Run: 2026-09-02-01M1HHT9AV63J4FQMJE9YT9DZN

Run Details

Duration:
16.2s
Cost:
$0.010840
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 damp of the disused Camden spur smelled of eighty years of brake dust, rust, and standing canal water. It hung heavy in the throat, colder than the October drizzle forty feet above on the high street. Detective Harlow Quinn ducked beneath the striped cordon, her boots crunching into century-old ballast. She checked her left wrist by reflex. Ten past two in the morning. The worn leather strap of her watch was stiff with cold against her skin. Ahead, portable halogen work lamps threw brutal, stark-white glare across the curved enamel tiles of the defunct platform. The station had been sealed off before the Blitz, its tracks pulled up or buried under rubble, but down here the brick archways opened like broken ribs into the darkness. "Detective Quinn," Eva Kowalski said, glancing up from where she knelt beside a cluster of shattered wooden crates. She pushed her round glasses up the bridge of her nose, her fingers lingering to tuck a stray coil of curly red hair behind her left ear. Her freckled face was pale under the harsh glare, shadows pooled beneath her green eyes. A bulky leather satchel, bursting at the seams with reference folios, sat propped against her shin. "Forensics hasn't touched the central alcove yet. They’re still cataloging the perimeter by the old lift shaft." Quinn took three measured strides across the tracks, her spine straight, moving with the rigid economy eighteen years in the Met had beaten into her muscle memory. She paused at the perimeter of the chalked quadrant. The victim lay sprawled against an iron stanchion, head tilted at an unnatural angle against the rusted girders. Male, mid-thirties, dressed in heavy wool and oilskin. His eyes were wide, fixed on the soot-stained barrel vault above. "Uniform’s working theory is a territorial dispute," Quinn said, her voice flat and clipped, the low rasp of someone who took her tea black and spoke only when necessary. "Spillover from the lock markets up top. Gangs using the old tunnels for stashing contraband." Eva rose, smoothing down the front of her heavy wool coat. She gave a quick, uneasy shake of her head. "No. That’s what Constable Henderson thought, too, but look at the freight remnants, Detective. It’s antiquities. An illicit auction that went sour. The broken crates over there—the wood is cedar, joined with wooden pegs rather than modern nails. Early twentieth century, possibly Ottoman or Levantine. Someone was moving uncataloged relics through the subterranean rail network to bypass river customs. A dispute over provenance or payment. A bludgeoning, a quick rifling of pockets, and the buyers panicked and fled." Quinn didn't answer immediately. She crouched on her haunches, her sharp jaw set, her brown eyes scanning the dead man from collar to boot heels. "You’re seeing what you expect to see, Eva," Quinn murmured. "Old wood, dead smuggler, textbook black-market robbery." "The blunt-force trauma to his occipital bone matches the angle of the iron rung behind him," Eva countered, stepping closer, pointing a gloved finger. "Someone shoved him against the pillar. His overcoat is torn at the breast where a wallet or ledger was ripped away." "Look closer." Quinn pointed with the narrow beam of her penlight. "The dust on the platform tiles. It’s nearly three inches deep in the corners, disturbed only where our uniforms walked. Where are the buyers' footprints?" Eva blinked, adjusting her spectacles. "They could have retreated toward the service stairs. The ventilation grating has heavy traffic." "One set of tracks," Quinn said, tracing the beam along the floor. "Coming in from the Camden sewer connection. Size ten work boots, worn flat on the outer heel. The victim's. No other tread. If three or four men cornered him to rob him of high-value contraband, where did they stand? Where did they pivot when the violence started?" Eva shifted her satchel higher on her shoulder, her throat working as she swallowed. She didn't offer a rebuttal. Quinn leaned closer to the corpse. The air around the stanchion felt different. It was subtle—most people wouldn't have felt it through their heavy coats—but Quinn's skin prickled with a cold that had nothing to do with autumn subterranean drafts. It was a dry, ozone-charged chill. The hair on her forearms stirred. Her stomach gave a hard, familiar twist. Three years ago, in an abandoned warehouse along the Millwall docks, DS Morris had been found with that same frost clinging to his eyelashes, that same dead-air smell of burnt lightning. Scotland Yard had ruled Morris's death an undiagnosed cardiac arrest coupled with electrical arc flash from faulty wiring. Quinn had never bought it. She had spent thirty-six months chasing shadows that refused to cast themselves against London's brickwork, looking for the impossible thing that had hollowed out her partner's chest. "His hands," Quinn said softly. The dead man's fingers were hooked like talons, rigid in rigor mortis. But the bruising on his knuckles wasn't from landing a punch. The skin was split longitudinally along the tendons, as if his hands had expanded from the inside out. And around his throat, the wool collar wasn't torn by hands reaching for a wallet; the fabric was scorched, the fibers brittle and singed into gray ash. "That isn't a mugging," Quinn said. "And the cedar crates weren't smashed with a crowbar." She rose and walked to the nearest shattered box. The planks hadn't splintered outward from a tool's leverage. The wood was blown inward, crushed by immense, concentrated pressure, like a deep-sea hull collapsing under tonnage. Inside the broken timber, half-buried in straw packing, lay fragments of thin, polished bone. Not human bone—it was carved, etched with minute geometric lines that made Quinn’s eyes water if she tried to follow their intersections. "Eva," Quinn said, her gaze lifting to the young researcher. "What kind of auction requires bone tokens for admission?" Eva froze, her green eyes widening slightly behind the glass. Her hand went straight to her hair, nervously curling a copper strand behind her ear. "Bone tokens? I... I couldn't say without taking samples back to the archives. Many Mediterranean trade guilds in the nineteenth century used tally bones—" "Stop." Quinn’s tone was absolute, dropped low enough that the two uniformed constables laughing by the tunnel mouth couldn't hear. "You were at Oxford before the museum brought you down here. You know ancient history, and you know languages that haven't been spoken since Rome burned. But you’ve been sweating since we came down the spiral stair, Kowalski. Your pulse is hammering in your neck." "The air is thin down here, Detective. It’s disorienting." "You’re lying," Quinn said evenly. "You know what this place is." Quinn stepped around the debris, her penlight catching a glint of metal wedged in the track ballast beneath the platform lip. She knelt, using the tip of an evidence pen to pry the object loose from the greasy gravel. It was a compass, scarcely larger than a pocket watch. The casing was heavy brass, cloaked in a thick, velvety patina of green verdigris that spoke of decades in damp air. The glass crystal was unscratched, covering a face etched not with degrees or cardinal points, but with dense, circular sigils that seemed to subtly shift when the light struck them. The needle inside wasn't floating toward magnetic north; it was trembling violently, spun half-turn toward the pitch-black maw of the northbound tunnel, where the rails disappeared into the earth toward Chalk Farm. "What is this?" Quinn asked, holding it up by its tarnished ring. Eva stared at the compass, her color draining entirely. For a moment, the academic reserve fell away, leaving only raw, naked apprehension. "Don't shake it," Eva whispered. "You recognize it." "It’s... it shouldn't be here," Eva said, her voice dropping to a harsh murmur. "Detective, please. Put it in an evidence pouch and let’s leave. We need to clear the platform. Henderson and Miller shouldn't be down here." "Because of an illegal auction?" Quinn’s jaw tightened. She stood, towering five inches over Eva, her brown eyes boring into the younger woman. "The victim didn't die of a blow to the head. Look at the stanchion behind him. The rust hasn't been scraped off by an impact. It's melted. The iron ran like wax and cooled in seconds." Quinn took a step toward the tunnel opening. The needle in the brass housing followed her movement, twitching frantically toward the dark. "Three years ago, Morris looked just like that," Quinn said, her voice dropping into a register that was dangerous in its quietness. "Burned from the inside, his boots cold on the floor, and not a single fingerprint within twenty yards. The brass at the Yard told me it was a freak transformer accident. They closed the book." She held the compass between them. The sigils on the brass face caught the halogen glare, throwing distorted, spider-web shadows against the white subway tile. "This man didn't stumble down here looking for a dry place to sleep, and he wasn't killed by Camden pickpockets," Quinn continued, watching Eva’s eyes track the shivering needle. "There's a door down here, isn't there? Something that opens when the city goes to sleep. And you're going to tell me what’s on the other side."
created_at"2026-09-02T17:14:11.207Z" 9/2/2026, 5:14:11 PM
model"google/gemini-3.8-flash-20260902"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency1418
moderation_latency(null)
generation_time14539
tokens_prompt896
tokens_completion2665
native_tokens_prompt883
native_tokens_completion2714
native_tokens_completion_images0
native_tokens_reasoning639
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"
usage0.01083975
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.19.0; linux; x64))"
http_referer(null)
request_id"req-1788369251-SMiakL0hU3GuhhbBCGaF"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1788369251-yBSSeiZLml1FEc8TmJZI"
upstream_id"Y1mYaoD2EfmM9MoPgYrTiAo"
provider_responses
0
endpoint_id"d376f781-516d-42f9-936d-46f19abca6cc"
id"Y1mYaoD2EfmM9MoPgYrTiAo"
is_byokfalse
latency1416
model_permaslug"google/gemini-3.8-flash-20260902"
provider_name"Google AI Studio"
status200
total_cost0.01083975
cache_discount(null)
upstream_inference_cost0
provider_name"Google AI Studio"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
88.89% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags17
adverbTagCount2
adverbTags
0"Quinn said softly [softly]"
1"Quinn said evenly [evenly]"
dialogueSentences36
tagDensity0.472
leniency0.944
rawRatio0.118
effectiveRatio0.111
90.27% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1541
totalAiIsmAdverbs3
found
0
adverb"softly"
count1
1
adverb"slightly"
count1
2
adverb"nervously"
count1
highlights
0"softly"
1"slightly"
2"nervously"
80.00% AI-ism character names
Target: 0 AI-default names (17 tracked, −20% each)
codexExemptions(empty)
found
0"Henderson"
100.00% AI-ism location names
Target: 0 AI-default location names (33 tracked, −20% each)
codexExemptions(empty)
found(empty)
41.60% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1541
totalAiIsms18
found
0
word"stark"
count1
1
word"shattered"
count2
2
word"measured"
count1
3
word"scanning"
count1
4
word"tracing"
count1
5
word"charged"
count1
6
word"chill"
count1
7
word"stomach"
count1
8
word"familiar"
count1
9
word"etched"
count2
10
word"pulse"
count1
11
word"glint"
count1
12
word"crystal"
count1
13
word"magnetic"
count1
14
word"maw"
count1
15
word"apprehension"
count1
highlights
0"stark"
1"shattered"
2"measured"
3"scanning"
4"tracing"
5"charged"
6"chill"
7"stomach"
8"familiar"
9"etched"
10"pulse"
11"glint"
12"crystal"
13"magnetic"
14"maw"
15"apprehension"
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
narrationSentences74
matches(empty)
65.64% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount2
hedgeCount2
narrationSentences74
filterMatches
0"watch"
hedgeMatches
0"tried to"
1"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences93
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen79
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1537
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions17
unquotedAttributions0
matches(empty)
39.22% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions46
wordCount993
uniqueNames14
maxNameDensity2.22
worstName"Quinn"
maxWindowNameDensity3.5
worstWindowName"Quinn"
discoveredNames
Camden1
October1
Harlow1
Quinn22
Blitz1
Kowalski1
Met1
Eva11
Millwall1
Morris2
Yard1
London1
Chalk1
Farm1
persons
0"Harlow"
1"Quinn"
2"Kowalski"
3"Eva"
4"Millwall"
5"Morris"
6"Yard"
places
0"London"
1"Chalk"
2"Farm"
globalScore0.392
windowScore0.5
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences64
glossingSentenceCount1
matches
0"sigils that seemed to subtly shift when the light struck them"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.651
wordCount1537
matches
0"not with degrees or cardinal points, but with dense, circular sigils"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences93
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs37
mean41.54
std25.52
cv0.614
sampleLengths
051
127
248
393
436
537
644
798
825
917
1045
1136
1219
1359
1419
1552
1688
175
1868
1915
2071
2119
2249
2365
249
2511
2639
2793
2812
2927
303
3138
3259
3322
3457
3525
3656
76.81% Passive voice overuse
Target: ≤2% passive sentences
passiveCount6
totalSentences74
matches
0"been sealed"
1"been found"
2"was scorched"
3"was blown"
4"was carved"
5"was unscratched"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs164
matches(empty)
19.97% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount3
semicolonCount2
flaggedSentences4
totalSentences93
ratio0.043
matches
0"It was subtle—most people wouldn't have felt it through their heavy coats—but Quinn's skin prickled with a cold that had nothing to do with autumn subterranean drafts."
1"And around his throat, the wool collar wasn't torn by hands reaching for a wallet; the fabric was scorched, the fibers brittle and singed into gray ash."
2"Not human bone—it was carved, etched with minute geometric lines that made Quinn’s eyes water if she tried to follow their intersections."
3"The needle inside wasn't floating toward magnetic north; it was trembling violently, spun half-turn toward the pitch-black maw of the northbound tunnel, where the rails disappeared into the earth toward Chalk Farm."
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1008
adjectiveStacks1
stackExamples
0"brutal, stark-white glare"
adverbCount19
adverbRatio0.018849206349206348
lyAdverbCount14
lyAdverbRatio0.013888888888888888
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences93
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences93
mean16.53
std11.27
cv0.682
sampleLengths
019
118
214
37
46
514
618
730
818
927
1015
1116
1217
1327
149
1518
168
1711
1829
1915
2011
219
2278
234
2421
2510
267
2724
2821
2911
3025
315
3214
3312
3447
3514
365
376
387
3927
406
416
427
4331
4418
455
4627
475
4812
4911
64.52% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats5
diversityRatio0.41935483870967744
totalSentences93
uniqueOpeners39
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences71
matches(empty)
ratio0
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount19
totalSentences71
matches
0"It hung heavy in the"
1"She checked her left wrist"
2"She pushed her round glasses"
3"Her freckled face was pale"
4"She paused at the perimeter"
5"His eyes were wide, fixed"
6"She gave a quick, uneasy"
7"She crouched on her haunches,"
8"She didn't offer a rebuttal."
9"It was subtle—most people wouldn't"
10"It was a dry, ozone-charged"
11"Her stomach gave a hard,"
12"She had spent thirty-six months"
13"She rose and walked to"
14"Her hand went straight to"
15"She knelt, using the tip"
16"It was a compass, scarcely"
17"She stood, towering five inches"
18"She held the compass between"
ratio0.268
23.38% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount62
totalSentences71
matches
0"The damp of the disused"
1"It hung heavy in the"
2"Detective Harlow Quinn ducked beneath"
3"She checked her left wrist"
4"The worn leather strap of"
5"The station had been sealed"
6"Eva Kowalski said, glancing up"
7"She pushed her round glasses"
8"Her freckled face was pale"
9"A bulky leather satchel, bursting"
10"Quinn took three measured strides"
11"She paused at the perimeter"
12"The victim lay sprawled against"
13"His eyes were wide, fixed"
14"Quinn said, her voice flat"
15"Eva rose, smoothing down the"
16"She gave a quick, uneasy"
17"Quinn didn't answer immediately."
18"She crouched on her haunches,"
19"Eva countered, stepping closer, pointing"
ratio0.873
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences71
matches(empty)
ratio0
30.08% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences38
technicalSentenceCount6
matches
0"It was subtle—most people wouldn't have felt it through their heavy coats—but Quinn's skin prickled with a cold that had nothing to do with autumn subterranean …"
1"She had spent thirty-six months chasing shadows that refused to cast themselves against London's brickwork, looking for the impossible thing that had hollowed o…"
2"Not human bone—it was carved, etched with minute geometric lines that made Quinn’s eyes water if she tried to follow their intersections."
3"The casing was heavy brass, cloaked in a thick, velvety patina of green verdigris that spoke of decades in damp air."
4"The glass crystal was unscratched, covering a face etched not with degrees or cardinal points, but with dense, circular sigils that seemed to subtly shift when …"
5"The needle in the brass housing followed her movement, twitching frantically toward the dark."
95.59% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags17
uselessAdditionCount1
matches
0"Eva said, her voice dropping to a harsh murmur"
66.67% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags13
fancyCount3
fancyTags
0"Quinn murmured (murmur)"
1"Eva whispered (whisper)"
2"Quinn continued (continue)"
dialogueSentences36
tagDensity0.361
leniency0.722
rawRatio0.231
effectiveRatio0.167
75.8874%