Run: 2026-07-25-01KYCPVK46M12ZPF18TTTM9F3X

Run Details

Duration:
57.7s
Cost:
$0.086150
Provider:
Amazon Bedrock

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 stairwell down to the old Camden platform smelled like wet chalk and rust, and Detective Harlow Quinn counted the steps as she went, because counting kept her from thinking about the last time she'd walked down into the dark after her partner. Forty-one steps. Then the tunnel. "Watch your head, guv," said Constable Ademola from somewhere below, and Quinn ducked under a bulge of dripping cable without breaking stride. Her torch cut a white cone through air that hung heavy and unmoving. Somewhere far off, water fell into water with the patience of centuries. The platform, when it opened up around her, was enormous and wrong. Someone had swept it. That was the first thing she noticed — not the body, not the lamps, not the ring of uniforms standing about with their hands in their pockets. The floor. A Tube station abandoned since the sixties should have been ankle-deep in litter and pigeon bones and the grey felt of accumulated dust. This floor had been swept clean in wide arcs, the way a shopkeeper sweeps a pavement, and the piles had been pushed neatly against the tiled wall beneath a poster advertising cigarettes to a generation now dead. "Who swept?" she said. Ademola blinked at her. "Sorry, ma'am?" "The floor. Was it your lot?" "No, ma'am. Nobody's touched anything. Forensics are ten minutes out — there's a lift out of service at Mornington Crescent so they're coming the long way round." Quinn crouched at the edge of one of the sweep-arcs and set the back of her hand near the tiles without touching. Her worn leather watch slid down her wrist. "Then somebody cleaned this platform, and somebody did it recently. A week. Maybe less." She looked up along the curve of the wall, and now she saw the other thing: the hooks. Iron hooks driven into the mortar between tiles at intervals of about four feet, forty or fifty of them, each with a scrap of twine or a shred of oilcloth still knotted to it. Rows of them. Like the frames of market stalls taken down in a hurry. She stood and turned a slow full circle, taking the room in the way she'd been taught eighteen years ago by a sergeant who had smelled permanently of pipe smoke: not looking for the thing that was there, but for the shape of the thing that had been. Stall frames. Swept floor. A cleared thoroughfare down the middle of the platform where the dust had been ground to powder by hundreds of feet. "Detective Quinn." A voice from the dark end, past the lamps. "You made it. God, it's freezing down here." DI Neil Vaughn came out of the shadows with his coat collar up and a takeaway cup in his hand — actually brought coffee down into a crime scene, which told her something about him she filed away without comment. He was fifty, soft in the middle, and he had the easy, sympathetic manner of a man who had never once been wrong in his own estimation. "Neil." "Rough one." He gestured with the cup. "Male, forties, no ID. Some poor sod came down here to shoot up or sleep, got into it with another poor sod, and now we're all standing in a sewer at two in the morning." "Is that what it is?" "That's what it always is." He said it kindly. "Come and look." The body lay just past the second lamp, half on the platform and half hanging over the edge into the trackbed, one arm dangling. A man, forties as Vaughn had said, in a good wool coat that had gone shiny at the elbows. Grey stubble. Boots — good boots, walking boots, the kind you paid for. His face was turned away and his hair was matted dark on the left side. Quinn knelt. She didn't touch. She just looked, and let the looking take as long as it wanted to take. "Blunt trauma to the temple," Vaughn said above her. "There's a length of pipe by the wall, twenty feet that way, blood on it. Argument, shove, he cracks his head, attacker panics and legs it. Textbook." "Mm." "You disagree." He sounded amused. "I haven't decided anything yet." She angled her torch. "Where's the blood?" "On the pipe." "On the floor, Neil. He's got an open head wound and he's lying on his left side and there's — " she moved the beam in a slow arc " — a smear under his cheek about the size of my palm. That's it. Blunt trauma to the temple with a pipe in a fight, you get spatter. You get cast-off on the wall behind the swing. You get a pool, because he lies here for hours bleeding out and hearts don't stop just because people do." She tilted her head. "He wasn't killed here." "Or he was killed here and it didn't bleed much." "Heads bleed." Vaughn sipped his coffee. "So he was moved. Dumped. Down forty-one steps and half a mile of tunnel? By a panicking junkie?" "That's the interesting bit, isn't it." Quinn rose and walked back along the platform, torch low, following the ground-down centre of the thoroughfare. Twenty feet on she stopped and pointed. "Look at that." Two parallel scuffs in the dust, faint, about ten inches apart. They ran from the dark mouth of the tunnel toward the body and stopped a yard short of it. "Heel drag," she said. "He was pulled. From the tunnel, not from the stairs. And whoever pulled him put him down there — " she indicated the exact spot " — and then arranged him. Look at his arm. His right arm's tucked under him. If you drag a man by the shoulders and let go, his arms flop out. That arm was folded in. And his coat's not rucked up round his armpits, which is what happens when you drag a body in a coat." She let the beam rest on the dead man's collar. "Somebody straightened his clothes after they put him down. That's not panic, Neil. That's tidying." Vaughn came and stood beside her, and to his credit he crouched and looked, and was quiet for a moment. "Or," he said, "a rough sleeper found him already dead and rolled him for his wallet, and pulled him about doing it. That accounts for the drag, the missing ID, and the poor sod not being where he died. And it doesn't require anything exotic." It was a good theory. That was the trouble with Vaughn — he was never stupid, only incurious. He would build a house out of the first three bricks he found and then live in it happily forever. "Show me the pipe," she said. It lay against the wall beneath a rank of iron hooks, a two-foot length of galvanised steel with a dark crust along one end. Quinn squatted and studied it without picking it up. "Blood," Vaughn said. "Blood," Quinn agreed. "On the end. Only on the end. And here — " she tapped the air an inch above the pipe's midsection " — see the dust? It's undisturbed. Nobody's had a hand round that pipe. It's been lying here long enough to collect dust and then someone's dabbed the end of it in a wound and put it back." Vaughn straightened up slowly. "You're saying it's staged." "I'm saying somebody wanted us to find a story we'd like." She rocked back on her heels. "The floor's been swept. Fifty stall hooks in that wall, and every scrap of cloth cut off in a hurry — look at the ends, they're frayed, not knotted, someone took a knife to them. There are cigarette ends down there in the sweepings, hundreds, and food wrappers, and — hand me a glove." Ademola produced one. Quinn pulled it on and sifted the nearest pile with two fingers. Ash. Wax drippings, dozens of colours. A curl of something like dried orange peel that smelled, when she brought it near her face, of pepper and burnt sugar and, underneath, a low animal sweetness that made the back of her throat tighten. And a small pale disc, ridged, no bigger than a coin. She held it to the torchlight. Bone. Drilled through the centre. Worn smooth on one face as though it had been carried in a pocket for years. Something moved in her chest, cold and familiar, the same feeling she'd had three years ago standing in a stairwell in Whitechapel with DS Morris's radio still crackling on the floor and Morris nowhere, not anywhere, not then and not since. "There was a market down here," she said quietly. "Hundreds of people. Regular enough that they swept, organised enough that they had stalls. And within the last week they packed it up and vanished, and they took everything that mattered and left the rubbish. And then somebody dragged a dead man in from the tunnel and dressed the scene so that anyone who came down here would see a junkie's fight and go home." "Quinn." Vaughn's voice had lost its ease. "That's a great deal of building on one bit of bone." "It's not one bit." She stood, tucking the disc into an evidence bag Ademola held open with slightly unsteady hands. "It's a swept floor, fifty hooks, a staged weapon, a body with no ID and hundred-pound boots, and drag marks coming from a tunnel that's bricked up nine hundred metres north — I checked the plans before I came down. So either he walked through a wall, or that tunnel isn't bricked up any more." She turned her torch toward the tunnel mouth. The beam died about thirty feet in, swallowed whole, and the dark past it did not look like ordinary dark. Behind her, Vaughn said, "There'll be an explanation." "There always is," said Quinn. "That's what worries me." She started walking toward the tunnel.
created_at"2026-07-25T13:18:57.677Z" 7/25/2026, 1:18:57 PM
model"anthropic/claude-opus-5-20260723"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2109
moderation_latency(null)
generation_time57630
tokens_prompt896
tokens_completion2309
native_tokens_prompt1285
native_tokens_completion3189
native_tokens_completion_images(null)
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"end_turn"
service_tier"default"
usage0.08615
router(null)
provider_responses
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endpoint_id"76cb4608-f48c-483d-8da8-9957fb44244e"
id"msg_011CdNqoaMqCt4FXoezbpQpW"
is_byokfalse
latency2061
model_permaslug"anthropic/claude-opus-5-20260723"
provider_name"Amazon Bedrock"
status200
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request_id"req-1784985537-TpzlHC5J417dTIQmF63j"
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api_type"completions"
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upstream_id"msg_011CdNqoaMqCt4FXoezbpQpW"
total_cost0.08615
cache_discount(null)
upstream_inference_cost0
provider_name"Amazon Bedrock"
response_cache_source_id(null)
data_region"global"

Evaluation details

Result Evaluator Details Meta Data
75.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags22
adverbTagCount3
adverbTags
0"said Constable Ademola from somewhere below [somewhere]"
1"She rocked back [back]"
2"she said quietly [quietly]"
dialogueSentences48
tagDensity0.458
leniency0.917
rawRatio0.136
effectiveRatio0.125
90.87% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1643
totalAiIsmAdverbs3
found
0
adverb"happily"
count1
1
adverb"slowly"
count1
2
adverb"slightly"
count1
highlights
0"happily"
1"slowly"
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)
96.96% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1643
totalAiIsms1
found
0
word"familiar"
count1
highlights
0"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
narrationSentences80
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences80
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences104
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen89
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1663
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions16
unquotedAttributions0
matches(empty)
83.33% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions34
wordCount962
uniqueNames13
maxNameDensity1.04
worstName"Vaughn"
maxWindowNameDensity2.5
worstWindowName"Vaughn"
discoveredNames
Camden1
Detective1
Harlow1
Quinn9
Constable1
Ademola4
Tube1
Iron1
Neil1
Vaughn10
Twenty1
Whitechapel1
Morris2
persons
0"Harlow"
1"Quinn"
2"Ademola"
3"Iron"
4"Neil"
5"Vaughn"
6"Morris"
places
0"Whitechapel"
globalScore0.98
windowScore0.833
43.62% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences47
glossingSentenceCount2
matches
0"smelled like wet chalk and rust, and Detec"
1"something like dried orange peel that smelle"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.601
wordCount1663
matches
0"not looking for the thing that was there, but for the shape of the thing"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences104
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs50
mean33.26
std30.54
cv0.918
sampleLengths
043
15
247
3105
44
56
66
727
8110
948
1025
1119
1267
131
1442
155
1612
1771
1820
1936
201
215
2212
233
2495
2510
262
2722
2833
2930
30111
3120
3245
3338
346
3533
363
3762
388
3971
4068
4127
4241
4374
4418
4575
4628
478
489
496
87.72% Passive voice overuse
Target: ≤2% passive sentences
passiveCount4
totalSentences80
matches
0"been swept"
1"been pushed"
2"been taught"
3"was turned"
4"was matted"
5"been carried"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount0
totalVerbs150
matches(empty)
32.97% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount4
semicolonCount0
flaggedSentences4
totalSentences104
ratio0.038
matches
0"That was the first thing she noticed — not the body, not the lamps, not the ring of uniforms standing about with their hands in their pockets."
1"DI Neil Vaughn came out of the shadows with his coat collar up and a takeaway cup in his hand — actually brought coffee down into a crime scene, which told her something about him she filed away without comment."
2"Boots — good boots, walking boots, the kind you paid for."
3"That was the trouble with Vaughn — he was never stupid, only incurious."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount963
adjectiveStacks0
stackExamples(empty)
adverbCount27
adverbRatio0.028037383177570093
lyAdverbCount9
lyAdverbRatio0.009345794392523364
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences104
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences104
mean15.99
std17.73
cv1.109
sampleLengths
043
12
23
322
413
512
612
74
827
92
1023
1137
124
134
142
156
1627
1722
188
1932
2034
213
2211
2348
242
252
2621
2711
288
2940
3027
311
327
3335
345
359
363
3724
3819
392
4011
4115
422
433
4415
459
4627
471
485
499
93.91% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats4
diversityRatio0.5865384615384616
totalSentences104
uniqueOpeners61
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount2
totalSentences65
matches
0"Then the tunnel."
1"Somewhere far off, water fell"
ratio0.031
66.15% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount25
totalSentences65
matches
0"Her torch cut a white"
1"Her worn leather watch slid"
2"She looked up along the"
3"She stood and turned a"
4"He was fifty, soft in"
5"He gestured with the cup"
6"He said it kindly"
7"His face was turned away"
8"She didn't touch."
9"She just looked, and let"
10"He sounded amused"
11"She angled her torch"
12"she moved the beam in"
13"They ran from the dark"
14"she indicated the exact She"
15"It was a good theory."
16"He would build a house"
17"It lay against the wall"
18"she tapped the air an"
19"She rocked back on her"
ratio0.385
60.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount52
totalSentences65
matches
0"The stairwell down to the"
1"Her torch cut a white"
2"The platform, when it opened"
3"Someone had swept it."
4"That was the first thing"
5"A Tube station abandoned since"
6"This floor had been swept"
7"Ademola blinked at her."
8"Quinn crouched at the edge"
9"Her worn leather watch slid"
10"She looked up along the"
11"Rows of them."
12"She stood and turned a"
13"A cleared thoroughfare down the"
14"A voice from the dark"
15"He was fifty, soft in"
16"He gestured with the cup"
17"He said it kindly"
18"The body lay just past"
19"A man, forties as Vaughn"
ratio0.8
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences65
matches(empty)
ratio0
50.69% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences31
technicalSentenceCount4
matches
0"She stood and turned a slow full circle, taking the room in the way she'd been taught eighteen years ago by a sergeant who had smelled permanently of pipe smoke…"
1"DI Neil Vaughn came out of the shadows with his coat collar up and a takeaway cup in his hand — actually brought coffee down into a crime scene, which told her …"
2"He was fifty, soft in the middle, and he had the easy, sympathetic manner of a man who had never once been wrong in his own estimation."
3"A curl of something like dried orange peel that smelled, when she brought it near her face, of pepper and burnt sugar and, underneath, a low animal sweetness th…"
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags22
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags11
fancyCount1
fancyTags
0"Quinn agreed (agree)"
dialogueSentences48
tagDensity0.229
leniency0.458
rawRatio0.091
effectiveRatio0.042
86.0406%