Run: 2026-04-24-01KQ0GFJJKHK5TH6ET1KG7YHSY

Run Details

Duration:
35.1s
Cost:
$0.073700
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 stairs down into the old Camden station smelled of damp brick and something else Quinn couldn't quite name — not decay, exactly. Something drier. Something that made the small hairs at the nape of her neck lift beneath her collar. She descended past the peeling tile, past a painted arrow pointing to a platform that hadn't served a train since the Blitz, and ducked under a strand of police tape a constable had strung between two rusted pipes. Her boots struck the concrete at a steady cadence. Eighteen years of this and she still counted her own footsteps toward a body. DS Morris used to laugh about that. Morris wasn't here to laugh now. "Detective Quinn." PC Odell peeled away from the group at the bottom of the stairs, a young man with a face the color of uncooked pastry. "Thanks for coming. SOCO's nearly finished. Pathologist's been and gone." "And I wasn't called till after the pathologist because—" "DCI Whelan's instruction, ma'am." "Of course it was." Quinn pulled on a pair of blue nitrile gloves, flexing her fingers. The leather strap of her watch creaked on her left wrist. "Talk me through it." Odell led her along the platform. The tiles here were cracked in long diagonals, and someone — not recently — had painted sigils on them in what looked like chalk and red ochre. Quinn catalogued the markings without comment. Graffiti, she told herself. Some idiot's idea of atmosphere. The body lay at the far end, a man in his thirties, suit trousers and a dark woolen coat fanned out behind him as if he'd been mid-stride when he'd fallen. No visible wounds. No blood. His eyes were open, and they were entirely white — not rolled back, Quinn saw as she crouched beside him. White like frosted glass. Like something had been poured into them and set. "Cause of death?" "Pathologist's provisional is cardiac arrest," Odell said. "No ligature marks, no defensive wounds. Wallet on him. Phone in his pocket. Cash, cards, the lot. Name's Daniel Reeve, thirty-four, works — worked — at an auction house in Mayfair." "Auction house." "Specialist in antiquities, apparently." Quinn lifted the edge of the dead man's coat with one gloved finger. The lining was cold, and something small and hard pressed against her knuckle through the fabric. She parted the coat and found an inside pocket stitched by hand, not factory-made. Inside sat a piece of yellowed bone the length of her thumb, polished smooth, drilled through one end and threaded with black cord. "Did your scene examiner log this?" Odell peered. "I don't — I don't think so, ma'am. The coat was buttoned." "Then it will be logged now." She held the bone up to the light of her torch. Tiny characters had been scored into its surface, not quite runes, not quite letters. She set it aside on an evidence tray and straightened, rolling her shoulders against the cold. "Detective Quinn." The voice came from behind her, pitched soft and a little breathless. Quinn turned. Eva Kowalski stood at the edge of the cordon with a uniformed officer at her elbow, her satchel clutched against her chest like a shield. Her red hair had escaped its tie on one side, and she was already tucking it behind her left ear in that small, nervous gesture Quinn had noted twice before — once across an interview table, once at a crime scene in Spitalfields where Kowalski had no earthly reason to be. "Miss Kowalski. Let me guess. You were just passing." "The Museum was consulted," Eva said. "About the markings. I'm the duty researcher tonight, so —" "So here you are. At three in the morning. In an abandoned Tube station." Quinn crossed the platform. Eva didn't step back, quite, but her glasses slipped a fraction down her freckled nose and she didn't move to push them up. "Tell me about the sigils, then. Seeing as you're the expert." "They're — mixed." Eva's eyes flicked past Quinn to the tiles. "Some of them are protective. Hebrew roots, or a corruption. Some of them are older. Proto-Canaanite, maybe. Or meant to look like it. It's the sort of thing you find in theatrical set design, honestly. Nothing you'd take seriously." "And the body?" "I'm not a pathologist." "I noticed." Eva drew a breath. "If you want my interpretation — I think this was a ritual hoax gone wrong. Someone brought him down here to impress him. Or frighten him. His heart gave out. It happens." "Mm." Quinn turned a slow half-circle, taking in the platform. She let Eva's interpretation sit in the air, polite and reasonable and entirely wrong, and began to list the things that didn't belong in it. One: the dust. A thick, undisturbed skin of dust coated the platform two yards from the body in every direction. No scuffs. No drag marks. No second set of footprints but the victim's own, which came from the stairs and stopped where he had fallen. A man did not walk alone into a sealed Tube station and arrange himself for his own ritual. Two: the sigils. If they had been theatrical, Quinn thought, they would have been painted for effect — bold, large, visible from the stairs. These were small, tucked into corners, behind pipes, under the lip of the platform. They weren't meant to frighten anyone. They were meant to work. Three: the bone token. A man who dealt in antiquities might carry odd things, yes. But the cord was new. The bone was old and the cord was new, and it had been looped as if for quick use. Not a curio. A key. Four: Eva Kowalski, who had arrived before the body had a name, whose satchel bulged with books she hadn't opened, who was still tucking the same strand of hair behind the same ear. Five — and here Quinn's stomach did the thing it had done once before, three years ago, in a basement in Whitechapel where Morris had walked in and never walked out — the air. The air at the far end of the platform tasted wrong. Drier than it should have been. Charged, the way a room feels charged an instant before a lightbulb blows. She stepped back toward the body and crouched again. With her gloved thumb she eased open the dead man's left hand. The fingers were already stiff, but they parted enough to reveal what lay cupped in the palm: a smear of verdigris, blue-green and faint, in the unmistakable shape of a small round casing. Something had rested in that hand until very recently. Something brass. Something old. Quinn didn't look up at Eva. She kept her voice level. "Odell. I want this platform sealed. Nobody in, nobody out, and I want every sigil on these tiles photographed before anyone breathes on them." She rose to her full five-foot-nine, and only then turned. "Miss Kowalski. I think you and I should have a longer conversation. Somewhere with better light." Eva's hand went to her hair again. She smiled — a small, practiced, apologetic smile — and Quinn marked that too, and filed it, and waited.
created_at"2026-04-24T19:46:46.49Z" 4/24/2026, 7:46:46 PM
model"anthropic/claude-4.7-opus-20260416"
app_id182717
external_user(null)
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cancelledfalse
latency2659
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generation_time34736
tokens_prompt923
tokens_completion1852
native_tokens_prompt1290
native_tokens_completion2690
native_tokens_completion_images(null)
native_tokens_reasoning79
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"
usage0.0737
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provider_responses
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is_byokfalse
latency1355
model_permaslug"anthropic/claude-4.7-opus-20260416"
provider_name"Amazon Bedrock"
status200
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request_id"req-1777060006-eHTfEi0Sc3T48Y6ND89A"
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api_type"completions"
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Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags8
adverbTagCount1
adverbTags
0"PC Odell peeled away [away]"
dialogueSentences29
tagDensity0.276
leniency0.552
rawRatio0.125
effectiveRatio0.069
95.77% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1183
totalAiIsmAdverbs1
found
0
adverb"very"
count1
highlights
0"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)
78.87% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1183
totalAiIsms5
found
0
word"footsteps"
count1
1
word"flicked"
count1
2
word"stomach"
count1
3
word"charged"
count2
highlights
0"footsteps"
1"flicked"
2"stomach"
3"charged"
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
narrationSentences75
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount1
narrationSentences75
filterMatches
0"watch"
hedgeMatches
0"began to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences95
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen50
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1198
ratio0
matches(empty)
93.75% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions8
unquotedAttributions1
matches
0"Graffiti, she told herself."
66.67% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions39
wordCount922
uniqueNames11
maxNameDensity1.52
worstName"Quinn"
maxWindowNameDensity3
worstWindowName"Eva"
discoveredNames
Camden1
Quinn14
Blitz1
Morris3
Odell4
Tiny1
Kowalski3
Spitalfields1
Eva9
Tube1
Whitechapel1
persons
0"Quinn"
1"Morris"
2"Odell"
3"Kowalski"
4"Eva"
places
0"Spitalfields"
1"Whitechapel"
globalScore0.741
windowScore0.667
2.94% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences51
glossingSentenceCount3
matches
0"quite name — not decay, exactly"
1"looked like chalk and red ochre"
2"not quite runes, not quite letters"
3"not quite letters"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.835
wordCount1198
matches
0"No second set of footprints but"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences95
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs37
mean32.38
std24.05
cv0.743
sampleLengths
041
174
236
39
44
531
648
769
83
938
102
114
1266
136
1414
1547
162
1714
1876
199
2016
2152
2250
233
244
252
2636
2735
2863
2949
3044
3133
3264
3367
3411
3550
3626
77.19% Passive voice overuse
Target: ≤2% passive sentences
passiveCount6
totalSentences75
matches
0"were cracked"
1"been poured"
2"been scored"
3"been painted"
4"were meant"
5"been looped"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs146
matches
0"was already tucking"
1"was still tucking"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount10
semicolonCount0
flaggedSentences7
totalSentences95
ratio0.074
matches
0"The stairs down into the old Camden station smelled of damp brick and something else Quinn couldn't quite name — not decay, exactly."
1"The tiles here were cracked in long diagonals, and someone — not recently — had painted sigils on them in what looked like chalk and red ochre."
2"His eyes were open, and they were entirely white — not rolled back, Quinn saw as she crouched beside him."
3"Her red hair had escaped its tie on one side, and she was already tucking it behind her left ear in that small, nervous gesture Quinn had noted twice before — once across an interview table, once at a crime scene in Spitalfields where Kowalski had no earthly reason to be."
4"If they had been theatrical, Quinn thought, they would have been painted for effect — bold, large, visible from the stairs."
5"Five — and here Quinn's stomach did the thing it had done once before, three years ago, in a basement in Whitechapel where Morris had walked in and never walked out — the air."
6"She smiled — a small, practiced, apologetic smile — and Quinn marked that too, and filed it, and waited."
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount606
adjectiveStacks1
stackExamples
0"hard pressed against her"
adverbCount24
adverbRatio0.039603960396039604
lyAdverbCount5
lyAdverbRatio0.00825082508250825
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences95
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences95
mean12.61
std10.42
cv0.827
sampleLengths
023
12
216
338
49
514
67
76
826
910
109
114
1216
1311
144
156
1627
176
184
195
2031
213
222
2320
244
259
263
277
2831
292
304
3113
3216
3314
3423
356
362
3712
3817
3914
4016
412
4212
432
4425
4551
469
476
4810
4918
79.30% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats8
diversityRatio0.5263157894736842
totalSentences95
uniqueOpeners50
0.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount0
totalSentences65
matches(empty)
ratio0
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount14
totalSentences65
matches
0"She descended past the peeling"
1"Her boots struck the concrete"
2"His eyes were open, and"
3"She parted the coat and"
4"She held the bone up"
5"She set it aside on"
6"Her red hair had escaped"
7"She let Eva's interpretation sit"
8"They weren't meant to frighten"
9"They were meant to work."
10"She stepped back toward the"
11"She kept her voice level."
12"She rose to her full"
13"She smiled — a small,"
ratio0.215
98.46% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount47
totalSentences65
matches
0"The stairs down into the"
1"Something that made the small"
2"She descended past the peeling"
3"Her boots struck the concrete"
4"DS Morris used to laugh"
5"Morris wasn't here to laugh"
6"PC Odell peeled away from"
7"Quinn pulled on a pair"
8"The leather strap of her"
9"Odell led her along the"
10"The tiles here were cracked"
11"Quinn catalogued the markings without"
12"Graffiti, she told herself."
13"Some idiot's idea of atmosphere."
14"The body lay at the"
15"His eyes were open, and"
16"Quinn lifted the edge of"
17"The lining was cold, and"
18"She parted the coat and"
19"She held the bone up"
ratio0.723
76.92% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences65
matches
0"If they had been theatrical,"
ratio0.015
56.28% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences33
technicalSentenceCount4
matches
0"Something that made the small hairs at the nape of her neck lift beneath her collar."
1"She descended past the peeling tile, past a painted arrow pointing to a platform that hadn't served a train since the Blitz, and ducked under a strand of police…"
2"The body lay at the far end, a man in his thirties, suit trousers and a dark woolen coat fanned out behind him as if he'd been mid-stride when he'd fallen."
3"She let Eva's interpretation sit in the air, polite and reasonable and entirely wrong, and began to list the things that didn't belong in it."
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags8
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags2
fancyCount0
fancyTags(empty)
dialogueSentences29
tagDensity0.069
leniency0.138
rawRatio0
effectiveRatio0
84.0050%