Run: 2026-07-25-01KYD6QM5JJ7Z33SB3VG5J76R1

Run Details

Duration:
20.9s
Cost:
$0.012350
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 call had come in at 03:17 as a trespasser down on the Northern Line spur, and Harlow Quinn had known it was bullshit the second she heard the location. There was no Northern Line spur beneath Camden any more. There was an abandoned platform that Transport for London had bricked up in '92 after the floods, and even the graffiti kids had stopped bothering with it. She ducked under the tape. The air down here was wrong. Too cold. Too still. Her boots found the dead third rail and crossed it with military precision, the narrow beam of her torch cutting across the old white tiles. The station sign still read CAMDEN VAULTS in flaked black letters. Freya from forensics gave her a nod that didn't reach her eyes. "You shouldn't have been called out for this, Detective. It's a mugging gone sideways." "That's what they said," Quinn said. She pulled her notebook from her pocket. The worn leather strap of her watch caught on her cuff as she did. 03:42. Her left wrist, always. She checked it as a matter of habit, not because she needed the time. The body lay in the center of the platform where no body should have been able to get to without tools and intent and a key to three padlocked service doors. Male, late twenties, expensive coat ruined by the damp. Throat cut. Clean, single motion. No defensive wounds on the hands. On his chest, his own hands were folded, deliberate. In his right fist, clenched tight even in death, something pale poked out. And no blood. Quinn crouched. Her closely cropped salt-and-pepper hair was still damp from the rain up top. She felt the cold settling into her knees through her trousers. The tiles around the body were dry. Under it, dry. The cut was deep enough to have taken the carotid and the windpipe. There should have been arterial spray across the tiles, across his coat, across his folded hands. There was nothing but a dark, dried crust at the edges of the wound itself, as if the blood had decided to stop precisely at the skin. "See?" Freya said behind her. "We found traces upstairs in the access tunnel. He was killed up there and moved down here. Kids playing at some ritual thing. They carried him down and posed him." "Why?" "To freak us out? To make it look occult? You know how it gets around here." Quinn didn't answer. She had eighteen years of decorated service and it had taught her that people who killed for money didn't carry bodies down two flights of service stairs and through three locks to pose them in an abandoned station. People who killed for kicks didn't fold hands. The sharp line of her jaw tightened. "Eva's coming down," Freya said, like an apology. "I called her because— well, you know, the bone thing." "I didn't authorize a consultant." "She was already awake. British Museum thinks she owns the night shift anyway." A scrape of boots on concrete, and then Eva Kowalski was picking her way across the platform, looking impossibly out of place and exactly like she belonged. Five-four in a second-hand wool coat that was too big for her, curly red hair escaping from under a beanie, round glasses fogging instantly in the cold. Her worn leather satchel, full of books from the weight of it, banged against her hip with every step. She saw the body and stopped tucking the hair behind her left ear long enough to press her knuckles to her mouth. "Oh," she said. Quinn stood. "You touch anything, Evie, and I will charge you." "I know, I know." Eva crouched without touching, peering through her glasses. Her green eyes went very wide. "That's a token." "The thing in his hand?" "Bone token. You need one to get in." She glanced up, freckled complexion pale under the harsh crime scene lights. "You shouldn't be able to even find this place without one. The Market— this place— it moves every full moon. Tonight's the last night it's here before it shifts. If he had a token, he was invited." Freya crossed her arms. "Market? What market? There's no market here." Eva didn't look at her. She looked at Quinn. "He wasn't killed up top and dragged down, Harlow." "Evidence suggests—" "There's no drag pattern. No blood trail. And the way his hands are folded? That's not posing. That's how they hold the token when they make a bargain. Thumb over the eyeholes." Quinn looked down again. The pale thing in the dead man's fist. Yes. Two small, drilled holes. A tiny, carved skull the size of a pound coin, yellowed. Bone token. The entry requirement she'd read about in Eva's annotated copy of Eliphas Levi, the copy that had gotten Eva banned from bringing her own books into the restricted archives. She knelt again, close enough that her brown eyes could see what Freya's team had missed because they were looking for what they expected. The man's collar was damp. Not with blood. With condensation. As if something very cold had stood directly over him for a very long time. And the wound. She leaned in. The edges weren't just clean. They were frosted. Tiny crystals still rimmed the cut. "He wasn't cut with a knife," Quinn said quietly. Freya snorted. "Detective, with all due respect, that is a textbook—" "It's a cold burn." Eva's voice was thin. She was digging in her satchel, pulling out layers of notebooks and plastic-sleeved papers until she found what she wanted. A small brass compass. The casing had a patina of verdigris that made it look ancient, but the glass was clear. The face was etched with protective sigils that hurt to look at directly. She held it over the body. The needle spun lazily once, then slammed hard to the north, toward the tiled wall with the faded Underground map. It didn't waver. It pointed, trembling violently, like a live thing straining at a leash. "Wards," Eva whispered. "They're still active. That's not death. That's—" "That's a door," Quinn said. Three years ago, DS Morris had gone into a council flat in Woolwich to interview a witness and had come out catatonic. He'd died two days later in hospital. The doctors had said stroke. His bloodwork had shown flash-frozen plasma. The forensics team had found no blood at the scene either, just a cold spot in the middle of the floor that never warmed up, no matter how high they cranked the heat. She'd never gotten a straight answer. She'd started keeping Eva's books. She stood, following the line of the needle to the wall. Up close, the old Tube map tiles were wrong. Six tiles had been replaced. Newer. Not Thames clay. Something that looked like bone dust compressed and glazed. "What do you see?" Eva asked. "Six tiles that shouldn't be there," Quinn said. "Freya, get me a scalpel." "That's evidence—" "Get me a scalpel." When it came, Quinn worked the edge under the tile to the left of the compass's insistence. The tile resisted, then popped free with a sound like a tooth being pulled. Behind it was not brick. Behind it was nothing. A seam of black that drank her torchlight and the crime scene LEDs and gave nothing back. The air coming out of it smelled of copper and old churches. And it was weeping. A single, slow drop of blood, impossibly fresh, fell from the bottom edge of the nothing onto the platform and steamed. Freya made a small, involuntary noise and stepped back. The compass in Eva's hand spun again, and then stopped, pointing straight up, straight down, straight through, all at once, buzzing against her palm. "It's still open," Eva breathed. She was tucking hair behind her ear frantically now. "The rift. He opened a rift to get in, he paid the token, but someone closed it from the other side while he was halfway through. That's why there's no blood. It's all still—" "On the other side," Quinn finished. Her heart was hammering against her ribs with that old, awful rhythm she'd felt in Woolwich. Not fear. Recognition. She looked down at the man who had tried to buy his way into the Veil Market beneath Camden, who had paid his entry and been cut in half by a door that moved every full moon. She looked at the blood steaming on the tile. Someone had closed it on purpose. Someone stood on the other side and watched. "Whoever shut this," she said, turning her brown eyes to Eva, her voice low enough that only the other woman could hear it over the hum of the generators, "they were already inside when he tried to come in. They didn't want a witness." Eva nodded, her round glasses reflecting the black seam. Quinn lifted her radio, thumb finding the worn groove in the plastic. "This is Detective Sergeant Quinn. I need the duty inspector and a full lock-down on all Camden service exits. No one comes in or out. And get me everything we have on missing persons who bought their way into the Veil Market in the last month." Freya stared at the open black in the wall. "Detective, what the hell are you reporting?" Quinn glanced down at her watch. The second hand had stopped. "The crime scene isn't here," she said. "It never was. The body is."
created_at"2026-07-25T17:56:24.891Z" 7/25/2026, 5:56:24 PM
model"meta/muse-spark-1.1-20260709"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency4633
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generation_time20531
tokens_prompt896
tokens_completion2270
native_tokens_prompt989
native_tokens_completion2615
native_tokens_completion_images0
native_tokens_reasoning576
native_tokens_cached0
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num_input_audio_prompt(null)
num_media_completion0
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origin"https://ncbench.com/"
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provider_responses
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latency432
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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
totalTags16
adverbTagCount1
adverbTags
0"Quinn said quietly [quietly]"
dialogueSentences40
tagDensity0.4
leniency0.8
rawRatio0.063
effectiveRatio0.05
84.19% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1581
totalAiIsmAdverbs5
found
0
adverb"precisely"
count1
1
adverb"very"
count3
2
adverb"lazily"
count1
highlights
0"precisely"
1"very"
2"lazily"
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)
93.67% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1581
totalAiIsms2
found
0
word"weight"
count1
1
word"etched"
count1
highlights
0"weight"
1"etched"
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
narrationSentences122
matches(empty)
96.02% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount3
hedgeCount1
narrationSentences122
filterMatches
0"watch"
1"look"
hedgeMatches
0"tried to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences146
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen47
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1581
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions15
unquotedAttributions0
matches(empty)
83.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions56
wordCount1179
uniqueNames20
maxNameDensity1.19
worstName"Quinn"
maxWindowNameDensity2.5
worstWindowName"Eva"
discoveredNames
Northern2
Line2
Harlow1
Quinn14
Camden2
Transport1
London1
Eva13
Kowalski1
Freya8
Eliphas1
Levi1
Underground1
Three1
Morris1
Woolwich2
Tube1
Thames1
Veil1
Market1
persons
0"Harlow"
1"Quinn"
2"Eva"
3"Kowalski"
4"Freya"
5"Eliphas"
6"Levi"
7"Morris"
places
0"London"
1"Three"
2"Woolwich"
3"Thames"
4"Veil"
globalScore0.906
windowScore0.833
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences69
glossingSentenceCount1
matches
0"looked like bone dust compressed and glaz"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1581
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences146
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs62
mean25.5
std21.29
cv0.835
sampleLengths
030
137
251
312
414
546
631
742
83
992
1035
111
1216
1349
147
1518
165
1713
1873
1922
203
2111
2221
235
2457
2511
2618
272
2832
2928
3031
3124
3225
3320
349
3511
3662
3741
3810
395
4084
4138
426
4313
442
454
4669
474
4821
499
90.88% Passive voice overuse
Target: ≤2% passive sentences
passiveCount5
totalSentences122
matches
0"were folded"
1"were frosted"
2"was etched"
3"been replaced"
4"being pulled"
0.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount6
totalVerbs193
matches
0"was picking"
1"were looking"
2"was digging"
3"was weeping"
4"was tucking"
5"was hammering"
100.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount0
semicolonCount0
flaggedSentences0
totalSentences146
ratio0
matches(empty)
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount365
adjectiveStacks0
stackExamples(empty)
adverbCount7
adverbRatio0.019178082191780823
lyAdverbCount0
lyAdverbRatio0
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences146
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences146
mean10.83
std9.62
cv0.889
sampleLengths
030
110
227
35
46
52
62
725
811
912
1014
116
127
1314
141
154
1614
1731
189
192
203
216
229
2313
243
252
2613
2711
287
293
3013
3116
3227
335
3430
351
3616
373
3838
398
407
418
4210
435
4413
4527
4627
4719
4822
493
54.94% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats12
diversityRatio0.3793103448275862
totalSentences145
uniqueOpeners55
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences100
matches(empty)
ratio0
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount30
totalSentences100
matches
0"She ducked under the tape."
1"Her boots found the dead"
2"She pulled her notebook from"
3"Her left wrist, always."
4"She checked it as a"
5"Her closely cropped salt-and-pepper hair"
6"She felt the cold settling"
7"She had eighteen years of"
8"Her worn leather satchel, full"
9"She saw the body and"
10"Her green eyes went very"
11"She glanced up, freckled complexion"
12"She looked at Quinn."
13"She knelt again, close enough"
14"She leaned in."
15"They were frosted."
16"She was digging in her"
17"She held it over the"
18"It didn't waver."
19"It pointed, trembling violently, like"
ratio0.3
80.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount76
totalSentences100
matches
0"The call had come in"
1"She ducked under the tape."
2"The air down here was"
3"Her boots found the dead"
4"The station sign still read"
5"Freya from forensics gave her"
6"She pulled her notebook from"
7"The worn leather strap of"
8"Her left wrist, always."
9"She checked it as a"
10"The body lay in the"
11"Her closely cropped salt-and-pepper hair"
12"She felt the cold settling"
13"The tiles around the body"
14"The cut was deep enough"
15"There should have been arterial"
16"Freya said behind her"
17"Quinn didn't answer."
18"She had eighteen years of"
19"People who killed for kicks"
ratio0.76
50.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences100
matches
0"As if something very cold"
ratio0.01
17.86% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences40
technicalSentenceCount7
matches
0"Freya from forensics gave her a nod that didn't reach her eyes."
1"She had eighteen years of decorated service and it had taught her that people who killed for money didn't carry bodies down two flights of service stairs and th…"
2"Five-four in a second-hand wool coat that was too big for her, curly red hair escaping from under a beanie, round glasses fogging instantly in the cold."
3"The entry requirement she'd read about in Eva's annotated copy of Eliphas Levi, the copy that had gotten Eva banned from bringing her own books into the restric…"
4"As if something very cold had stood directly over him for a very long time."
5"She was digging in her satchel, pulling out layers of notebooks and plastic-sleeved papers until she found what she wanted."
6"The casing had a patina of verdigris that made it look ancient, but the glass was clear."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags16
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags12
fancyCount2
fancyTags
0"Eva whispered (whisper)"
1"Eva breathed (breathe)"
dialogueSentences40
tagDensity0.3
leniency0.6
rawRatio0.167
effectiveRatio0.1
85.0299%