Run: 2026-07-25-01KYCVG8PRPM6JPVJP1X59MKCY

Run Details

Duration:
7.6s
Cost:
$0.003757
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 chill of the abandoned Camden Tube station clung to Detective Harlow Quinn like a second skin, seeping through the wool of her coat as she stood at the edge of the abandoned platform. Eighteen years in the Metropolitan Police had taught her how to read the geometry of a crime scene before she even looked at the body. But this place defied geometry. The air tasted of ozone and old iron, thick with a coppery tang that didn't belong in a subterranean ruin. Quinn checked the time, her thumb brushing the worn leather watch on her left wrist. Five minutes past midnight. The salt-and-pepper hair at her temples was damp with condensation, curling tightly against her sharp jaw. Across the tracks, where the brick tunnel yawned into absolute blackness, a chalk circle had been drawn across the concrete ballast. Within it lay the remains of a man, his limbs arranged with a sickening, rigid symmetry that made Quinn’s military-trained posture stiffen even further. Her partner, Sergeant Vance, was already squatting by the body, holding a high-lumen torch against the floor. Vance stood, wiping his palms on his trousers as he caught sight of her. Quinn, thank God. Forensics is still twenty minutes out, but we’ve got a clear picture. Local transient. Found by a night-shift patrol. Throat torn out by an animal, probably a large dog or a fox that dragged itself down the maintenance stairs. Look at the ragged tears in the tissue. Classic scavenger work. Quinn didn't answer immediately. She stepped down from the platform, her heavy boots crunching softly on the gravel, and walked the perimeter of the chalk circle with the measured, deliberate pace of a sniper zeroing a target. Her brown eyes swept over the scene, cataloging every discrepancy with cold, analytical precision. She stopped at the edge of the circle, staring down at the victim. An animal, Vance? Quinn’s voice was low, flat, carrying the weight of a decade and a half of homicides. Since when do stray dogs leave neat geometric piles of ash beside their kills? Vance blinked, flashing his light toward a small, gray heap just outside the chalk line. Ah. That. Could be anything. Someone burning rubbish. An old camp fire. Quinn knelt, bringing her face close to the ash without disturbing it. She reached out, hovering a gloved hand a fraction of an inch above the residue. The heat radiating from it was impossible—faint, residual thermal energy in a room where her own breath plumed in white clouds. Scavengers don't use surgical shears to remove a man's coat, Vance, she said, pointing to the lapel of the victim's jacket. The fabric had been sheared through with absolute, terrifying precision. No tearing. No struggle marks on the cloth. The buttons were intact, yet the coat had been parted as if unbuttoned by a tailor, then discarded. Vance shifted uncomfortably, his boots grating on the ballast. People panic when they're attacked. They rip things off. And they leave their teeth marks neatly aligned with the lunar phases drawn in chalk? Quinn stood up, her 5'9 frame towering slightly over her partner as she gestured to the symbols beneath the victim's boots. This isn't a random mugging gone wrong, and it certainly isn't a fox attack. This place is an old smuggling route. A black market thoroughfare. I’ve read the case files on the Veil Market—rumors of an underground bazaar that shifts with the moon. Vance let out a dry, nervous laugh. You're sounding like that eccentric friend of the girl from the museum. What was her name? Eva Kowalski? The one with the round glasses and the satchel full of ancient texts who won't stop talking about Oxford folklore? You've been reading too many restricted archive logs, Harlow. Quinn ignored the jab, her gaze locked on a faint glint of brass half-buried beneath the victim's outstretched palm. She crouched again, her gloved fingers sliding past the stiffening fingers of the dead man to retrieve a small, circular object. She held it up to the beam of Vance's torch. It was a small brass compass, its casing worn down to a dull, weathered green verdigris. Etched intricately across its face were defensive sigils—lines and wards meant to deflect unseen forces. Quinn tapped the side of the casing. The needle inside spun wildly, crazed and frantic, refusing to settle on magnetic north, instead twitching violently toward the dark tunnel mouth across the tracks. What is that? An antique? Vance asked, leaning in. It's a Veil Compass, Quinn whispered, the memory of DS Morris flashing uninvited behind her eyelids—the strange, cold draft the night her partner vanished three years ago, the inexplicable burn marks on the pavement where no fire had been. Crafted by someone, or something, that doesn't play by the rules of this city. She turned the compass over in her palm. The needle stopped spinning for a fraction of a second, pointing dead-center into the black throat of the tunnel before resuming its erratic dance. The victim didn't wander down here by accident, Vance. He was running from something. Or someone was hunting him for what he was carrying. Look at his boots. Vance sighed, shining his light downward. Mud. Lots of it. Not just mud, Quinn said, her voice dropping to a dangerous register. That’s dried river silt laced with sulfur. The kind you only find down in the old Fleet River culverts beneath the northern districts. He came in through the sealed junction three levels down—the one that requires a bone token to trip the latch. She stood, sliding the compass securely into her coat pocket, her jaw tightening as the pieces clicked together with the grim certainty of a locked mechanism. So what's your theory, Detective? Vance asked, his skepticism faltering under the weight of her absolute calm. My theory is that the Metropolitan Police are looking at a murder scene staged to look like a beast attack by someone who forgot that wild animals don't draw boundary wards in chalk, Quinn said, her eyes fixed on the impenetrable dark of the tunnel. And whoever did this is still down here, watching us from the other side of the veil. She unclipped the service weapon from her holster, the heavy steel familiar and grounding in her hand. Call for backup, Vance. Tell them to bring thermal gear and salt rounds. We're going looking for answers.
created_at"2026-07-25T14:40:09.439Z" 7/25/2026, 2:40:09 PM
model"google/gemini-3.5-flash-lite-20260721"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency335
moderation_latency(null)
generation_time7580
tokens_prompt896
tokens_completion1610
native_tokens_prompt883
native_tokens_completion1397
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"
usage0.0037574
router(null)
provider_responses
0
endpoint_id"6bd8f433-79e1-416c-b407-1772eb796c9a"
id"ycpkav7zHtW9jrEP-PulyQo"
is_byokfalse
latency335
model_permaslug"google/gemini-3.5-flash-lite-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-1784990409-xP9xczUeql8KejieOpvs"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1784990409-yIeLAqjvOVMebbdXuhaC"
upstream_id"ycpkav7zHtW9jrEP-PulyQo"
total_cost0.0037574
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
totalTags0
86.03% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1074
totalAiIsmAdverbs3
found
0
adverb"tightly"
count1
1
adverb"softly"
count1
2
adverb"slightly"
count1
highlights
0"tightly"
1"softly"
2"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)
53.45% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1074
totalAiIsms10
found
0
word"chill"
count1
1
word"measured"
count1
2
word"weight"
count2
3
word"aligned"
count1
4
word"glint"
count1
5
word"etched"
count1
6
word"magnetic"
count1
7
word"dance"
count1
8
word"familiar"
count1
highlights
0"chill"
1"measured"
2"weight"
3"aligned"
4"glint"
5"etched"
6"magnetic"
7"dance"
8"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
narrationSentences88
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences88
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences88
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen45
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1069
ratio0
matches(empty)
62.50% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions4
unquotedAttributions1
matches
0"Not just mud, Quinn said, her voice dropping to a dangerous register."
89.20% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions47
wordCount1069
uniqueNames18
maxNameDensity1.22
worstName"Quinn"
maxWindowNameDensity2
worstWindowName"Quinn"
discoveredNames
Camden1
Tube1
Detective2
Harlow2
Quinn13
Metropolitan2
Police2
Sergeant1
Vance13
God1
Veil2
Market1
Kowalski1
Oxford1
Compass1
Morris1
Fleet1
River1
persons
0"Harlow"
1"Quinn"
2"Police"
3"Sergeant"
4"Vance"
5"Kowalski"
6"Morris"
places
0"Detective"
1"Metropolitan"
2"Oxford"
3"Fleet"
4"River"
globalScore0.892
windowScore1
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences59
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1069
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences88
matches
0"is that the"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs28
mean38.18
std21.53
cv0.564
sampleLengths
085
135
245
317
467
551
613
733
827
948
1057
1118
1279
1354
1440
1510
1663
179
1853
1932
2028
2110
2255
2326
2417
2562
2617
2718
89.31% Passive voice overuse
Target: ≤2% passive sentences
passiveCount4
totalSentences88
matches
0"been drawn"
1"been sheared"
2"been parted"
3"attacked"
43.14% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount4
totalVerbs170
matches
0"was already squatting"
1"was running"
2"was hunting"
3"was carrying"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount5
semicolonCount0
flaggedSentences5
totalSentences88
ratio0.057
matches
0"The heat radiating from it was impossible—faint, residual thermal energy in a room where her own breath plumed in white clouds."
1"I’ve read the case files on the Veil Market—rumors of an underground bazaar that shifts with the moon."
2"Etched intricately across its face were defensive sigils—lines and wards meant to deflect unseen forces."
3"It's a Veil Compass, Quinn whispered, the memory of DS Morris flashing uninvited behind her eyelids—the strange, cold draft the night her partner vanished three years ago, the inexplicable burn marks on the pavement where no fire had been."
4"He came in through the sealed junction three levels down—the one that requires a bone token to trip the latch."
88.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1081
adjectiveStacks2
stackExamples
0"impossible—faint, residual thermal energy"
1"dull, weathered green verdigris."
adverbCount27
adverbRatio0.02497687326549491
lyAdverbCount13
lyAdverbRatio0.012025901942645698
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences88
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences88
mean12.15
std8.95
cv0.737
sampleLengths
035
125
25
320
415
54
616
721
824
917
1014
113
1212
132
145
1520
168
173
184
1933
2014
2113
223
2316
2414
2515
261
271
283
293
304
3112
3215
3321
3421
3510
362
376
3818
399
405
414
4215
4321
4414
457
464
4718
487
4912
82.58% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats4
diversityRatio0.5227272727272727
totalSentences88
uniqueOpeners46
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences81
matches(empty)
ratio0
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount20
totalSentences81
matches
0"Her partner, Sergeant Vance, was"
1"She stepped down from the"
2"Her brown eyes swept over"
3"She stopped at the edge"
4"She reached out, hovering a"
5"They rip things off."
6"I’ve read the case files"
7"You're sounding like that eccentric"
8"You've been reading too many"
9"She crouched again, her gloved"
10"She held it up to"
11"It was a small brass"
12"It's a Veil Compass, Quinn"
13"She turned the compass over"
14"He was running from something."
15"He came in through the"
16"She stood, sliding the compass"
17"My theory is that the"
18"She unclipped the service weapon"
19"We're going looking for answers."
ratio0.247
100.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount58
totalSentences81
matches
0"The damp chill of the"
1"The air tasted of ozone"
2"Quinn checked the time, her"
3"The salt-and-pepper hair at her"
4"Her partner, Sergeant Vance, was"
5"Vance stood, wiping his palms"
6"Quinn, thank God."
7"Forensics is still twenty minutes"
8"Throat torn out by an"
9"Quinn didn't answer immediately."
10"She stepped down from the"
11"Her brown eyes swept over"
12"She stopped at the edge"
13"An animal, Vance?"
14"Quinn’s voice was low, flat,"
15"Vance blinked, flashing his light"
16"Someone burning rubbish."
17"An old camp fire."
18"Quinn knelt, bringing her face"
19"She reached out, hovering a"
ratio0.716
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences81
matches(empty)
ratio0
82.07% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences47
technicalSentenceCount4
matches
0"Within it lay the remains of a man, his limbs arranged with a sickening, rigid symmetry that made Quinn’s military-trained posture stiffen even further."
1"The one with the round glasses and the satchel full of ancient texts who won't stop talking about Oxford folklore?"
2"She stood, sliding the compass securely into her coat pocket, her jaw tightening as the pieces clicked together with the grim certainty of a locked mechanism."
3"My theory is that the Metropolitan Police are looking at a murder scene staged to look like a beast attack by someone who forgot that wild animals don't draw bo…"
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
82.5423%