Run: 2026-02-25-01KJ95G3SHX5HDH2H0RB7KZJQW

Run Details

Duration:
23.5s
Cost:
$0.002450
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 an incessant rhythm against the London pavement, each drop a tiny, cold fist. It turned the city into a watercolour bleed of neon and shadow, distorting the familiar streetlights into blooming, watery lilies. Detective Harlow Quinn felt it soak through her trench coat, a cold seep that mirrored the gnawing chill in her gut, but she didn’t slow. Her quarry, a gaunt shadow hunched against the downpour, was thirty yards ahead, a flickering ghost between the gleaming tarmac and the skeletal trees lining the deserted square. Eighteen years on the force, and she’d learned to read more than just body language. She read the frantic, economical movements of a man who knew he was hunted. He was heading east, away from the pulsing heart of Soho, towards the older, grimmer arteries of the city. That sharp jaw of hers was set, her closely cropped salt-and-pepper hair plastered to her temples. Her movements, even in a dead sprint, held a military precision that belied the storm’s chaotic embrace. He risked a glance back, the glare of a distant traffic signal catching the desperate flare in his eyes, and ducked into a narrow alley. A garbage bin, overturned, spilled its foul bounty onto the slick cobbles. Harlow didn't hesitate, her polished boots finding purchase on wet brick despite the sudden change of direction. The alley was a choked artery of overflowing maggot-white bins and dripping fire escapes, the air thick with the stench of refuse and damp decay. The suspect was a blur of motion ahead, his footsteps splashing through unseen puddles, a desperate percussion against the drumming rain. He moved with the coiled urgency of a trapped animal, but there was a sinister familiarity to his path that unsettled her, too many quick turns, too many shadowed recessions he seemed to anticipate, avoiding the dead ends that should have trapped him. Then, he burst out of the alley and onto a wider, equally deserted street. He didn’t pause, instead veering sharply towards a recessed doorway, a scar etched into the soot-stained façade of a forgotten building. It wasn't a shop, or a residence. It was a derelict access point, sealed with grey, grime-caked boards, leading inexorably down. A faded sign, half-obscured by a grasping tangle of ivy, offered a ghost of a promise, its weathered lettering barely legible: 'Underground Services.' It was the kind of forgotten entrance that marked the city's aging underbelly, a place no one went willingly, not unless they knew exactly what they were looking for, or exactly what they were running from. Harlow slowed her pace, her breath misting in the frigid air, the sudden relative stillness amplifying the storm’s roar. The rain seemed to hold its breath with her. She watched the suspect, a lean figure now vanishing down the steep, narrow stairs, swallowed by the absolute darkness below. He hadn't just disappeared; he’d *descended*. The thought prickled at her, a cold needle piercing the professional calm she’d cultivated over nearly two decades of navigating the city's concrete labyrinth. This felt…wrong. Unfamiliar. The scent in the air shifted, the metallic tang of rain and city grime replaced by something deeper, earthy, and faintly acrid, like mineral deposits and centuries of undisturbed dust. It was the smell of things best left undisturbed. She edged closer, her eyes straining against the ink-black opening. The stone steps, slick with algae and the ceaseless downpour, plunged into an abyss. Her mind, honed by years of sifting through mundane evidence, struggled to reconcile what she saw with the primal instinct screaming at her from somewhere deep within. This wasn't a basement, or a forgotten cellar. This was an entrance to somewhere else. Three years. Three years since DS Morris had gone missing. Not missing-presumed-dead, not vanished-without-a-trace, but *gone*. Vanished during a case that had led them down a rabbit hole of whispers and shadows none of the precinct understood. He’d always been the one to chase the inexplicable, the fringe; she’d been the anchor, the pragmatist. But the few fragments they'd found, the residual energy readings, the impossible witness accounts whispered with trembling lips… they’d pointed him towards places like this. Places that lived beneath the skin of the city, places that didn't abide by the rules of gravity or logic. She knew about them, of course. Whispers. Rumors that slithered through the precinct's underbelly, dismissed by most as fever dreams or urban legends concocted by informants desperate for a score. 'The Veil Market.' A place that shifted, reappeared, fed on secrets and necessities that the daylight world refused to acknowledge. And the entry, they said, wasn't always straightforward. A token. Some kind of… proof of passage. A bone, perhaps. A sliver of bone, etched with symbols that could buy you a moment's admittance into the bizarre, nocturnal bazaar. Harlow reached for the worn leather strap of her watch on her left wrist, a familiar, solid weight. Silas. Her partner. Had he stood at a threshold like this, armed with nothing but a belief that the truth, however strange, was worth pursuing? She had no such token. She, Detective Harlow Quinn, was standing at the maw of a place that dealt in the impossible, the forbidden, with nothing but her badge, her service weapon, and a gaping hole where her partner used to be. Her olive-skinned suspect was gone, swallowed by the darkness. He was now inside, wherever 'inside' truly meant, behind a barrier she couldn't breach with standard procedure. Every rational cell in her body screamed at her to turn back, to radio it in, to let the specialised units handle the anomaly. Let them deal with whatever lay beneath the storm-swept streets. Her training lectured her on jurisdiction, on the sanctity of the established order. But the memory of Morris’s last, frantic message, fragmented and choked with static: *“Harlow, it’s not what we thought… it’s deeper… they’re not… disappearances…”* It was a ghost that clung to her, cold and insistent, pushing her beyond the edge of professional detachment. This was the periphery that had consumed him. Was this her chance, her only chance, to understand what had happened? To find the answers that had eluded her, and the entire force, for three agonizing years? Failure here wouldn't just be a missed arrest; it would be another ghost to add to the tally, another unanswered question echoing in the silence Morris had left behind. The sharp line of her jaw tightened, her posture straightening with an ingrained discipline that fought against the primal fear coiling in her stomach. This was not a crime scene. It was a descent. The rain continued to fall, a relentless, indifferent witness. The darkness below seemed to pulse, a silent invitation or a deadly trap. She felt the familiar weight of her service weapon, cold against her hip. Then, she felt the ghost of Morris's hand on her shoulder, a phantom reassurance, or a terrible warning. The city was a maze, and she had always prided herself on mapping its every twist and turn. But this part of the map was blank, deliberately erased. She took a breath, the cold air burning her lungs, tasting of ozone and damp earth, tasting suspiciously like the edge of the unreal. She was an officer of the law, trained to uphold its boundaries, to protect the defined edges of reality. But some boundaries, she’d learned in the most brutal, unforgettable way possible, were merely suggestions to those who knew how to step outside them. Her worn leather watch, ticking its steady, ordinary time, was a stark contrast to the extraordinary moment stretching before her. The suspect was gone. The Veil Market waited. She stepped towards the void.
created_at"2026-02-25T01:09:30.551Z" 2/25/2026, 1:09:30 AM
model"google/gemini-2.5-flash-lite"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1137
moderation_latency(null)
generation_time23506
tokens_prompt914
tokens_completion4124
native_tokens_prompt852
native_tokens_completion5913
native_tokens_completion_images0
native_tokens_reasoning4263
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"
usage0.0024504
router(null)
provider_responses
0
endpoint_id"ce839073-aa24-4f29-8358-15b319bd05ec"
is_byokfalse
latency1137
model_permaslug"google/gemini-2.5-flash-lite"
provider_name"Google AI Studio"
status200
api_type"completions"
id"gen-1771981770-vK4B6flDt8dgwgU6GuzU"
upstream_id(null)
total_cost0.0024504
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
totalTags2
adverbTagCount0
adverbTags(empty)
dialogueSentences1
tagDensity1
leniency1
rawRatio0
effectiveRatio0
84.40% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1282
totalAiIsmAdverbs4
found
0
adverb"sharply"
count1
1
adverb"inexorably"
count1
2
adverb"truly"
count1
3
adverb"deliberately"
count1
highlights
0"sharply"
1"inexorably"
2"truly"
3"deliberately"
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)
10.30% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1282
totalAiIsms23
found
0
word"familiar"
count3
1
word"chill"
count1
2
word"gleaming"
count1
3
word"chaotic"
count1
4
word"footsteps"
count1
5
word"sinister"
count1
6
word"unsettled"
count1
7
word"etched"
count2
8
word"navigating"
count1
9
word"ceaseless"
count1
10
word"weight"
count2
11
word"maw"
count1
12
word"standard"
count1
13
word"fragmented"
count1
14
word"echoing"
count1
15
word"silence"
count1
16
word"stomach"
count1
17
word"pulse"
count1
18
word"stark"
count1
highlights
0"familiar"
1"chill"
2"gleaming"
3"chaotic"
4"footsteps"
5"sinister"
6"unsettled"
7"etched"
8"navigating"
9"ceaseless"
10"weight"
11"maw"
12"standard"
13"fragmented"
14"echoing"
15"silence"
16"stomach"
17"pulse"
18"stark"
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
narrationSentences83
matches(empty)
56.80% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount3
narrationSentences83
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)
analyzedSentences84
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
maxSentenceWordsSeen60
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans3
markdownWords13
totalWords1282
ratio0.01
matches
0"descended"
1"gone"
2"“Harlow, it’s not what we thought… it’s deeper… they’re not… disappearances…”"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions5
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions17
wordCount1201
uniqueNames8
maxNameDensity0.42
worstName"Harlow"
maxWindowNameDensity1.5
worstWindowName"Morris"
discoveredNames
London1
Harlow5
Quinn2
Soho1
Morris4
Detective2
Veil1
Market1
persons
0"Harlow"
1"Quinn"
2"Morris"
3"Market"
places
0"London"
1"Soho"
globalScore1
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences67
glossingSentenceCount0
matches(empty)
43.99% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches2
per1kWords1.56
wordCount1282
matches
0"Not missing-presumed-dead, not vanished-without-a-trace, but *gone*"
1"not vanished-without-a-trace, but *gone*"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences84
matches(empty)
71.43% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs13
mean98.62
std39.45
cv0.4
sampleLengths
0170
1143
2115
3120
466
599
688
7111
8126
963
1081
1195
125
92.58% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences83
matches
0"was hunted"
1"was gone"
2"was gone"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs195
matches
0"was heading"
1"was standing"
40.82% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount3
flaggedSentences3
totalSentences84
ratio0.036
matches
0"He hadn't just disappeared; he’d *descended*."
1"He’d always been the one to chase the inexplicable, the fringe; she’d been the anchor, the pragmatist."
2"Failure here wouldn't just be a missed arrest; it would be another ghost to add to the tally, another unanswered question echoing in the silence Morris had left behind."
88.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount405
adjectiveStacks2
stackExamples
0"overflowing maggot-white bins"
1"grey, grime-caked boards,"
adverbCount12
adverbRatio0.02962962962962963
lyAdverbCount5
lyAdverbRatio0.012345679012345678
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences84
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences84
mean15.26
std10.41
cv0.682
sampleLengths
016
120
225
328
415
514
619
716
817
925
1012
1117
1225
1321
1443
1514
1621
177
1814
1959
2019
219
2220
236
2424
252
261
2730
289
2910
3014
3127
328
337
342
358
366
3721
3817
3918
407
4120
426
431
4423
4520
468
472
483
493
50.79% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats9
diversityRatio0.36904761904761907
totalSentences84
uniqueOpeners31
87.72% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount2
totalSentences76
matches
0"Then, he burst out of"
1"Then, she felt the ghost"
ratio0.026
67.37% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount29
totalSentences76
matches
0"It turned the city into"
1"Her quarry, a gaunt shadow"
2"She read the frantic, economical"
3"He was heading east, away"
4"Her movements, even in a"
5"He risked a glance back,"
6"He moved with the coiled"
7"He didn’t pause, instead veering"
8"It wasn't a shop, or"
9"It was a derelict access"
10"She watched the suspect, a"
11"He hadn't just disappeared; he’d"
12"It was the smell of"
13"She edged closer, her eyes"
14"Her mind, honed by years"
15"He’d always been the one"
16"they’d pointed him towards places"
17"She knew about them, of"
18"She had no such token."
19"She, Detective Harlow Quinn, was"
ratio0.382
58.68% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount61
totalSentences76
matches
0"The rain hammered an incessant"
1"It turned the city into"
2"Detective Harlow Quinn felt it"
3"Her quarry, a gaunt shadow"
4"She read the frantic, economical"
5"He was heading east, away"
6"That sharp jaw of hers"
7"Her movements, even in a"
8"He risked a glance back,"
9"A garbage bin, overturned, spilled"
10"Harlow didn't hesitate, her polished"
11"The alley was a choked"
12"The suspect was a blur"
13"He moved with the coiled"
14"He didn’t pause, instead veering"
15"It wasn't a shop, or"
16"It was a derelict access"
17"A faded sign, half-obscured by"
18"Harlow slowed her pace, her"
19"The rain seemed to hold"
ratio0.803
65.79% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences76
matches
0"To find the answers that"
ratio0.013
19.23% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences52
technicalSentenceCount9
matches
0"Detective Harlow Quinn felt it soak through her trench coat, a cold seep that mirrored the gnawing chill in her gut, but she didn’t slow."
1"She read the frantic, economical movements of a man who knew he was hunted."
2"Her movements, even in a dead sprint, held a military precision that belied the storm’s chaotic embrace."
3"He moved with the coiled urgency of a trapped animal, but there was a sinister familiarity to his path that unsettled her, too many quick turns, too many shadow…"
4"Harlow slowed her pace, her breath misting in the frigid air, the sudden relative stillness amplifying the storm’s roar."
5"Rumors that slithered through the precinct's underbelly, dismissed by most as fever dreams or urban legends concocted by informants desperate for a score."
6"A sliver of bone, etched with symbols that could buy you a moment's admittance into the bizarre, nocturnal bazaar."
7"She, Detective Harlow Quinn, was standing at the maw of a place that dealt in the impossible, the forbidden, with nothing but her badge, her service weapon, and…"
8"The sharp line of her jaw tightened, her posture straightening with an ingrained discipline that fought against the primal fear coiling in her stomach."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags2
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags0
81.2632%