminescent moss that clung to the dripping Victorian masonry."
8"Quinn caught a flash of the long, jagged white scar running from his wrist to his elbow—the mark of the knife attack that had ended his legitimate career."
9"He was breathing heavily, his chest heaving under his damp shirt."
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags6
uselessAdditionCount2
matches
0"she commanded, her voice echoing off the curved ceiling"
1"he panted, his hand still clutching the pocket of his coat"
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags5
fancyCount3
fancyTags
0"a merchant hissed (hiss)"
1"Quinn shouted (shout)"
2"he panted (pant)"
dialogueSentences14
tagDensity0.357
leniency0.714
rawRatio0.6
effectiveRatio0.429
77.6001%