Run: 2026-04-24-01KQ0G2D52T2DE9XV09ZSAXV3G

Run Details

Duration:
35.2s
Cost:
$0.077025
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 rain had stopped by the time Quinn ducked beneath the police tape, but the water still ran in small black rivers down the brickwork, pooling on the platform where somebody had died. "Down here, guv." DS Whitaker's voice echoed off the tiles. He was a broad man, ten years younger than her and twice as willing to believe the first thing anyone told him. "SOCOs are nearly done. Pathologist's on his way." Quinn descended the last of the service steps, the worn leather of her watch strap catching on her cuff. She thumbed it straight without looking. Eighteen years on the Job had taught her to read a scene the way other people read a room — the air first, then the light, then the placement of things. The air here was wrong. Too cold for April, too still for a tunnel with open vents at either end. It carried a scent that wasn't quite damp rot and wasn't quite ozone, something she had smelled precisely once before, three years ago, in a warehouse in Wapping where DS Morris had gone in through the front door and had never walked out again. She pushed that thought back into the box it lived in and stepped onto the platform. The body lay on its side six feet from the edge, one arm folded beneath it, the other extended as though reaching. Male, mid-thirties, expensive coat gone grey with dust. His face, what she could see of it, was turned away. "Name's Callum Beale," Whitaker said, flipping his notebook. "Art dealer. Gallery in Bloomsbury. Last seen leaving his flat at half-eleven last night." "Cause?" "Blunt force, looks like. Back of the skull's caved in. There's a lump of masonry a few feet off — chunk of the ceiling, probably. Half the tiles up there are hanging by faith." He nodded upward. "Working theory is he came down here chasing a thrill, got clipped by a bit of falling brick, died where he dropped." Quinn said nothing. She crouched beside the body, careful of the evidence markers, and looked. The masonry Whitaker meant sat two yards off, a dull lozenge of concrete the size of a fist. There was blood on it, dark and flaking. There was blood on the platform too, in a small, decorous pool beneath Beale's head. Quinn considered the pool. Considered the stone. "Whitaker." "Guv." "How tall's that ceiling?" He tipped his head back. "Twelve foot? Thirteen?" "And the stone weighs, what, three kilos?" "Thereabouts." "Drop three kilos from thirteen feet onto a man's skull," she said, "and you don't get a pool this tidy. You get spatter. You get an arc on the tiles, on the coat, on the masonry itself where it bounced." She lifted her torch and played it along the platform edge. "There's no spatter, Whitaker. There's a puddle." He crouched beside her, frowning. "Could've been moved." "By whom? The rats?" She moved the beam up the wall. The tiles were streaked with grime, but not with red. "Nobody's dragged this man. Look at his coat. No scuff on the back of it, no dust drag. He fell where he's lying. He bled where he fell. But he didn't bleed enough, and he didn't bleed wide." Whitaker rubbed his jaw. "So someone put him down somewhere else and carried him in." "Then we'd have drip trail. Or we'd have compression marks on the coat from where they held him. We haven't." She stood and stepped back. "No. He died here. Just not the way you think." She walked the platform slowly, torch low. The SOCOs had marked a few cigarette ends near the stairs, a crushed Oyster card, a boot print in the dust that matched, Whitaker said, the deceased's own shoes. Quinn barely registered these. She was looking at the dust. It lay everywhere in a soft grey pelt, decades thick in the corners, scuffed to the concrete in the centre of the platform where the forensics team had trodden. But around the body, in a rough circle some nine feet across, the dust was different. Not scuffed. Not undisturbed. *Swept.* As though a wind had come through and settled it all flat again — a wind that had blown outward from Beale himself, leaving a clean, petaled shape like the imprint of an opening flower. She crouched again, ten feet from the body, and held her palm over the floor. The hair on the back of her hand stirred. Not a draught. Something else. A faint, almost inaudible thrumming in the bones of her wrist, the way a tuning fork felt when you held it close but didn't touch it. "Guv?" "Quiet a minute." There was a mark on the tile at the centre of the swept circle, just past Beale's outstretched fingers. Not blood. Not soot. A stain the colour of weak tea, roughly triangular, the edges of it burned — not scorched like fire, but *eroded*, as though the tile had aged a century in a patch the size of a saucer. She'd seen that pattern before. Wapping. The doorway Morris had stepped through. The one that hadn't been there when the uniforms had arrived. Her mouth went dry. "Whitaker." She kept her voice even. "Who called this in?" "Anonymous. Payphone on Camden High Street. Male, young. We've pulled the tape." "And who found the stairwell door unlocked?" "First response. PC Adebayo." "Was it forced?" A pause. "He didn't say." "Ask him." Whitaker lifted his radio and stepped away. Quinn stayed where she was, the cold working up through the soles of her boots. She looked at Callum Beale's extended hand. The fingers were curled slightly, not in the slack unclench of the newly dead but in the deliberate shape of something having been held and lost. She leaned closer. Between the index and middle finger, caught in the weave of his glove, was a splinter the length of an eyelash. Pale. Porous. Not wood. Bone. Quinn sat back on her heels and felt, quite distinctly, the ground tilt beneath her. *Moves locations every full moon.* She had heard the phrase in an informant's slurred half-sentence six months ago, in a pub in Whitechapel, and written it off as superstition. She looked again at the arched tunnel mouth, the dust petalled outward, the tea-coloured burn on the tile, the splinter of bone in a dead art dealer's glove, and the thrumming in her wrist grew, for a moment, into something that felt almost like a hand. "Guv?" Whitaker was back. "Adebayo says the door wasn't just unlocked. It wasn't there. First pass, he walked straight past the wall. Came back ten minutes later and there was a door in it." Quinn stood slowly. Her knees clicked. The sound was enormously loud in the hush of the platform. "Get everyone out," she said. "Guv?" "Everyone. Now. Seal the stairwell. No one comes down here again until I say so." "On what grounds?" She looked at him. Brown eyes steady, jaw set. "On the grounds," she said, "that I don't yet know what killed this man, and I am not prepared to lose another officer to finding out." Whitaker opened his mouth. Closed it. Nodded. He walked back toward the stairs with his radio already at his lips. Quinn stayed a moment longer, alone with Callum Beale and the swept dust and the thrumming in her wrist. Somewhere, very faintly, she thought she could hear a market. Then she turned and climbed back into the rain.
created_at"2026-04-24T19:39:34.95Z" 4/24/2026, 7:39:34 PM
model"anthropic/claude-4.7-opus-20260416"
app_id182717
external_user(null)
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cancelledfalse
latency2354
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generation_time35168
tokens_prompt923
tokens_completion2050
native_tokens_prompt1290
native_tokens_completion2823
native_tokens_completion_images(null)
native_tokens_reasoning209
native_tokens_cached0
num_media_prompt(null)
num_input_audio_prompt(null)
num_media_completion0
num_search_results(null)
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web_search_engine(null)
origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"end_turn"
usage0.077025
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provider_responses
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is_byokfalse
latency884
model_permaslug"anthropic/claude-4.7-opus-20260416"
provider_name"Amazon Bedrock"
status200
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request_id"req-1777059574-8DreEAqtU7L4NcYNbRrm"
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Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags9
adverbTagCount1
adverbTags
0"He nodded upward [upward]"
dialogueSentences38
tagDensity0.237
leniency0.474
rawRatio0.111
effectiveRatio0.053
80.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1250
totalAiIsmAdverbs5
found
0
adverb"precisely"
count1
1
adverb"slowly"
count2
2
adverb"slightly"
count1
3
adverb"very"
count1
highlights
0"precisely"
1"slowly"
2"slightly"
3"very"
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)
96.00% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1250
totalAiIsms1
found
0
word"echoed"
count1
highlights
0"echoed"
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
narrationSentences82
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences82
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences110
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen51
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans3
markdownWords7
totalWords1254
ratio0.006
matches
0"Swept."
1"eroded"
2"Moves locations every full moon."
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions12
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions32
wordCount904
uniqueNames10
maxNameDensity1
worstName"Quinn"
maxWindowNameDensity2
worstWindowName"Whitaker"
discoveredNames
Quinn9
Whitaker8
Job1
April1
Wapping2
Morris2
Beale5
Oyster1
Callum2
Whitechapel1
persons
0"Quinn"
1"Whitaker"
2"Job"
3"Morris"
4"Beale"
places
0"Wapping"
1"Callum"
2"Whitechapel"
globalScore1
windowScore1
38.89% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences45
glossingSentenceCount2
matches
0"quite ozone, something she had smelled precisely once before, three years ago, in a warehouse in Wapping where DS Morris had gone in through the front door and had never walked out again"
1"as though reaching"
40.51% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches2
per1kWords1.595
wordCount1254
matches
0"not scorched like fire, but *eroded*, as though the tile had aged a century in a patch t"
1"not in the slack unclench of the newly dead but in the deliberate shape of something having been held"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount2
totalSentences110
matches
0"pushed that thought"
1"seen that pattern"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs49
mean25.59
std28.05
cv1.096
sampleLengths
033
140
2120
316
441
522
61
759
815
948
101
111
124
138
147
151
1658
178
1859
1915
2035
2146
2285
2355
241
253
2683
274
2810
2912
307
314
323
335
342
3583
361
3715
3875
3934
4017
415
421
4315
443
4535
4620
4729
489
92.43% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences82
matches
0"was turned"
1"were streaked"
2"were curled"
3"been held"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs141
matches
0"was looking"
64.94% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount3
semicolonCount0
flaggedSentences3
totalSentences110
ratio0.027
matches
0"Eighteen years on the Job had taught her to read a scene the way other people read a room — the air first, then the light, then the placement of things."
1"*Swept.* As though a wind had come through and settled it all flat again — a wind that had blown outward from Beale himself, leaving a clean, petaled shape like the imprint of an opening flower."
2"A stain the colour of weak tea, roughly triangular, the edges of it burned — not scorched like fire, but *eroded*, as though the tile had aged a century in a patch the size of a saucer."
94.35% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount904
adjectiveStacks0
stackExamples(empty)
adverbCount42
adverbRatio0.046460176991150445
lyAdverbCount10
lyAdverbRatio0.011061946902654867
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences110
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences110
mean11.4
std11.32
cv0.993
sampleLengths
033
110
222
38
419
56
631
75
815
944
1016
1122
128
1311
148
1514
161
1737
1822
193
2012
2118
228
2315
244
253
261
271
284
295
303
317
321
3351
347
355
363
3711
3810
3938
404
4111
4225
4310
447
4529
464
476
4829
4916
82.73% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats4
diversityRatio0.5181818181818182
totalSentences110
uniqueOpeners57
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount3
totalSentences67
matches
0"Too cold for April, too"
1"Somewhere, very faintly, she thought"
2"Then she turned and climbed"
ratio0.045
70.75% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount25
totalSentences67
matches
0"He was a broad man,"
1"She thumbed it straight without"
2"It carried a scent that"
3"She pushed that thought back"
4"His face, what she could"
5"He nodded upward"
6"She crouched beside the body,"
7"He tipped his head back."
8"she said, She lifted her"
9"He crouched beside her, frowning."
10"She moved the beam up"
11"She stood and stepped back"
12"She walked the platform slowly,"
13"She was looking at the"
14"It lay everywhere in a"
15"She crouched again, ten feet"
16"She'd seen that pattern before."
17"Her mouth went dry."
18"She kept her voice even"
19"She looked at Callum Beale's"
ratio0.373
57.01% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount54
totalSentences67
matches
0"The rain had stopped by"
1"DS Whitaker's voice echoed off"
2"He was a broad man,"
3"Quinn descended the last of"
4"She thumbed it straight without"
5"The air here was wrong."
6"It carried a scent that"
7"She pushed that thought back"
8"The body lay on its"
9"His face, what she could"
10"Whitaker said, flipping his notebook"
11"He nodded upward"
12"Quinn said nothing."
13"She crouched beside the body,"
14"The masonry Whitaker meant sat"
15"Quinn considered the pool."
16"He tipped his head back."
17"she said, She lifted her"
18"He crouched beside her, frowning."
19"She moved the beam up"
ratio0.806
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences67
matches(empty)
ratio0
53.57% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences32
technicalSentenceCount4
matches
0"It carried a scent that wasn't quite damp rot and wasn't quite ozone, something she had smelled precisely once before, three years ago, in a warehouse in Wappin…"
1"The SOCOs had marked a few cigarette ends near the stairs, a crushed Oyster card, a boot print in the dust that matched, Whitaker said, the deceased's own shoes…"
2"A stain the colour of weak tea, roughly triangular, the edges of it burned — not scorched like fire, but *eroded*, as though the tile had aged a century in a pa…"
3"She looked again at the arched tunnel mouth, the dust petalled outward, the tea-coloured burn on the tile, the splinter of bone in a dead art dealer's glove, an…"
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags9
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags4
fancyCount0
fancyTags(empty)
dialogueSentences38
tagDensity0.105
leniency0.211
rawRatio0
effectiveRatio0
85.7056%