Run: 2026-07-25-01KYCTQ08A4J7TNM34X4MPZR2P

Run Details

Duration:
15.8s
Cost:
$0.017268
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 fell in heavy, iron-gray sheets over Camden High Street, blurring the smeared neon signs into halos of red and sickly yellow. Harlow Quinn adjusted the collar of her coat, water running down the bridge of her nose and catching on the sharp line of her jaw. Her eyes, dark brown and unblinking, never left the silhouette moving thirty yards ahead of her. It was Tomás Herrera. She’d spent three weeks memorizing his file, staring at his NHS mugshot until the details were etched into her eyelids: twenty-nine years old, olive skin, short curly dark hair, born in Seville. A disgraced former paramedic with an unaccounted-for pocket of history and a habit of showing up wherever dead men with strange marks on their skin turned up. He moved fast for a man carrying a heavy canvas duffel. He cut through the pedestrian traffic with an agile, practiced stride, his dark coat soaked through. Beneath his cuff, when he reached up to pull his hood lower against the deluge, Harlow caught the pale flash of the long scar running along his left forearm—the knife wound from his time on the trauma beat, or so the official report claimed. Harlow didn't buy the official report. She hadn't bought official reports since the night DS Morris died three years ago in a warehouse that smelled of ozone and scorched copper, leaving behind an empty suit of clothes and a coroner’s report that read like bad fiction. Herrera veered abruptly to the right, ducking down a narrow alleyway pinched between an off-license and an abandoned bakery. Harlow reached into her coat, her hand brushing the cold steel of her Glock before resting on the worn leather strap of the watch on her left wrist. She checked the time out of pure muscle memory. 11:42 PM. She picked up her pace, her boots striking the slick cobblestones with rhythmic, military precision. "Herrera! Police! Stop right there!" she shouted, her voice cutting through the hiss of the downpour. He didn't stop. He threw a terrified glance over his shoulder—warm brown eyes widening in the dim glow of a flickering streetlamp—and broke into a full sprint. Harlow rounded the corner just in time to see him hit a rusty chain-link fence at the end of the alley. The fence bordered the dark, yawning entrance of a long-disused London Underground station. The council had boarded it up back in ninety-eight, slapping red-and-white *DANGER: NO ENTRY* signs across the plywood. But the plywood was currently splintered, kicked inward, hanging off its hinges like a broken jaw. Herrera scrambled over the chain-link, his duffel bag clacking loudly against the steel mesh. A faint glint of silver caught the streetlight from beneath his shirt collar—a Saint Christopher medallion swinging wildly as he dropped to the ground on the far side and vanished into the mouth of the station. Harlow hit the fence a second later. She hoisted her five-foot-nine frame over the rusted top rail with trained ease, landing in a crouching roll in the mud on the other side. She drew her flashlight with her left hand and kept her right hand resting heavy on her holster. "Metropolitan Police, Herrera! You've got nowhere to go!" Her beam carved through the dense, damp air inside the stairwell. The steps groaned under her boots as she descended into the cold subterranean dark. Water trickled down the tiled walls, carrying the stench of wet rot, ancient coal dust, and something else—something warm and metallic, like static electricity before a thunderstorm. The stairwell seemed to stretch down far deeper than any Northern line station had a right to go. The rustle of Herrera’s heavy coat reverberated from somewhere below, accompanied by the strange, hollow echo of voices. Not two voices arguing. Dozens of voices. A low, hummed roar of haggling, strange music, and the sharp clink of glass. Harlow stopped ten steps down, her flashlight beam trembling slightly as it lit up the tiled archway ahead. She knew this area. She had hunted suspects in Camden for eighteen years. There was no active line down here, no foot traffic, no authorized access. Yet, the air growing warmer against her rain-chilled face was thick with incense, roasted meats, and sulphur. She stepped into a vaulted concourse where the old iron tracks used to run. It wasn't a subway platform anymore. Harlow drew her weapon, holding it in a tight two-handed grip beside her flashlight. Her heart hammered against her ribs, a slow, heavy drumbeat. This was off the grid. This was the dark space where Morris had vanished. Everything inside her eighteen years of decorated service screamed at her to fall back, to call for armed response, to establish a perimeter. But she knew what would happen if she stepped back up those stairs. The radio would go to static. The dispatch officer would ask for coordinates that didn't exist. And Tomás Herrera would walk away with whatever was inside that duffel bag. She stepped off the last riser and into the Veil Market. The underground market spread out along the defunct subterranean tracks, lit by flickering brass sconces and floating glass globes filled with chemiluminescent gel. Stalls built from salvaged train doors and mahogany panels lined the platform. Figure wrapped in heavy velvet cloaks, tailored coats, and rags moved between the vendors. Harlow’s eyes darted frantically, trying to process the impossible: a woman with skin like cracked porcelain selling bone-carved whistles; an old man tossing shimmering dust into a brazier that burned with a violet flame; vials of dark, thick liquids labeled in scripts she couldn't read. Near the center of the platform, standing beside a table stacked with tarnished silver cups and obsidian blades, was Herrera. He was breathing heavily, his dark curly hair plastered to his forehead. He had his hand tossed over the counter, pressing a small, white polished object into the vendor's claw-like hand. A bone token. The vendor inspected it, nodded, and pushed a heavy leather case across the counter into Herrera's hands. Harlow leveled her firearm straight at Herrera’s chest. "Step away from the table, Tomás! Hands where I can see them! Now!" The noise of the market didn't stop, but a sudden, icy tension rippled through the immediate crowd. Hooded heads turned toward her. Dozens of eyes—some yellow, some milky white, some reflecting the torchlight like a cat's—fixed upon her high-visibility coat and her service weapon. Herrera froze, clutching the leather case to his chest. His eyes darted to the crowd, then to Harlow. He looked terrified, but not of her. He was looking at her gun as if it were a toy, and looking at the shadows behind her as if they were lethal. "Detective Quinn," Herrera said, his voice carrying a thick Spanish cadence, strained and low. "Put that away. You don't know where you are. You shouldn't have come down here." "I know exactly who you are, Herrera," Harlow said, her voice dropping into the flat, dangerous register she used in interrogation rooms. She didn't let her barrel waver. "Former NHS. Unauthorized medical care. And you’re tied to Silas’ place—that bloody bar down in Soho, the Raven's Nest. You're supplying them." "I'm keeping people alive," Herrera snapped, taking a cautious step backward toward a dark maintenance tunnel behind the stall. "People who can't go to the Royal Free. People who bleed out in alleyways because the world up there thinks they're monsters." "I don't care about your philosophy," Harlow growled, taking two measured steps forward. The crowd parted around her, whispering in languages that sounded like grinding stones and dry leaves. "You're coming in for questioning. You're going to tell me what happened to DS Morris." Herrera’s expression softened, a flash of genuine pity crossing his face. "Morris walked into a room he wasn't invited to, Detective. Just like you're doing right now." A towering figure in a heavy wool coat stepped between Harlow and Herrera. The man was well over six-foot-six, his face obscured by a iron mask shaped like a raven's beak. He held a wooden staff capped with a polished jawbone. "No iron heat in the Veil, blue-coat," the masked figure rasped, his voice vibrating in Harlow's teeth. "Law of the street ends at the top of the stairs." Harlow felt the cold sweat trickling down her spine. Her finger rested firm on the trigger. Her tactical training told her to shoot the threat in front of her, but every instinct sharpened by eighteen years of surviving the worst humanity had to offer told her that if she fired a bullet in this room, she would never see daylight again. Herrera seized the distraction. He pulled his duffel over his shoulder, clutched the new leather case under his arm, and bolted into the dark maintenance tunnel behind the stall. "Herrera!" Harlow barked. She made her choice. She didn't lower the gun, but she shifted her stance, slamming her shoulder straight into the masked giant's ribs. He grunted, surprised by the sudden, brutal efficiency of her police tackle, and stumbled back against the stall, scattering bone trinkets across the concrete. Harlow didn't look back. She plunged into the dark maintenance tunnel after Herrera, leaving the glowing lamps and whispers of the market behind. The tunnel was dead silent except for the slap of his boots ahead of her and the sound of her own ragged breathing. The air grew colder, heavy with the smell of wet earth and ancient Thames mud. Her flashlight beam bounced off the damp brickwork, chasing Herrera’s shadow as it twisted deeper into the uncharted veins beneath the city. She kept running, her leather watch ticking quietly on her wrist, driving her forward into the dark.
created_at"2026-07-25T14:26:21.584Z" 7/25/2026, 2:26:21 PM
model"google/gemini-3.6-flash-20260721"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency508
moderation_latency(null)
generation_time15775
tokens_prompt888
tokens_completion2466
native_tokens_prompt852
native_tokens_completion2132
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"
usage0.017268
router(null)
provider_responses
0
endpoint_id"5d6d133d-a953-4781-a835-7ee76f4e1388"
id"jcdkasK-KsLQjMcPm7SS2Qs"
is_byokfalse
latency508
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-1784989581-MrsG4HxDINe6r6i413uz"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1784989581-W3nu1LFZkKMwkRXAYxFh"
upstream_id"jcdkasK-KsLQjMcPm7SS2Qs"
total_cost0.017268
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
totalTags7
adverbTagCount0
adverbTags(empty)
dialogueSentences15
tagDensity0.467
leniency0.933
rawRatio0
effectiveRatio0
96.92% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1626
totalAiIsmAdverbs1
found
0
adverb"slightly"
count1
highlights
0"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)
66.17% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1626
totalAiIsms11
found
0
word"etched"
count1
1
word"rhythmic"
count1
2
word"glint"
count1
3
word"reverberated"
count1
4
word"echo"
count1
5
word"chilled"
count1
6
word"velvet"
count1
7
word"porcelain"
count1
8
word"tension"
count1
9
word"measured"
count1
10
word"down her spine"
count1
highlights
0"etched"
1"rhythmic"
2"glint"
3"reverberated"
4"echo"
5"chilled"
6"velvet"
7"porcelain"
8"tension"
9"measured"
10"down her spine"
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
emotionTells1
narrationSentences96
matches
0"looked terrified"
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount1
narrationSentences96
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)
analyzedSentences104
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen46
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans1
markdownWords3
totalWords1618
ratio0.002
matches
0"DANGER: NO ENTRY"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions8
unquotedAttributions0
matches(empty)
50.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions54
wordCount1464
uniqueNames19
maxNameDensity1.23
worstName"Harlow"
maxWindowNameDensity3.5
worstWindowName"Herrera"
discoveredNames
Camden2
High1
Street1
Quinn1
Tomás2
Herrera16
Seville1
Harlow18
Morris2
Glock1
London1
Underground1
Saint1
Christopher1
Northern1
Veil1
Market1
Spanish1
Thames1
persons
0"Quinn"
1"Tomás"
2"Herrera"
3"Harlow"
4"Morris"
5"Saint"
6"Christopher"
7"Market"
places
0"Camden"
1"High"
2"Street"
3"Seville"
4"London"
5"Veil"
6"Thames"
globalScore0.885
windowScore0.5
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences83
glossingSentenceCount1
matches
0"sounded like grinding stones and dry leave"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1618
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences104
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs40
mean40.45
std25.97
cv0.642
sampleLengths
063
163
2117
319
454
516
627
768
850
950
108
1152
1257
1318
1443
1514
166
17103
1811
1994
2020
2151
228
2313
2444
2549
2629
2750
2841
2944
3027
3141
3228
3361
3429
353
3647
3723
3860
3917
100.00% Passive voice overuse
Target: ≤2% passive sentences
passiveCount1
totalSentences96
matches
0"were etched"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs239
matches
0"was breathing"
1"was looking"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount7
semicolonCount2
flaggedSentences6
totalSentences104
ratio0.058
matches
0"Beneath his cuff, when he reached up to pull his hood lower against the deluge, Harlow caught the pale flash of the long scar running along his left forearm—the knife wound from his time on the trauma beat, or so the official report claimed."
1"He threw a terrified glance over his shoulder—warm brown eyes widening in the dim glow of a flickering streetlamp—and broke into a full sprint."
2"A faint glint of silver caught the streetlight from beneath his shirt collar—a Saint Christopher medallion swinging wildly as he dropped to the ground on the far side and vanished into the mouth of the station."
3"Water trickled down the tiled walls, carrying the stench of wet rot, ancient coal dust, and something else—something warm and metallic, like static electricity before a thunderstorm."
4"Harlow’s eyes darted frantically, trying to process the impossible: a woman with skin like cracked porcelain selling bone-carved whistles; an old man tossing shimmering dust into a brazier that burned with a violet flame; vials of dark, thick liquids labeled in scripts she couldn't read."
5"Dozens of eyes—some yellow, some milky white, some reflecting the torchlight like a cat's—fixed upon her high-visibility coat and her service weapon."
76.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1489
adjectiveStacks4
stackExamples
0"heavy, iron-gray sheets"
1"short curly dark hair,"
2"tight two-handed grip"
3"small, white polished object"
adverbCount28
adverbRatio0.01880456682337139
lyAdverbCount11
lyAdverbRatio0.007387508394895903
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences104
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences104
mean15.56
std8.98
cv0.577
sampleLengths
022
125
216
34
432
527
611
716
844
96
1040
1119
1228
139
142
1515
1616
173
1824
1921
2013
2118
2216
2314
2436
257
2625
2718
288
2911
3014
3127
3218
3318
344
353
3614
3718
384
399
4013
4117
4214
436
4414
4510
465
479
4823
4913
45.19% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats13
diversityRatio0.34615384615384615
totalSentences104
uniqueOpeners36
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences94
matches(empty)
ratio0
66.81% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount36
totalSentences94
matches
0"Her eyes, dark brown and"
1"It was Tomás Herrera."
2"She’d spent three weeks memorizing"
3"He moved fast for a"
4"He cut through the pedestrian"
5"She hadn't bought official reports"
6"She checked the time out"
7"She picked up her pace,"
8"she shouted, her voice cutting"
9"He didn't stop."
10"He threw a terrified glance"
11"She hoisted her five-foot-nine frame"
12"She drew her flashlight with"
13"Her beam carved through the"
14"She knew this area."
15"She had hunted suspects in"
16"She stepped into a vaulted"
17"It wasn't a subway platform"
18"Her heart hammered against her"
19"She stepped off the last"
ratio0.383
7.87% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount85
totalSentences94
matches
0"Rain fell in heavy, iron-gray"
1"Harlow Quinn adjusted the collar"
2"Her eyes, dark brown and"
3"It was Tomás Herrera."
4"She’d spent three weeks memorizing"
5"A disgraced former paramedic with"
6"He moved fast for a"
7"He cut through the pedestrian"
8"Harlow didn't buy the official"
9"She hadn't bought official reports"
10"Herrera veered abruptly to the"
11"Harlow reached into her coat,"
12"She checked the time out"
13"She picked up her pace,"
14"she shouted, her voice cutting"
15"He didn't stop."
16"He threw a terrified glance"
17"Harlow rounded the corner just"
18"The fence bordered the dark,"
19"The council had boarded it"
ratio0.904
53.19% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences94
matches
0"Yet, the air growing warmer"
ratio0.011
86.17% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences63
technicalSentenceCount5
matches
0"She’d spent three weeks memorizing his file, staring at his NHS mugshot until the details were etched into her eyelids: twenty-nine years old, olive skin, short…"
1"She hadn't bought official reports since the night DS Morris died three years ago in a warehouse that smelled of ozone and scorched copper, leaving behind an em…"
2"Harlow reached into her coat, her hand brushing the cold steel of her Glock before resting on the worn leather strap of the watch on her left wrist."
3"He was looking at her gun as if it were a toy, and looking at the shadows behind her as if they were lethal."
4"She kept running, her leather watch ticking quietly on her wrist, driving her forward into the dark."
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags7
uselessAdditionCount3
matches
0"she shouted, her voice cutting through the hiss of the downpour"
1"Herrera said, his voice carrying a thick Spanish cadence, strained and low"
2"figure rasped, his voice vibrating in Harlow's teeth"
0.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags6
fancyCount4
fancyTags
0"she shouted (shout)"
1"Herrera snapped (snap)"
2"Harlow growled (growl)"
3"Harlow barked (bark)"
dialogueSentences15
tagDensity0.4
leniency0.8
rawRatio0.667
effectiveRatio0.533
74.9444%