Run: 2026-07-25-01KYD8248AX4FZJDD5REBFNCEV

Run Details

Duration:
23.6s
Cost:
$0.013446
Provider:
Meta

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 at the bottom of the abandoned Camden spur tasted like cold iron and old rain. Harlow Quinn pulled her collar up against it and checked her watch. The worn leather strap on her left wrist was dark with sweat despite the chill. Five forty-seven a.m. She had been on call for three hours, had already done two hours of paperwork for a domestic that wasn't a domestic, and now she was standing on a platform that hadn't seen a public timetable since 1939. A uniformed constable stood too close to the body, his torch beam jittering. "Detective," he said, relief making his voice too loud. "We didn't touch anything. Transit Authority lads found him when they were mapping the subsidence. They called you direct, like you asked." Quinn nodded. She had put the word out after the King's Cross incident. Anything odd, anything beneath, call her before the evidence got trampled. Most of them had looked at her like she was losing it. This one had listened. "Good work. Tape it off up top. No one else down." The constable hesitated, glancing at the second figure crouched near the body. "She said you called her. Said she has clearance." "I do," Eva Kowalski said without looking up. Quinn's jaw tightened. She'd called her at four a.m. from the car, voice still rough with sleep. She hadn't asked Eva to beat her here. Eva looked impossibly out of place down here. Five-four in a too-large anorak, curly red hair frizzy with damp, round glasses fogged at the edges. Her worn leather satchel was tucked against her knees, bulging with books as always, and she kept tucking a loose curl behind her left ear with a hand that wasn't quite steady. "Evie." "Harlow." Eva finally glanced up, green eyes magnified behind the lenses. "You need to see this." The body was male, early thirties, pale in the way that people who work nights go pale. He lay on his back between the old rails, arms at his sides, almost too neatly arranged. No blood. No visible wounds. On a Tube platform you expected a fall, a suicide, maybe a drunk who misjudged a fence. This wasn't any of those. His coat was good quality, wool, but turned inside out at the pockets. Empty. "Transit guys think overdose," the constable offered from the steps. "No marks, no struggle." "They always think overdose," Quinn said. She crouched. Military precision was what the file said about her posture, and she felt it in her knees, her back, the way she made herself still when everything wanted to move. She scanned the scene in grids. No needle. No wallet. No phone. Dust on the platform was thick, undisturbed except for three sets of prints: the transit workers' boots coming down the service ladder, the constable's, and her own. And the victim's, leading from nowhere to the spot where he now lay. A single set. Coming from the solid tiled wall at the far end of the platform and stopping where his heels were. That was wrong. She looked closer. The tiles themselves were wrong. The station had been sealed after the war, the tiles should have been coated in sixty years of soot and mineral leach. But a section of wall, roughly door-sized, was clean. The mortar around it was darker, as if it had been wet recently. And the air there was colder. "Who is he?" she asked. Eva bit her lip. "His name was Finch. Julian Finch. He sold bindings and second-sight charms two stalls down from the Shade artisan." Quinn stared at her. "You know him." "I've bought from him." Eva reached into her satchel, not for a book this time. She pulled out a small brass compass. The casing had gone green-black with verdigris at the seams, and the face was etched with tiny protective sigils that caught Quinn's torchlight and threw it back wrong. "This is his. Or it was. He would have had it on him. Always." A Veil Compass. Quinn had seen one only once before, three years ago, on the desk of the supernumerary who'd tried to explain what had happened to Morris. She had thrown it back at him and told him to stop wasting police time. Now Eva held it out to her. The needle wasn't pointing north. It was spinning lazily, then catching, then spinning again, like it couldn't decide where to settle. "He's supposed to point toward the nearest rift," Eva whispered. "Toward the door. But there's too much interference. Like something tore it open and left it bleeding." "There's no door," Quinn said flatly. "There's a wall and a junkie with empty pockets." The constable shifted his weight. "Detective? Do you want me to call narcotics? If this is a bad batch -" "No." She reached over and took the compass from Eva. The brass was impossibly cold, colder than the platform air, and the sigils were warm against her thumb. That contradiction alone made the back of her neck prickle. Quinn had spent eighteen years building a world out of fingerprints and motive and means. Morris had died in that world, and her world had not been able to explain it. She looked again. Really looked. Victim on his back. Arms at sides. Too neat. Not a collapse, a placement. Pockets turned out, but not sloppily. Whoever had done it had taken their time. The soles of his shoes were clean. No dust on the treads, but the platform dust was ankle-deep. So he hadn't walked here in these shoes, despite the prints. Or the prints were staged. She leaned closer. The dead man's brown eyes were open, fixed on the vaulted ceiling. No petechiae. No foam. His lips were slightly parted. Inside his mouth, something glinted. Quinn pulled on a glove. "Torch." Eva handed hers over without question. Quinn tilted Finch's chin and shone the light in. A small, off-white token was wedged against his cheek. Bone. Carved with a shallow eye. A bone token. The entry requirement. For the Veil Market. "He wasn't supposed to be here," Eva said, suddenly understanding. "The Market moved last full moon. It shouldn't be here anymore. Camden was last month. It should be in Whitechapel now." "So why is he here?" Quinn said. She lifted the token out with tweezers and set it on a plastic evidence sleeve. The compass in her other hand jerked violently and pointed straight at the clean patch of wall. The cold spot. "Because the Market isn't all that moves," Quinn said. Her voice sounded too low even to her own ears. "The doors do." She stood, her knees popping. The sharp line of her jaw was clenched so tight it ached. Eva was watching her, tucking that curl behind her left ear again and again. "Harlow, if someone opened a rift here without a token, without the artisan's sanction -" "Then they'd need a compass to find it again," Quinn finished. "And they'd need to make sure no one else could. So they take his compass. But they don't know how to close the door they forced. So they leave it open just a crack, enough to let the cold through. Enough to make the compass spin." She walked to the wall and put her hand out but did not touch it. The cold bit at her palm from six inches away. In the dust at the base of the tiles, she could see it now: a smear, as if something had been dragged. Not a body. Something heavier. A crate, maybe. The edge of a boot print, half overlaid, pointed away from the wall, not toward it. Someone leaving in a hurry. "Our victim didn't come through the door," Quinn said, turning. The pieces were slotting together now the way they always did when she stopped listening to what people told her she should see. "He was guarding it. He caught someone trying to steal stock straight through a fresh cut. They killed him - not with a knife, not with drugs. Look at his throat." Eva leaned in, glasses flashing. There, faint and almost lost in the pallor of his skin, was a ring of tiny white blisters, like frostbite, encircling his neck in the shape of fingers. "Cold burns," Eva breathed. "A warding backlash. If someone grabbed his token while the rift was open -" "They panicked, turned his pockets looking for the compass, didn't realize he swallowed the token to hide it," Quinn said. "Then they ran that way -" She pointed to the service tunnel that led up toward the main line. "And they left the door cracked." The constable was staring at both of them now like they were speaking another language. Quinn picked up the bone token with her gloved hand and pressed it into Eva's palm, folding her friend's freckled fingers over it. Eva's eyes went wide. "What are you doing?" "Paying admission," Quinn said. She took the compass, and finally, as if satisfied, the needle stopped spinning and locked due north. Due wall. "You said the artisan who made these works two stalls down from him. So when this door opens again, she's going to want hers back." She looked at the dead man, at Finch, who'd tried to protect a place that wasn't supposed to exist anymore, and felt the familiar, furious grief she'd carried since Morris rise up in her chest. "I'm going to need that rift to close properly before I call this in. And I'm going to need you to tell me exactly who in the Market knows how to make a door where there shouldn't be one." Eva's grip tightened on the token. The cold coming off the wall seemed to pulse once, like a breath being held. Behind them, somewhere far up the tunnel, a train that wasn't running rumbled past.
created_at"2026-07-25T18:19:37.618Z" 7/25/2026, 6:19:37 PM
model"meta/muse-spark-1.1-20260709"
app_id182717
external_user(null)
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cancelledfalse
latency6340
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generation_time23420
tokens_prompt896
tokens_completion2340
native_tokens_prompt989
native_tokens_completion2906
native_tokens_completion_images0
native_tokens_reasoning769
native_tokens_cached128
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
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native_finish_reason"completed"
service_tier"auto"
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provider_responses
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latency463
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data_region"global"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags17
adverbTagCount1
adverbTags
0"Quinn said flatly [flatly]"
dialogueSentences42
tagDensity0.405
leniency0.81
rawRatio0.059
effectiveRatio0.048
87.87% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1649
totalAiIsmAdverbs4
found
0
adverb"lazily"
count1
1
adverb"really"
count1
2
adverb"slightly"
count1
3
adverb"suddenly"
count1
highlights
0"lazily"
1"really"
2"slightly"
3"suddenly"
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)
81.81% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1649
totalAiIsms6
found
0
word"chill"
count1
1
word"scanned"
count1
2
word"etched"
count1
3
word"weight"
count1
4
word"familiar"
count1
5
word"pulse"
count1
highlights
0"chill"
1"scanned"
2"etched"
3"weight"
4"familiar"
5"pulse"
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
narrationSentences131
matches(empty)
88.33% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount4
narrationSentences131
filterMatches
0"watch"
hedgeMatches
0"tried to"
1"happened to"
2"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences156
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen46
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1650
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions21
unquotedAttributions0
matches(empty)
74.87% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions49
wordCount1198
uniqueNames12
maxNameDensity1.5
worstName"Quinn"
maxWindowNameDensity2.5
worstWindowName"Quinn"
discoveredNames
Camden1
Quinn18
King1
Cross1
Kowalski1
Eva17
Tube1
Veil2
Compass1
Morris3
Finch2
Market1
persons
0"Quinn"
1"King"
2"Cross"
3"Kowalski"
4"Eva"
5"Morris"
places
0"Finch"
globalScore0.749
windowScore0.833
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences71
glossingSentenceCount1
matches
0"tasted like cold iron and old rain"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1650
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences156
matches
0"tucking that curl"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs59
mean27.97
std21.33
cv0.763
sampleLengths
017
168
213
331
440
511
621
78
825
957
101
1116
1275
1314
146
1538
1668
173
1858
195
2023
217
2264
2343
2428
2527
2615
2720
281
2968
305
3162
3224
335
346
3515
3618
377
3831
397
4032
413
4222
4317
4429
4557
4676
4764
4833
4918
81.16% Passive voice overuse
Target: ≤2% passive sentences
passiveCount9
totalSentences131
matches
0"got trampled"
1"was tucked"
2"been sealed"
3"been coated"
4"was etched"
5"were staged"
6"was wedged"
7"was clenched"
8"been dragged"
9"being held"
0.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount8
totalVerbs207
matches
0"was standing"
1"was losing"
2"wasn't pointing"
3"was spinning"
4"was watching"
5"were slotting"
6"was staring"
7"were speaking"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences156
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount938
adjectiveStacks0
stackExamples(empty)
adverbCount31
adverbRatio0.03304904051172708
lyAdverbCount13
lyAdverbRatio0.013859275053304905
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences156
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences156
mean10.58
std8.52
cv0.806
sampleLengths
017
112
215
33
438
513
69
722
82
911
1011
1112
124
1311
1412
159
168
173
186
198
208
218
2217
2332
241
2511
265
2717
2817
292
303
3117
325
3313
341
3510
364
376
382
3930
406
412
422
432
4427
4513
463
4719
483
493
61.75% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats7
diversityRatio0.3974358974358974
totalSentences156
uniqueOpeners62
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences108
matches(empty)
ratio0
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount23
totalSentences108
matches
0"She had been on call"
1"he said, relief making his"
2"She had put the word"
3"She'd called her at four"
4"She hadn't asked Eva to"
5"Her worn leather satchel was"
6"He lay on his back"
7"His coat was good quality,"
8"She scanned the scene in"
9"She looked closer."
10"She pulled out a small"
11"She had thrown it back"
12"It was spinning lazily, then"
13"She reached over and took"
14"She looked again."
15"She leaned closer."
16"His lips were slightly parted."
17"She lifted the token out"
18"Her voice sounded too low"
19"She stood, her knees popping."
ratio0.213
66.48% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount85
totalSentences108
matches
0"The air at the bottom"
1"Harlow Quinn pulled her collar"
2"The worn leather strap on"
3"She had been on call"
4"A uniformed constable stood too"
5"he said, relief making his"
6"She had put the word"
7"Anything odd, anything beneath, call"
8"This one had listened."
9"The constable hesitated, glancing at"
10"Eva Kowalski said without looking"
11"Quinn's jaw tightened."
12"She'd called her at four"
13"She hadn't asked Eva to"
14"Eva looked impossibly out of"
15"Her worn leather satchel was"
16"Eva finally glanced up, green"
17"The body was male, early"
18"He lay on his back"
19"This wasn't any of those."
ratio0.787
92.59% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount2
totalSentences108
matches
0"Now Eva held it out"
1"Whoever had done it had"
ratio0.019
85.71% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences50
technicalSentenceCount4
matches
0"She had been on call for three hours, had already done two hours of paperwork for a domestic that wasn't a domestic, and now she was standing on a platform that…"
1"Her worn leather satchel was tucked against her knees, bulging with books as always, and she kept tucking a loose curl behind her left ear with a hand that wasn…"
2"The casing had gone green-black with verdigris at the seams, and the face was etched with tiny protective sigils that caught Quinn's torchlight and threw it bac…"
3"She took the compass, and finally, as if satisfied, the needle stopped spinning and locked due north."
95.59% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags17
uselessAdditionCount1
matches
0"he said, relief making his voice too loud"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags13
fancyCount2
fancyTags
0"Eva whispered (whisper)"
1"Eva breathed (breathe)"
dialogueSentences42
tagDensity0.31
leniency0.619
rawRatio0.154
effectiveRatio0.095
87.2057%