Run: 2026-02-25-01KJ94TX1N1G49EBD8BKJ7T1WZ

Run Details

Duration:
26.2s
Cost:
$0.002392
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 hammered down, turning the narrow alley into a slick, black channel. Detective Harlow Quinn’s breath hitched, a ragged sound swallowed by the deluge. Ahead, a figure, lean and quick, scrambled over a row of overflowing bins, their movements blurring against the graffiti-scarred brickwork. Quinn tasted metal and damp concrete, the familiar grit of a chase. Eighteen years on the Metropolitan Police, and her body still remembered the hunter’s instinct, the relentless drive to close the distance. The salt-and-pepper hair, cropped short for practical efficiency, plastered itself to her scalp, clinging like a second skin. Her sharp jaw clenched, a silent promise to herself. The alley spat them out onto a wider street, where puddles had already become reflecting pools for the garish neon of shuttered businesses. A taxi swerved violently, its horn blaring a raw protest as the suspect darted across its path. Quinn didn’t break stride. She judged the gap with practiced precision, her worn leather watch a steady anchor on her left wrist as she surged forward, boots splashing through the instant river flooding the asphalt. This wasn’t just about a fleeing perp anymore. This suspect moved with a desperate agility, a furtive knowledge of the city’s shadows that spoke of something more than petty crime. Quinn had been tailing them for three days, a ghost picking up a faint trail, and tonight, the thread had finally stretched taut enough to snap. The pursuit pulled her away from the familiar hum of Soho’s nightlife and deeper into a part of the city that felt forgotten, as if even the rain hesitated to truly cleanse its grime. Buildings sagged, their windows like vacant eyes. The air grew heavy, carrying the scent of decay, stagnant water, and something else beneath it – a faint, acrid sweetness, like burnt sugar. The suspect’s route became a frantic dance through a warren of service alleys, each turn a gamble, each shadow a potential trap. Quinn followed, her senses alive, cataloging every slippery patch, every jutting pipe, her hand instinctively hovering near the reassuring weight of her service weapon. A memory, sharp and unwelcome, pierced her concentration: DS Morris. Her partner. Three years ago, a case had spiraled into something she still couldn’t explain, something that reeked of the unnatural and had swallowed Morris whole. The unexplained circumstances, the creeping dread she’d carried ever since, felt like a cold hand on her neck. Heading into this growing strangeness, this chase into the city’s raw underbelly, felt eerily like that final, unresolved chapter. The suspect vaulted a low, crumbling wall, disappearing into the skeletal remains of a derelict industrial yard. Quinn followed with a practiced roll, landing on damp, gravelly earth. She pushed herself up, rain stinging her eyes. Across the weed-choked yard, half-obscured by rusted metal carcasses and thick, unruly brambles, stood a wide, arched structure. Faded lettering, barely legible, hinted at a long-abandoned purpose. It looked like a disused entrance to something subterranean. An old Tube station, she guessed, the industrial decay felt distinctly Camden. Just as she reached the yard’s edge, she saw the suspect pause at the dark maw of the archway. Then, they moved *through* it, but not in the way one entered a building. For a bare instant, a faint, sickly green light pulsed from the very air around the entrance, a phosphorescent bloom that vanished as quickly as it appeared. The suspect was gone, absorbed by an absolute blackness that felt deeper than mere night. Quinn broke into a sprint, her heavy boots squelching on the sodden ground. She reached the imposing stone archway. It was plastered with 'Danger' signs and boarded shut, but a section near the bottom, as if designed to yield, was ajar. Muddy drag marks led to it, and scattered near the opening were small, dark objects, some pebble-like, others unnaturally smooth and glistening. She knelt, peering into the oppressive gloom. The air that seeped out was frigid, stagnant, but carried a disturbing mix of scents: damp earth, decay, a sharp metallic tang like ozone, and something cloyingly sweet, like exotic spices. From the depths, faint, distorted murmurs echoed, a babel of unsettling sounds that defied any natural explanation. This was no forgotten station for transient commuters. The whispers she’d dismissed flashed through her mind: tales of a hidden market, a nexus that appeared and disappeared, trading in the impossible. The Veil Market. It moved, they said, always seeking out forgotten places. It required a specific toll for passage. A bone token. She drew back from the threshold, her heart pounding a frantic rhythm against her ribs. Protocol demanded she call it in, wait for uniforms, secure the scene. But the men and women who’d arrive wouldn’t understand this. They wouldn’t have the clearance, the context. And they wouldn’t get here in time. The suspect, whatever they carried and wherever they were going, was already inside this… other place. The Veil Market. Where information was currency and the goods traded defied the known world. It was precisely the kind of labyrinth where the clique Quinn suspected operated, the kind of place where the lines between crime and the inexplicable dissolved. The ache in her chest sharpened. Morris. His disappearance, his last case… it had all pointed towards this impossible reality. This chase had led her to the precipice of everything she feared and everything she desperately needed to understand. Her gaze swept over the gap, through which unsettling whispers still seemed to beckon. The rain continued its relentless downpour, washing over the city, but offering no absolution, no clear path. Every instinct, honed by years of law enforcement, warred with the gnawing dread and the undeniable pull of the unknown. To step through that archway was to abandon her world, her training, her jurisdiction. It was to walk into the shadow that had claimed her partner, armed with nothing but her own resolve. To turn back was to let the truth, the crucial link, vanish into a place beyond her reach, leaving the mystery, and Morris’s fate, forever unsolved. The choice was raw, terrifying, and hers alone. Her worn leather watch ticked on, each second a heavy toll. She took a deep breath, the strange, spiced air filling her lungs, tasting of danger. Her eyes locked onto the darkness.
created_at"2026-02-25T00:57:55.515Z" 2/25/2026, 12:57:55 AM
model"google/gemini-2.5-flash-lite"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1234
moderation_latency(null)
generation_time26152
tokens_prompt914
tokens_completion4089
native_tokens_prompt852
native_tokens_completion5766
native_tokens_completion_images0
native_tokens_reasoning4431
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"
usage0.0023916
router(null)
provider_responses
0
endpoint_id"ce839073-aa24-4f29-8358-15b319bd05ec"
is_byokfalse
latency1234
model_permaslug"google/gemini-2.5-flash-lite"
provider_name"Google AI Studio"
status200
api_type"completions"
id"gen-1771981075-yDl8JaLalS4ZjwOqx8XJ"
upstream_id(null)
total_cost0.0023916
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags0
80.88% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1046
totalAiIsmAdverbs4
found
0
adverb"truly"
count1
1
adverb"very"
count1
2
adverb"quickly"
count1
3
adverb"precisely"
count1
highlights
0"truly"
1"very"
2"quickly"
3"precisely"
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)
18.74% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1046
totalAiIsms17
found
0
word"familiar"
count2
1
word"jaw clenched"
count1
2
word"dance"
count1
3
word"potential"
count1
4
word"weight"
count1
5
word"structure"
count1
6
word"maw"
count1
7
word"pulsed"
count1
8
word"imposing"
count1
9
word"glistening"
count1
10
word"oppressive"
count1
11
word"gloom"
count1
12
word"depths"
count1
13
word"echoed"
count1
14
word"pounding"
count1
15
word"resolve"
count1
highlights
0"familiar"
1"jaw clenched"
2"dance"
3"potential"
4"weight"
5"structure"
6"maw"
7"pulsed"
8"imposing"
9"glistening"
10"oppressive"
11"gloom"
12"depths"
13"echoed"
14"pounding"
15"resolve"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"jaw/fists clenched"
count1
highlights
0"jaw clenched"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences73
matches(empty)
84.15% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount1
narrationSentences73
filterMatches
0"watch"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences73
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen34
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans1
markdownWords1
totalWords1047
ratio0.001
matches
0"through"
0.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions4
unquotedAttributions2
matches
0"An old Tube station, she guessed, the industrial decay felt distinctly Camden."
1"It moved, they said, always seeking out forgotten places."
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions23
wordCount1029
uniqueNames11
maxNameDensity0.78
worstName"Quinn"
maxWindowNameDensity2
worstWindowName"Quinn"
discoveredNames
Harlow1
Quinn8
Metropolitan1
Police1
Soho1
Morris4
Tube1
Camden1
Muddy1
Veil2
Market2
persons
0"Harlow"
1"Quinn"
2"Morris"
places
0"Soho"
globalScore1
windowScore1
71.88% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences64
glossingSentenceCount2
matches
0"felt like a cold hand on her neck"
1"looked like a disused entrance to somethi"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1047
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences73
matches(empty)
42.93% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs11
mean95.18
std28.58
cv0.3
sampleLengths
0105
1131
2111
373
484
575
6118
753
867
980
10150
95.65% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences73
matches
0"was gone"
1"was plastered"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs162
matches
0"were going"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount1
semicolonCount0
flaggedSentences1
totalSentences73
ratio0.014
matches
0"The air grew heavy, carrying the scent of decay, stagnant water, and something else beneath it – a faint, acrid sweetness, like burnt sugar."
90.08% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount607
adjectiveStacks1
stackExamples
0"faint, sickly green light pulsed"
adverbCount27
adverbRatio0.044481054365733116
lyAdverbCount12
lyAdverbRatio0.019769357495881382
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences73
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences73
mean14.34
std7.75
cv0.54
sampleLengths
013
112
220
312
421
518
69
723
817
94
1031
118
1222
1326
1434
157
1624
1722
1824
1910
202
2124
2218
2319
2417
2511
268
2718
289
299
3012
3119
3214
3327
3415
3513
366
3722
3822
397
4031
4117
428
4323
443
459
467
473
4815
4912
65.30% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats4
diversityRatio0.4246575342465753
totalSentences73
uniqueOpeners31
47.62% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences70
matches
0"Then, they moved *through* it,"
ratio0.014
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount19
totalSentences70
matches
0"Her sharp jaw clenched, a"
1"She judged the gap with"
2"She pushed herself up, rain"
3"It looked like a disused"
4"She reached the imposing stone"
5"It was plastered with"
6"She knelt, peering into the"
7"It moved, they said, always"
8"It required a specific toll"
9"She drew back from the"
10"They wouldn’t have the clearance,"
11"It was precisely the kind"
12"His disappearance, his last case…"
13"it had all pointed towards"
14"Her gaze swept over the"
15"It was to walk into"
16"Her worn leather watch ticked"
17"She took a deep breath,"
18"Her eyes locked onto the"
ratio0.271
74.29% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount54
totalSentences70
matches
0"The rain hammered down, turning"
1"Detective Harlow Quinn’s breath hitched,"
2"Quinn tasted metal and damp"
3"The salt-and-pepper hair, cropped short"
4"Her sharp jaw clenched, a"
5"The alley spat them out"
6"A taxi swerved violently, its"
7"Quinn didn’t break stride."
8"She judged the gap with"
9"This wasn’t just about a"
10"This suspect moved with a"
11"Quinn had been tailing them"
12"The pursuit pulled her away"
13"Buildings sagged, their windows like"
14"The air grew heavy, carrying"
15"The suspect’s route became a"
16"Quinn followed, her senses alive,"
17"A memory, sharp and unwelcome,"
18"The unexplained circumstances, the creeping"
19"The suspect vaulted a low,"
ratio0.771
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount3
totalSentences70
matches
0"Just as she reached the"
1"To step through that archway"
2"To turn back was to"
ratio0.043
23.81% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences48
technicalSentenceCount8
matches
0"This suspect moved with a desperate agility, a furtive knowledge of the city’s shadows that spoke of something more than petty crime."
1"The pursuit pulled her away from the familiar hum of Soho’s nightlife and deeper into a part of the city that felt forgotten, as if even the rain hesitated to t…"
2"Three years ago, a case had spiraled into something she still couldn’t explain, something that reeked of the unnatural and had swallowed Morris whole."
3"For a bare instant, a faint, sickly green light pulsed from the very air around the entrance, a phosphorescent bloom that vanished as quickly as it appeared."
4"The suspect was gone, absorbed by an absolute blackness that felt deeper than mere night."
5"The air that seeped out was frigid, stagnant, but carried a disturbing mix of scents: damp earth, decay, a sharp metallic tang like ozone, and something cloying…"
6"From the depths, faint, distorted murmurs echoed, a babel of unsettling sounds that defied any natural explanation."
7"The whispers she’d dismissed flashed through her mind: tales of a hidden market, a nexus that appeared and disappeared, trading in the impossible."
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
83.1770%