Run: 2026-07-25-01KYCT3DAW23D0NYY6AWQFR28W

Run Details

Duration:
14.4s
Cost:
$0.013976
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 fell in relentless, icy needles that glittered beneath the amber glare of Soho’s streetlights. Harlow Quinn pressed the flat of her palm against her coat to silence the brass clinking of her handcuffs, her breath blooming in fast, ragged plumes before her face. Ahead of her, a blurred figure darted through the gloom, dodging between parked delivery vans and the slick, grease-stained cobblestones outside The Raven’s Nest. Even through the deluge, the bar’s green neon sign buzzed with an erratic, insectoid hum, casting a sickly chartreuse wash over the puddles. Harlow caught the sharp glance of the fleeing man as he rounded the corner—warm brown eyes, olive skin slicked with rainwater, and a flash of dark curls clinging to his forehead. Tomás Herrera. Harlow checked her stride, her worn leather watch catching the neon light on her left wrist. Three minutes since she’d flushed him out of the alley behind the bar. Her boots slid slightly on the wet asphalt, but she snapped her hips, recovering her footing with the practiced, muscle-memory discipline of eighteen years on the force. "Herrera! Metropolitan Police! Stand down!" Her voice cut through the downpour, sharp and flat as a slate edge. Herrera didn't slow. He shoved past a row of metal trash bins, sending them clattering into the street. Harlow leaped over a rolling tin lid, her sharp jaw set tight as her heart hammered against her ribs. She was closing the gap. She could see the tear in the left sleeve of his jacket, revealing the pale line of a long scar running along his forearm, and the glint of a silver Saint Christopher medallion bouncing violently against his chest with every stride. He wasn't running like a street dealer or a mugger. His movements were frantic, but precise—the desperate geometry of a man who knew exactly where he was going and precisely what would happen to him if he got caught. He sprinted away from the commercial drag of Soho, veering north toward the quiet, derelict edges where the city collapsed into industrial decay. Harlow kept her eyes locked on his shoulders. Three years ago, she had chased another lead down another rain-soaked alleyway, and DS Morris had gone into the dark ahead of her. Morris hadn't come back out. Not in any way that made sense to a coroner, and certainly not in any way that made sense on an official incident report. She wasn't going to let another suspect slip into the shadows. Herrera veered sharply into an abandoned construction site near the edge of Camden. The rusted chain-link fence had been pried open, pulled back like a peeled tin can. Herrera slithered through the gap. Harlow didn't hesitate; she lunged through after him, the jagged wire snagging the wool of her coat with a sharp tear. The chase plummeted down a concrete ramp, away from the rain and into the mouth of a disused Tube station. The air changed instantly. The crisp, cold smell of wet London asphalt yielded to a thick, suffocating draft that tasted of ozone, damp limestone, and something heavy and metallic, like crushed iron ore and stale tallow. Dampness hung in the subterranean gloom, dropping from the curved tiled ceiling in slow, rhythmic thuds. "Herrera!" Harlow pulled her sidearm, her torch snapping on in her left hand. The beam sliced through the dark, catching the red brick of the vaulted tunnel and the old, peeling posters of half-forgotten West End plays from forty years ago. Ahead, Herrera reached a set of rusted iron gates that should have been padlocked shut. Instead, he reached into his pocket, pulled out something small and white, and pressed it against a carved recess in the iron frame. A sharp, dry crack echoes through the tunnel—the sound of splintering enamel. The heavy gate swung backward without a single squeak of rusted hinges, yielding to the bone token. Herrera scrambled through, leaving the gate swinging open like an invitation. Harlow slowed her pace as she reached the threshold. She shone her torch down. There, lying in the damp grime near the gate's footing, was a tiny sliver of white—a fragment of polished rib bone, etched with microscopic, spiraling grooves that seemed to twitch under the beam of her light. She paused, her boots suspended over the boundary line. Her military-bred instincts screamed at her to fall back. This wasn't standard terrain. The Metropolitan Police handbook had no protocol for doors that unlocked with carved fragments of skeleton, nor for the strange, pulsing warmth that vibrated through the soles of her shoes from the darkness ahead. This was the threshold of the Veil Market. She’d heard the whispered, absurd names in the fringes of her investigation—an underground bazaar that shifted with the moon, selling things that defied chemical analysis and physical law. If she crossed this line alone, without backup, without a radio signal that could penetrate fifty feet of solid London clay, she was entirely off the grid. If she died down here, she would become another unsolved file in a dusty cabinet, just like Morris. She touched the leather strap of her watch. She thought of Morris's empty desk, the silence in the precinct, and the stubborn, nagging void that had eaten at her life for thirty-six months. Harlow took a deep, steadying breath, gripped her weapon with both hands, and stepped through the gate. The tunnel sloped steeply downward, curving in a wide spiral that disoriented her inner ear. The silence of the abandoned station began to fray, replaced by a low, thrumming hum that vibrated in her teeth. It sounded like a cathedral organ playing a single, bottomless chord beneath the earth. She rounded a final turn, and the gloom shattered. The vast, vaulted cavern of the disused station opened up beneath her like the belly of a leviathan. Lanterns glowing with trapped, violet flames hung from the cast-iron ribs of the ceiling. Where train tracks used to run, wooden stalls draped in heavy velvet and iron chains spilled over the ballast. The air was dense with the conflicting stenches of burning frankincense, wet fur, and sharp, acidic alchemical vapors. Dozens of figures moved through the narrow aisles between the tracks—some dressed in tailored coats, others wrapped in cloaks that seemed to swallow the light around them. They traded polished glass vials, silver jars of glowing sediment, and bound ledgers that hummed with quiet static. It was a market, but it was a market built on the corpse of logic. Harlow pulled her coat tighter, tucking her sidearm low against her thigh, though she kept her fingers wrapped around the grip. Her brown eyes swept the crowd with razor sharpness, carving through the exotic chaos to track her prey. There. Fifty yards down the platform, weaving frantically through a cluster of figures huddled around a stall displaying shimmering, iridescent pelts, was Tomás Herrera. He was clutching his left forearm, his knuckles white, looking back over his shoulder with wide, terrified eyes. Harlow moved. She kept her posture rigid, her steps deliberate, carving a line through the bustling shadowy denizens of the underground market. A figure in a heavy leather apron stepped into her path, holding out a shallow brass dish containing three translucent, writhing worms that emitted a faint golden light. Harlow didn't break stride; she placed her hand squarely against the seller's chest and shoved him aside with cold, unyielding authority. "Out of the way," she muttered, her sharp jaw set, her focus locked entirely on the fleeing man. Herrera glanced back again, caught sight of her salt-and-pepper hair cut close against the violet lantern light, and panicked. He lunged off the platform, scrambling across the track bed toward a dark archway labeled *No Entry* in faded Victorian enamel. "Herrera!" Harlow broke into a stride, her boots ringing against the stone, ready to bring the full weight of her eighteen years on the force down upon the secrets of the dark.
created_at"2026-07-25T14:15:39.622Z" 7/25/2026, 2:15:39 PM
model"google/gemini-3.6-flash-20260721"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency606
moderation_latency(null)
generation_time14132
tokens_prompt888
tokens_completion2022
native_tokens_prompt852
native_tokens_completion1693
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"
usage0.0139755
router(null)
provider_responses
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endpoint_id"5d6d133d-a953-4781-a835-7ee76f4e1388"
id"C8VkarCPKdqe_uMP5cvTKA"
is_byokfalse
latency606
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-1784988939-HOb4zPyyfnGzjtNcoiDZ"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1784988939-95NOOWUNctiqKDsaXXiZ"
upstream_id"C8VkarCPKdqe_uMP5cvTKA"
total_cost0.0139755
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
totalTags3
adverbTagCount0
adverbTags(empty)
dialogueSentences4
tagDensity0.75
leniency1
rawRatio0
effectiveRatio0
88.74% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1332
totalAiIsmAdverbs3
found
0
adverb"slightly"
count1
1
adverb"precisely"
count1
2
adverb"sharply"
count1
highlights
0"slightly"
1"precisely"
2"sharply"
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)
36.19% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1332
totalAiIsms17
found
0
word"silence"
count3
1
word"gloom"
count3
2
word"glint"
count1
3
word"rhythmic"
count1
4
word"echoes"
count1
5
word"etched"
count1
6
word"standard"
count1
7
word"warmth"
count1
8
word"vibrated"
count2
9
word"shattered"
count1
10
word"velvet"
count1
11
word"weight"
count1
highlights
0"silence"
1"gloom"
2"glint"
3"rhythmic"
4"echoes"
5"etched"
6"standard"
7"warmth"
8"vibrated"
9"shattered"
10"velvet"
11"weight"
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
narrationSentences76
matches(empty)
30.08% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount4
narrationSentences76
filterMatches
0"watch"
hedgeMatches
0"happen to"
1"seemed to"
2"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences76
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen41
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans1
markdownWords2
totalWords1326
ratio0.002
matches
0"No Entry"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions3
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions45
wordCount1315
uniqueNames20
maxNameDensity0.99
worstName"Harlow"
maxWindowNameDensity2
worstWindowName"Harlow"
discoveredNames
Soho2
Quinn1
Raven1
Nest1
Herrera8
Saint1
Christopher1
Morris4
Camden1
Tube1
London2
West1
End1
Metropolitan1
Police1
Veil1
Market1
Tomás2
Victorian1
Harlow13
persons
0"Quinn"
1"Herrera"
2"Saint"
3"Christopher"
4"Morris"
5"Market"
6"Tomás"
7"Harlow"
places
0"Soho"
1"Raven"
2"London"
3"West"
4"End"
globalScore1
windowScore1
36.36% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences66
glossingSentenceCount3
matches
0"grooves that seemed to twitch under the beam of her light"
1"sounded like a cathedral organ playing a s"
2"cloaks that seemed to swallow the light around them"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1326
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences76
matches(empty)
98.78% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs30
mean44.2
std21.91
cv0.496
sampleLengths
069
156
256
318
483
539
694
754
820
952
1041
1150
1228
1350
149
1583
1645
1733
1817
1949
209
2151
2263
2315
2439
2542
2671
2718
2840
2932
91.41% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences76
matches
0"got caught"
1"been pried"
2"been padlocked"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs202
matches
0"was closing"
1"was going"
2"was clutching"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount6
semicolonCount2
flaggedSentences8
totalSentences76
ratio0.105
matches
0"Harlow caught the sharp glance of the fleeing man as he rounded the corner—warm brown eyes, olive skin slicked with rainwater, and a flash of dark curls clinging to his forehead."
1"His movements were frantic, but precise—the desperate geometry of a man who knew exactly where he was going and precisely what would happen to him if he got caught."
2"Harlow didn't hesitate; she lunged through after him, the jagged wire snagging the wool of her coat with a sharp tear."
3"A sharp, dry crack echoes through the tunnel—the sound of splintering enamel."
4"There, lying in the damp grime near the gate's footing, was a tiny sliver of white—a fragment of polished rib bone, etched with microscopic, spiraling grooves that seemed to twitch under the beam of her light."
5"She’d heard the whispered, absurd names in the fringes of her investigation—an underground bazaar that shifted with the moon, selling things that defied chemical analysis and physical law."
6"Dozens of figures moved through the narrow aisles between the tracks—some dressed in tailored coats, others wrapped in cloaks that seemed to swallow the light around them."
7"Harlow didn't break stride; she placed her hand squarely against the seller's chest and shoved him aside with cold, unyielding authority."
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1331
adjectiveStacks1
stackExamples
0"sharp, acidic alchemical vapors."
adverbCount25
adverbRatio0.018782870022539443
lyAdverbCount14
lyAdverbRatio0.010518407212622089
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences76
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences76
mean17.45
std8.74
cv0.501
sampleLengths
016
129
224
323
431
52
616
713
827
918
103
1115
1219
135
1441
1510
1629
1723
188
1923
205
2124
2211
2313
2415
255
2621
2720
284
2932
3016
3113
3228
3315
3423
3512
3617
3711
389
395
4036
419
429
434
4434
458
4628
4727
4818
498
47.81% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats7
diversityRatio0.34210526315789475
totalSentences76
uniqueOpeners26
45.66% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences73
matches
0"Instead, he reached into his"
ratio0.014
88.49% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount24
totalSentences73
matches
0"Her boots slid slightly on"
1"Her voice cut through the"
2"He shoved past a row"
3"She was closing the gap."
4"She could see the tear"
5"He wasn't running like a"
6"His movements were frantic, but"
7"He sprinted away from the"
8"She wasn't going to let"
9"She shone her torch down."
10"She paused, her boots suspended"
11"Her military-bred instincts screamed at"
12"She’d heard the whispered, absurd"
13"She touched the leather strap"
14"She thought of Morris's empty"
15"It sounded like a cathedral"
16"She rounded a final turn,"
17"They traded polished glass vials,"
18"It was a market, but"
19"Her brown eyes swept the"
ratio0.329
35.34% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount62
totalSentences73
matches
0"The rain fell in relentless,"
1"Harlow Quinn pressed the flat"
2"Harlow caught the sharp glance"
3"Harlow checked her stride, her"
4"Her boots slid slightly on"
5"Her voice cut through the"
6"Herrera didn't slow."
7"He shoved past a row"
8"Harlow leaped over a rolling"
9"She was closing the gap."
10"She could see the tear"
11"He wasn't running like a"
12"His movements were frantic, but"
13"He sprinted away from the"
14"Harlow kept her eyes locked"
15"Morris hadn't come back out."
16"She wasn't going to let"
17"Herrera veered sharply into an"
18"The rusted chain-link fence had"
19"Herrera slithered through the gap."
ratio0.849
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount3
totalSentences73
matches
0"Even through the deluge, the"
1"If she crossed this line"
2"If she died down here,"
ratio0.041
0.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences56
technicalSentenceCount14
matches
0"The rain fell in relentless, icy needles that glittered beneath the amber glare of Soho’s streetlights."
1"Harlow Quinn pressed the flat of her palm against her coat to silence the brass clinking of her handcuffs, her breath blooming in fast, ragged plumes before her…"
2"Her boots slid slightly on the wet asphalt, but she snapped her hips, recovering her footing with the practiced, muscle-memory discipline of eighteen years on t…"
3"She could see the tear in the left sleeve of his jacket, revealing the pale line of a long scar running along his forearm, and the glint of a silver Saint Chris…"
4"His movements were frantic, but precise—the desperate geometry of a man who knew exactly where he was going and precisely what would happen to him if he got cau…"
5"The crisp, cold smell of wet London asphalt yielded to a thick, suffocating draft that tasted of ozone, damp limestone, and something heavy and metallic, like c…"
6"There, lying in the damp grime near the gate's footing, was a tiny sliver of white—a fragment of polished rib bone, etched with microscopic, spiraling grooves t…"
7"The Metropolitan Police handbook had no protocol for doors that unlocked with carved fragments of skeleton, nor for the strange, pulsing warmth that vibrated th…"
8"She’d heard the whispered, absurd names in the fringes of her investigation—an underground bazaar that shifted with the moon, selling things that defied chemica…"
9"She thought of Morris's empty desk, the silence in the precinct, and the stubborn, nagging void that had eaten at her life for thirty-six months."
10"The tunnel sloped steeply downward, curving in a wide spiral that disoriented her inner ear."
11"The silence of the abandoned station began to fray, replaced by a low, thrumming hum that vibrated in her teeth."
12"They traded polished glass vials, silver jars of glowing sediment, and bound ledgers that hummed with quiet static."
13"A figure in a heavy leather apron stepped into her path, holding out a shallow brass dish containing three translucent, writhing worms that emitted a faint gold…"
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags3
uselessAdditionCount1
matches
0"Harlow pulled, her torch snapping on in her left hand"
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount1
fancyTags
0"she muttered (mutter)"
dialogueSentences4
tagDensity0.25
leniency0.5
rawRatio1
effectiveRatio0.5
73.0953%