Run: 2026-07-01-01KWE8V461QKCPKNE7SCEB67EX

Run Details

Duration:
34.4s
Cost:
$0.023480
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 abandoned Tube station smelled of cordite and something sweeter underneath, something Quinn couldn't name and didn't like. She ducked under the crime scene tape strung across the top of the escalator, her torch beam cutting through the dark in a tight white cone, and started down. Camden Town station had been closed for eleven years, officially due to structural concerns nobody had ever bothered to fix. Unofficially, Quinn had learned over the last three years, closed stations like this one had a habit of hosting things that had no business existing in a rational city. She'd stopped saying that thought aloud. It made people look at her the way they'd looked at her after Morris. "Ma'am." PC Denholm was waiting at the bottom, young, pale, his own torch trembling slightly in his grip. "Forensics are still setting up. Wasn't sure if we should call it in as a homicide or—" "Or what?" He didn't answer. He just gestured toward the platform. The body lay in the center of the old platform, arms flung wide, and around it, in a perfect ring some six feet across, the tiled floor had been scorched black. Not smoke-damage black. Glassy. As if the tile had been fired in a kiln and left to cool exactly where it lay. Quinn crouched at the edge of the ring, careful not to touch it, and studied the way the char pattern radiated outward in what looked, absurdly, like flower petals. "Electrical fault," said a voice behind her. DS Priya Nandframed herself in the mouth of the tunnel, notebook already out. "Old wiring, station's been derelict for over a decade. I'd put money on it." "Would you." Quinn didn't look up. "Show me the wiring, then. Show me the conduit that runs under this platform hot enough to vitrify ceramic tile in a circle that neat." Nandframed didn't answer that either, which told Quinn everything she needed to know about how far that theory would survive contact with the evidence. She moved closer to the body. Male, mid-thirties, dressed in a suit that had probably cost more than her monthly salary. No visible wounds. No blood. His eyes were open, fixed on the curved ceiling of the platform, and his expression wasn't pain. It was closer to wonder. Quinn had seen a lot of dead faces in eighteen years. She had never seen one that looked like that. "Time of death?" "ME's guessing between midnight and two. Hard to say — body temp's all over the place. Like he'd been standing in front of an oven and a freezer at the same time." Nandframed crouched beside her, close enough that Quinn could smell her coffee breath. "Look, I know how this sounds, boss, but occasionally the mundane explanation is the correct one. Faulty gas main. Rats chewed through insulation. There's always a boring answer if you look hard enough." "I have looked hard enough." Quinn nodded toward the man's right hand. His fingers were curled, not in the loose slackness of death but gripped tight around something. She snapped on a glove, gently pried the fingers open. A coin. Except it wasn't a coin — too light, the wrong color, carved from something that looked like bone gone the color of old ivory, etched with symbols she didn't recognize but had absolutely, unmistakably seen before. Three months ago. In an evidence bag from a burglary at a Bloomsbury townhouse that had never been solved, where the only thing stolen was a locked cabinet and the only witness statement had described "a smell like a struck match and then nothing at all." "That's not London Transport issue," Nandframed said, trying for humor. Quinn turned the token over in her palm. On the reverse, worn nearly smooth, was a symbol shaped like an eye inside a crescent. She'd seen that mark once before too — scratched into the doorframe of the flat where Morris had died. She'd spent three years telling herself it was graffiti. Coincidence. The kind of pattern-matching grief did to a mind that refused to let a case go cold. She was done telling herself that. "He didn't die here," she said slowly, standing, joints protesting. "Look at the burn radius. It's centered on him, but the scorching's more intense two feet to his left than directly beneath his body. If this were combustion originating from him, the pattern would radiate from his center of mass outward, evenly. It doesn't." "So what, he was dragged?" "No drag marks. No disturbance to the char pattern at the edges, which you'd expect if a body had been moved across it after the tile cooled. He arrived already dead, and something opened right where he's lying and put him down gently enough not to disturb the burn." Quinn crouched again, this time examining the air above the body, though there was nothing to see — only the faint dizzy wrongness she'd learned, against every instinct her training had given her, to trust. "Or something opened, and he stepped through, and whatever was on the other side burned this pattern into the platform as the door closed behind him." Nandframed's face did the thing faces did when someone said something that couldn't be filed under any heading in the Police and Criminal Evidence Act. "You're not seriously suggesting—" "I'm suggesting we bag the coin, log it as unidentified metal alloy, and I take it to a specialist." Quinn slid the token into an evidence bag, sealed it, and did not write bone in the description field, though bone was exactly what it was. "I'm suggesting this is the third body I've seen in three years with that symbol on or near it, and every single time, the official report has called it something boring. Electrical fault. Gas leak. Cardiac event with unusual environmental factors." "And you think that's wrong." "I think," Quinn said, straightening, feeling the old ache settle into her knees the way it always did in the cold hours before dawn, "that somebody in this city has been getting away with murder for a very long time, and they've been doing it by making sure the crime scenes look exactly like something the rest of us don't have a name for. Which means we stop looking for a name we recognize, and we start looking for a person." She looked once more at the dead man's face, at that terrible, luminous wonder frozen into his features, and thought — not for the first time, and not, she suspected, for the last — of a redheaded woman she'd seen twice now near two separate scenes just like this one, always at the edge of the tape, always gone before anyone thought to ask her name.
created_at"2026-07-01T07:21:07.534Z" 7/1/2026, 7:21:07 AM
model"anthropic/claude-sonnet-5-20260630"
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external_user(null)
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cancelledfalse
latency1681
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generation_time34382
tokens_prompt923
tokens_completion1654
native_tokens_prompt1285
native_tokens_completion2091
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)
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origin"https://ncbench.com/"
is_byokfalse
finish_reason"stop"
native_finish_reason"end_turn"
service_tier"default"
usage0.02348
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provider_responses
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is_byokfalse
latency1681
model_permaslug"anthropic/claude-sonnet-5-20260630"
provider_name"Amazon Bedrock"
status200
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api_type"completions"
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provider_name"Amazon Bedrock"
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data_region"global"

Evaluation details

Result Evaluator Details Meta Data
0.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags10
adverbTagCount3
adverbTags
0"own torch trembling slightly [slightly]"
1"she said slowly [slowly]"
2"Quinn crouched again [again]"
dialogueSentences23
tagDensity0.435
leniency0.87
rawRatio0.3
effectiveRatio0.261
77.68% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1120
totalAiIsmAdverbs5
found
0
adverb"slightly"
count1
1
adverb"gently"
count2
2
adverb"slowly"
count1
3
adverb"very"
count1
highlights
0"slightly"
1"gently"
2"slowly"
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)
86.61% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1120
totalAiIsms3
found
0
word"perfect"
count1
1
word"etched"
count1
2
word"absolutely"
count1
highlights
0"perfect"
1"etched"
2"absolutely"
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
narrationSentences48
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences48
filterMatches
0"look"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences60
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen83
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1126
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions17
unquotedAttributions0
matches(empty)
66.43% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions28
wordCount718
uniqueNames12
maxNameDensity1.67
worstName"Quinn"
maxWindowNameDensity3
worstWindowName"Quinn"
discoveredNames
Tube1
Quinn12
Town1
Morris2
Denholm1
Priya1
Nandframed5
Bloomsbury1
Police1
Criminal1
Evidence1
Act1
persons
0"Quinn"
1"Morris"
2"Nandframed"
places
0"Town"
1"Bloomsbury"
2"Police"
3"Evidence"
globalScore0.664
windowScore0.667
11.11% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences36
glossingSentenceCount2
matches
0"looked like that"
1"looked like bone gone the color of old iv"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.888
wordCount1126
matches
0"not in the loose slackness of death but gripped tight around something"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences60
matches
0"saying that thought"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs25
mean45.04
std31.91
cv0.708
sampleLengths
047
169
235
32
49
582
634
731
824
968
103
1178
1238
1384
1410
1570
166
1754
185
19110
2029
2186
225
2381
2466
68.71% Passive voice overuse
Target: ≤2% passive sentences
passiveCount5
totalSentences48
matches
0"been closed"
1"been scorched"
2"been fired"
3"were curled"
4"been solved"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount1
totalVerbs133
matches
0"was waiting"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount5
semicolonCount0
flaggedSentences4
totalSentences60
ratio0.067
matches
0"Except it wasn't a coin — too light, the wrong color, carved from something that looked like bone gone the color of old ivory, etched with symbols she didn't recognize but had absolutely, unmistakably seen before."
1"She'd seen that mark once before too — scratched into the doorframe of the flat where Morris had died."
2"\"No drag marks. No disturbance to the char pattern at the edges, which you'd expect if a body had been moved across it after the tile cooled. He arrived already dead, and something opened right where he's lying and put him down gently enough not to disturb the burn.\" Quinn crouched again, this time examining the air above the body, though there was nothing to see — only the faint dizzy wrongness she'd learned, against every instinct her training had given her, to trust."
3"She looked once more at the dead man's face, at that terrible, luminous wonder frozen into his features, and thought — not for the first time, and not, she suspected, for the last — of a redheaded woman she'd seen twice now near two separate scenes just like this one, always at the edge of the tape, always gone before anyone thought to ask her name."
87.83% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount716
adjectiveStacks0
stackExamples(empty)
adverbCount37
adverbRatio0.051675977653631286
lyAdverbCount16
lyAdverbRatio0.0223463687150838
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences60
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences60
mean18.77
std18.16
cv0.968
sampleLengths
018
129
220
329
46
514
618
717
82
93
106
1131
123
131
1418
1529
167
1713
1814
196
2025
2124
226
2315
243
252
2617
275
2811
299
303
3145
3233
3312
3416
3510
362
3736
383
3943
4010
418
4216
4319
449
451
4617
476
4810
4944
93.33% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats4
diversityRatio0.6
totalSentences60
uniqueOpeners36
75.76% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount1
totalSentences44
matches
0"Unofficially, Quinn had learned over"
ratio0.023
74.55% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount16
totalSentences44
matches
0"She ducked under the crime"
1"She'd stopped saying that thought"
2"It made people look at"
3"He didn't answer."
4"He just gestured toward the"
5"She moved closer to the"
6"His eyes were open, fixed"
7"It was closer to wonder."
8"She had never seen one"
9"His fingers were curled, not"
10"She snapped on a glove,"
11"She'd seen that mark once"
12"She'd spent three years telling"
13"She was done telling herself"
14"she said slowly, standing, joints"
15"She looked once more at"
ratio0.364
100.00% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount31
totalSentences44
matches
0"The abandoned Tube station smelled"
1"She ducked under the crime"
2"Camden Town station had been"
3"She'd stopped saying that thought"
4"It made people look at"
5"PC Denholm was waiting at"
6"He didn't answer."
7"He just gestured toward the"
8"The body lay in the"
9"Quinn crouched at the edge"
10"DS Priya Nandframed herself in"
11"Quinn didn't look up"
12"She moved closer to the"
13"His eyes were open, fixed"
14"It was closer to wonder."
15"Quinn had seen a lot"
16"She had never seen one"
17"Quinn nodded toward the man's"
18"His fingers were curled, not"
19"She snapped on a glove,"
ratio0.705
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences44
matches
0"As if the tile had"
ratio0.023
40.82% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences21
technicalSentenceCount3
matches
0"Unofficially, Quinn had learned over the last three years, closed stations like this one had a habit of hosting things that had no business existing in a ration…"
1"Male, mid-thirties, dressed in a suit that had probably cost more than her monthly salary."
2"Except it wasn't a coin — too light, the wrong color, carved from something that looked like bone gone the color of old ivory, etched with symbols she didn't re…"
100.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags10
uselessAdditionCount0
matches(empty)
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags3
fancyCount1
fancyTags
0"Nandframed said (nandframe say)"
dialogueSentences23
tagDensity0.13
leniency0.261
rawRatio0.333
effectiveRatio0.087
82.7609%