Run: 2026-05-10-01KR8YTBFHYW011W8PVRMT06F2

Run Details

Duration:
8.0s
Cost:
$0.002495
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="4414" name="Eva Kowalski" aliases="Eva, Evie" pronouns="she/her" species="Human" storyRole="Best Friend"> <eyeColor>green</eyeColor> <hair>curly red</hair> <height>5'4"</height> <age>26</age> <glasses>round glasses</glasses> <satchel>worn leather satchel full of books</satchel> <freckles>freckled complexion</freckles> <nervousHabit>tucking hair behind her left ear</nervousHabit> <description>Aurora's childhood friend and an occult researcher.</description> <backstory>Moved to London two years before Aurora and works as a research assistant at the British Museum's restricted archives. She holds a master's degree in Ancient History from Oxford.</backstory> </character> <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> <item id="2004" name="Veil Compass" aliases="the Compass, shadow compass" type="Tool" origin="The Veil Market"> <casingMaterial>small brass compass</casingMaterial> <faceMarkings>face etched with protective sigils</faceMarkings> <needle>points toward the nearest supernatural rift or portal</needle> <patina>casing has a patina of verdigris</patina> <creator>crafted by a Shade artisan</creator> <description>A compass attuned to supernatural energy.</description> </item> </codex> Write a fully fleshed out scene of at least 1000 words in the mystery genre. A detective arrives at a crime scene in an unusual location. Something is wrong — the evidence doesn't add up. A colleague is present, offering a different interpretation. Through careful observation and deduction, the detective begins to see what others have missed. 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 air inside the abandoned Camden Tube station tasted like pulverized concrete and wet iron, a sharp metallic tang that clung to the back of the throat. Detective Harlow Quinn adjusted the collar of her coat, her shoulders squared with the effortless, rigid posture of her former service. Beneath her feet, the dust was thick, disturbed only by the erratic, heavy tread of the Forensics team already swarming the platform. She checked the worn leather watch on her left wrist—03:14 AM. She turned her gaze toward the tracks. A string of yellow police tape shuddered in a draft that shouldn't have existed this deep underground. Beyond it stood Eva Kowalski. The younger woman looked wildly out of place against the grime-streaked tiles of the station, her curly red hair catching the harsh glare of the crime scene floods. She was huddled into a heavy coat, clutching her worn leather satchel to her chest as if protecting something fragile inside. Her green eyes were fixed on a point near the third rail, and she kept repeatedly tucking a stray lock of hair behind her left ear. Quinn navigated the debris,stepping over a rusted bolt with calculated precision. She didn't announce her arrival; she preferred the silence. Eva flinched when Quinn entered her peripheral vision, her grip on the satchel tightening. Detective, Eva breathed, her voice thin and layered with a tremor she couldn't quite mask. You shouldn't be down here. The scene is... it’s not what it looks like. Quinn stopped, her sharp jaw set. I decide what a crime scene looks like, Kowalski. Start talking. Eva glanced toward the two uniforms standing by the tunnel archway, then lowered her voice to a frantic whisper. People call this the Veil Market. Or they did, until a few hours ago. It’s not just a station. It’s a transit point for things the Metropolitan Police aren't equipped to catalog. Quinn looked at the body slumped against the pillar. It was a man, mid-forties, dressed in decent wool trousers and a cashmere sweater that looked entirely too expensive for a subway platform that hadn't seen a train in two decades. There was no blood, no obvious trauma, and yet the man’s features were slack, his skin turned a dull, translucent grey that gave him the appearance of wax. Uniform says it’s a standard heart failure, Quinn said, gesturing toward the body with a flick of her gaze. Natural causes. Just a poor soul who wandered into the dark and lost a battle with his own anatomy. Eva shifted, the leather of her satchel creaking. Her glasses slid down her nose, and she pushed them back with an index finger. That’s what they want you to see. Look at his hands, Harlow. Quinn drifted forward, her eyes scanning the periphery. She knelt, her knees hitting the dust without hesitation. She took the man’s right hand in hers. It was ice cold, stiffening into the rigor of death, but it was the palm that made her pause. Etched into the flesh, clear as a branding iron, was a swirling, geometric sigil. It wasn't ink. The skin itself had been altered, thickened and scarred by something that looked like cauterization. He was holding something when he died, Quinn murmured, her clinical detachment wavering. Eva moved closer, her boots crunching on broken glass. Something forbidden. Something that resonates with the local energy. Quinn drew her flashlight, the beam cutting through the gloom. She scanned the floor around the body. Hidden in the shadow beneath the seat of a discarded bench, something glinted. She reached down, her gloved fingers closing over a small, brass object. She pulled it into the light. It was a compass, its casing covered in a heavy, aged patina of verdigris, the face etched with fine, protective sigils that seemed to squirm when viewed through the narrow beam of her torch. A Veil Compass, Eva whispered, her breath catching in her throat. My god, he was navigating. He wasn't lost; he was looking for a way out. Or a way in. Quinn didn't know what a Veil Compass was, but she knew the weight of an object that possessed intent. She had felt that weight three years ago, the night DS Morris had vanished into a room that hadn't been there when they’d entered the building. Her hand grew heavy. The needle of the compass wasn't pointing north; it was spinning, a frantic, jittery motion that suggested it was trying to find a magnetic pull from a world that didn't exist in the City’s official maps. You seem to know a lot about this, Kowalski, Quinn said, her voice dropping. You’re an academic, not an asset. Why are you at a restricted crime scene in a location that isn't supposed to be accessible? I study the history that the archives try to bury, Eva said, her nervous habit returning as she tucked her hair behind her ear again. And because I knew him. He was a collector. He thought he could buy his way into the Market, but he didn't have a bone token. He tried to force the gate. Quinn stood, the compass cold in her palm. The force of the reality around them seemed to contract. The flickering overhead lamps, set up by the forensics team, suddenly dimmed to a dull, sickly orange. If he was trying to break in, then someone was guarding it, Quinn said, her mind cataloging the lack of forced entry, the lack of struggle, and the way the body looked like a statue abandoned in mid-thought. She thought of Morris, of the cold, thin air that had filled that room three years ago. There’s a pattern here, isn't there? A ghost in the machinery of this city. Eva looked at the tunnel archway, her face pale. It’s not just a ghost, Harlow. It’s a border patrol. And they don't like witnesses who carry badges. A sudden, sharp whistling sound echoed through the station, the frequency so high it made Quinn’s teeth ache. The shadows along the tunnel wall didn't move with the light; they seemed to deepen, detaching themselves from the concrete. Quinn drew her service weapon, not because she believed lead would stop what was coming, but because it was the only thing she knew how to hold against the unfairness of the world. She held the brass compass in her left hand, the needle suddenly snapping into a fixed position—pointing directly behind her. Turn around, Quinn commanded, her voice steadying into the familiar, granite tone of a ranking officer. And don't stop moving until we reach the street. Eva didn't argue. She turned, her satchel thumping against her hip, and ran toward the escalator stairs. Quinn backed away slowly, her eyes locked on the shifting, darkening space where the station’s edge bled into the impossible. She realized then that the case wasn't a crime of greed or passion. It was a war, fought in the gaps between the cobblestones, and she had just crossed the front line.
created_at"2026-05-10T12:46:57.016Z" 5/10/2026, 12:46:57 PM
model"google/gemini-3.1-flash-lite-20260507"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency565
moderation_latency(null)
generation_time7902
tokens_prompt923
tokens_completion1739
native_tokens_prompt883
native_tokens_completion1516
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"
usage0.00249475
router(null)
provider_responses
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endpoint_id"237af107-d2e9-46c7-b146-c74d75980dee"
id"QX4AaorjDca6qtsPmNeg4Qg"
is_byokfalse
latency565
model_permaslug"google/gemini-3.1-flash-lite-20260507"
provider_name"Google AI Studio"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.14.1; linux; x64))"
http_referer(null)
request_id"req-1778417217-vPlzuk7Q84dEFdjK4WV3"
session_id(null)
api_type"completions"
id"gen-1778417217-1bnmueVYrKM7e1NWvk9v"
upstream_id"QX4AaorjDca6qtsPmNeg4Qg"
total_cost0.00249475
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
totalTags0
87.21% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1173
totalAiIsmAdverbs3
found
0
adverb"suddenly"
count2
1
adverb"slowly"
count1
highlights
0"suddenly"
1"slowly"
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)
23.27% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1173
totalAiIsms18
found
0
word"effortless"
count1
1
word"navigated"
count1
2
word"calculated"
count1
3
word"silence"
count1
4
word"whisper"
count1
5
word"standard"
count1
6
word"scanning"
count1
7
word"etched"
count2
8
word"wavering"
count1
9
word"gloom"
count1
10
word"scanned"
count1
11
word"navigating"
count1
12
word"weight"
count2
13
word"magnetic"
count1
14
word"echoed"
count1
15
word"familiar"
count1
highlights
0"effortless"
1"navigated"
2"calculated"
3"silence"
4"whisper"
5"standard"
6"scanning"
7"etched"
8"wavering"
9"gloom"
10"scanned"
11"navigating"
12"weight"
13"magnetic"
14"echoed"
15"familiar"
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
narrationSentences90
matches(empty)
15.87% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount6
narrationSentences90
filterMatches
0"watch"
1"decide"
hedgeMatches
0"seemed to"
1"seem to"
2"try to"
3"tried to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences90
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen39
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1171
ratio0
matches(empty)
0.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions9
unquotedAttributions5
matches
0"He was holding something when he died, Quinn murmured, her clinical detachment wavering."
1"A Veil Compass, Eva whispered, her breath catching in her throat."
2"You seem to know a lot about this, Kowalski, Quinn said, her voice dropping."
3"I study the history that the archives try to bury, Eva said, her nervous habit returning as she tucked her hair behind h…"
4"If he was trying to break in, then someone was guarding it, Quinn said, her mind cataloging the lack of forced entry, th…"
77.41% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions51
wordCount1171
uniqueNames15
maxNameDensity1.45
worstName"Quinn"
maxWindowNameDensity2
worstWindowName"Quinn"
discoveredNames
Camden1
Tube1
Harlow3
Quinn17
Forensics1
Eva10
Kowalski3
Veil3
Market2
Metropolitan1
Police1
Compass2
Morris2
City1
You3
persons
0"Harlow"
1"Quinn"
2"Eva"
3"Kowalski"
4"Morris"
5"You"
places
0"Market"
1"City"
globalScore0.774
windowScore1
0.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences74
glossingSentenceCount6
matches
0"tasted like pulverized concrete and wet i"
1"as if protecting something fragile inside"
2"quite mask"
3"looked like cauterization"
4"sigils that seemed to squirm when viewed through the narrow beam of her torch"
5"looked like a statue abandoned in mid-tho"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1171
matches(empty)
92.59% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount2
totalSentences90
matches
0"felt that weight"
1"filled that room"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs26
mean45.04
std25.42
cv0.565
sampleLengths
070
111
2104
320
414
529
617
751
868
938
1035
1176
1213
1318
1482
1530
1685
1737
1857
1935
2069
2127
2238
2353
2425
2569
93.57% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences90
matches
0"was huddled"
1"were fixed"
2"been altered"
0.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount9
totalVerbs211
matches
0"was holding"
1"was navigating"
2"was looking"
3"was spinning"
4"was trying"
5"wasn't pointing"
6"was trying"
7"was guarding"
8"was coming"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount2
semicolonCount4
flaggedSentences6
totalSentences90
ratio0.067
matches
0"She checked the worn leather watch on her left wrist—03:14 AM."
1"She didn't announce her arrival; she preferred the silence."
2"He wasn't lost; he was looking for a way out."
3"The needle of the compass wasn't pointing north; it was spinning, a frantic, jittery motion that suggested it was trying to find a magnetic pull from a world that didn't exist in the City’s official maps."
4"The shadows along the tunnel wall didn't move with the light; they seemed to deepen, detaching themselves from the concrete."
5"She held the brass compass in her left hand, the needle suddenly snapping into a fixed position—pointing directly behind her."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1176
adjectiveStacks0
stackExamples(empty)
adverbCount28
adverbRatio0.023809523809523808
lyAdverbCount11
lyAdverbRatio0.00935374149659864
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences90
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences90
mean13.01
std8.41
cv0.646
sampleLengths
027
121
222
311
47
517
65
728
821
926
1011
119
1214
1315
145
153
166
176
189
192
2019
216
228
235
2413
259
2631
2728
2819
292
3017
318
3215
337
345
358
369
378
3819
3914
403
4115
4213
439
442
457
4610
477
4813
4912
44.44% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats10
diversityRatio0.3333333333333333
totalSentences90
uniqueOpeners30
38.31% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences87
matches
0"Just a poor soul who"
ratio0.011
45.29% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount38
totalSentences87
matches
0"She checked the worn leather"
1"She turned her gaze toward"
2"She was huddled into a"
3"Her green eyes were fixed"
4"She didn't announce her arrival;"
5"You shouldn't be down here."
6"it’s not what it looks"
7"I decide what a crime"
8"It’s not just a station."
9"It’s a transit point for"
10"It was a man, mid-forties,"
11"Her glasses slid down her"
12"She knelt, her knees hitting"
13"She took the man’s right"
14"It was ice cold, stiffening"
15"It wasn't ink."
16"He was holding something when"
17"She scanned the floor around"
18"She reached down, her gloved"
19"She pulled it into the"
ratio0.437
51.95% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount71
totalSentences87
matches
0"The air inside the abandoned"
1"Detective Harlow Quinn adjusted the"
2"She checked the worn leather"
3"She turned her gaze toward"
4"A string of yellow police"
5"The younger woman looked wildly"
6"She was huddled into a"
7"Her green eyes were fixed"
8"Quinn navigated the debris,stepping over"
9"She didn't announce her arrival;"
10"Eva flinched when Quinn entered"
11"Detective, Eva breathed, her voice"
12"You shouldn't be down here."
13"The scene is..."
14"it’s not what it looks"
15"Quinn stopped, her sharp jaw"
16"I decide what a crime"
17"Eva glanced toward the two"
18"People call this the Veil"
19"It’s not just a station."
ratio0.816
57.47% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences87
matches
0"If he was trying to"
ratio0.011
8.93% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences48
technicalSentenceCount9
matches
0"The air inside the abandoned Camden Tube station tasted like pulverized concrete and wet iron, a sharp metallic tang that clung to the back of the throat."
1"A string of yellow police tape shuddered in a draft that shouldn't have existed this deep underground."
2"She was huddled into a heavy coat, clutching her worn leather satchel to her chest as if protecting something fragile inside."
3"It was a man, mid-forties, dressed in decent wool trousers and a cashmere sweater that looked entirely too expensive for a subway platform that hadn't seen a tr…"
4"It was ice cold, stiffening into the rigor of death, but it was the palm that made her pause."
5"It was a compass, its casing covered in a heavy, aged patina of verdigris, the face etched with fine, protective sigils that seemed to squirm when viewed throug…"
6"The needle of the compass wasn't pointing north; it was spinning, a frantic, jittery motion that suggested it was trying to find a magnetic pull from a world th…"
7"Why are you at a restricted crime scene in a location that isn't supposed to be accessible?"
8"If he was trying to break in, then someone was guarding it, Quinn said, her mind cataloging the lack of forced entry, the lack of struggle, and the way the body…"
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
67.8777%