Run: 2026-07-01-01KWE9KACB5AMT49WG7APW8M43

Run Details

Duration:
36.4s
Cost:
$0.024610
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 beneath Camden smelled of ozone and old pennies, and Detective Harlow Quinn had learned, over eighteen years, that smells like that meant trouble that wouldn't fit in a report. She ducked under the crime scene tape strung across the shattered turnstiles, her torch beam cutting through dust motes that hung suspended in the air rather than falling. That alone should have told her something. Dust fell. It was one of the few things in this job you could rely on. "Quinn." DC Rafferty stood near the platform edge, notebook already out, his young face pale in the emergency lighting someone had rigged up. "You're going to want to see this." "I always want to see it, Rafferty. That's the job." She came down the stairs, boots ringing on concrete that hadn't heard a train in decades. The station had been sealed off since the eighties, officially. Unofficially, kids used it for raves, junkies used it for shooting up, and now, apparently, somebody had used it to die in. The body lay in the middle of the platform, arms flung wide, and around him — that was the first wrong thing — a perfect circle scorched into the concrete, black and glassy, like the ground itself had been fired in a kiln. "Male, mid-thirties," Rafferty read from his notes, voice too fast, the way people talked when they wanted to get past something. "No ID on him. No wallet, no phone, no signs of a struggle. Coroner's initial read is cardiac arrest, but—" "But you don't believe that," Quinn said. "I didn't say that." "You didn't have to." She crouched at the edge of the burn mark, careful not to touch it, and studied the way the black glass caught the torchlight — swirled through with color, blues and violets that had no business being in scorched concrete. "This is where cardiac arrest usually leaves its mark. Right. Melted stone." Rafferty's jaw tightened. "There's a plausible explanation. Kids messing about with something flammable, an accelerant, he has a heart attack from fright when it goes up—" "What accelerant burns cold?" Quinn asked. She'd pressed two fingers to the glass a moment ago, when he wasn't looking. No heat at all. If anything, it was colder than the surrounding concrete, cold enough that her fingertips still tingled. "I didn't say it was cold—" "You didn't say anything about temperature. I did. Feel it yourself." He didn't move to feel it. That told her something too. She stood, knees complaining the way they always did lately, and walked the perimeter of the circle slowly, the way she'd once walked the perimeter of a burned warehouse with DS Morris at her side, three years and one lifetime ago. Morris had taught her to read a scene like a sentence — subject, verb, object, and then the words nobody wanted to say out loud. The man's shoes were unmarked. His clothes were unmarked. Whatever had made that circle had gone straight through concrete and left the body sitting on top of it like a coin on a table. "No burns on the victim," she said aloud. "No burns on the clothing. Fire that melts stone but doesn't touch cotton. That's not fire, Rafferty. That's not any accelerant you're going to find in a database." "You're reaching," he said, but his eyes wouldn't meet hers, and his hand had drifted to his pocket, where she knew — because she'd seen him do it twice already since she arrived — he was worrying at something small and hard through the fabric. "What's in your pocket, Constable?" "Nothing. Loose change." "Show me." He hesitated a half second too long, then pulled out a coin. Not currency — she could see that from three feet away. Bone-white, disc-shaped, etched with a spiral that seemed to shift when the torchlight crossed it, the way oil shifts on water. "Found it near the body," he said. "Didn't think it was relevant." "You didn't think a bone token found six inches from a corpse in an impossible fire was relevant." "It's probably just some club thing. Kids leave all sorts down here." Quinn held out her hand, and after a moment he gave it over, reluctant, like a boy surrendering a stolen sweet. The token was warm — warmer than skin, warmer than the air around them — and heavier than its size should have allowed. She'd seen a token like this once before. In an evidence photograph from three years ago, in a file that had been quietly closed, a case with DS Morris's name on the front and a verdict of accidental death that had never once felt true in her gut. She turned it over. On the reverse, nearly worn smooth, was a symbol she recognized now only because two years of chasing shadows had taught her to recognize it — a stylized eye inside a broken circle. The same mark from Morris's file. The same mark that had started showing up in the margins of cases she wasn't supposed to still be working. "Where exactly did you find this." "By his left hand. Like he was holding it and dropped it." Quinn looked back at the body, at the too-still face, the eyes closed as though he'd simply decided, mid-terror, to go to sleep instead. No fear in that face. No pain. Just absence, the particular blankness of a man who had been somewhere else entirely when whatever killed him arrived. "He wasn't burned," she said slowly, working it the way she'd work any other case, refusing — even now, even after everything — to let the strangeness stop her thinking. "He wasn't struck. There's no defensive wounding, no petechiae, nothing to suggest suffocation. Which means the mechanism of death isn't in this room at all. It's wherever that thing—" she held up the token, and it caught the light, and for a half second she could have sworn the etched eye blinked "—came from." "Sir, respectfully, that's not a police theory." "No," she agreed. "It isn't." She slipped the token into an evidence bag, sealed it, and did not look at Rafferty's relieved exhale, because relief, in her experience, was rarer than it should have been on scenes like this, and she'd learned to distrust anyone who felt it too easily. "Get forensics to swab the glass," she said. "And find out who else uses this station. Kids, rough sleepers, market traders, anyone. I want names." "Market traders? There's no market down here, Quinn. Station's been sealed for thirty years." "Exactly," she said, and looked once more at the scorched circle, blue and violet fire trapped forever in black glass, and thought of a compass she'd confiscated off a suspect eight months ago, needle spinning wild in evidence storage no matter which way she turned the box. "Which is exactly why I think someone's using it anyway."
created_at"2026-07-01T07:34:20.311Z" 7/1/2026, 7:34:20 AM
model"anthropic/claude-sonnet-5-20260630"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency2078
moderation_latency(null)
generation_time36400
tokens_prompt923
tokens_completion1714
native_tokens_prompt1285
native_tokens_completion2204
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"
usage0.02461
router(null)
provider_responses
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endpoint_id"37b16f45-eeae-45f3-9b85-2137f7c6d61b"
id"msg_0167D7Mh4LSoWhXB2FZJLqJ6"
is_byokfalse
latency2078
model_permaslug"anthropic/claude-sonnet-5-20260630"
provider_name"Amazon Bedrock"
status200
user_agent"langchainjs-openai/1.0.0 ((node/v24.17.0; linux; x64))"
http_referer(null)
request_id"req-1782891260-KBqj5vziNGIFPXTHPRRc"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1782891260-iT0mVCVs1xw3QUC6iCrq"
upstream_id"msg_0167D7Mh4LSoWhXB2FZJLqJ6"
total_cost0.02461
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
85.71% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags15
adverbTagCount2
adverbTags
0"she said aloud [aloud]"
1"she said slowly [slowly]"
dialogueSentences35
tagDensity0.429
leniency0.857
rawRatio0.133
effectiveRatio0.114
91.25% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1143
totalAiIsmAdverbs2
found
0
adverb"slowly"
count2
highlights
0"slowly"
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)
78.13% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1143
totalAiIsms5
found
0
word"shattered"
count1
1
word"perfect"
count1
2
word"database"
count1
3
word"etched"
count2
highlights
0"shattered"
1"perfect"
2"database"
3"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
narrationSentences49
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount0
hedgeCount1
narrationSentences49
filterMatches(empty)
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences69
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen55
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1154
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions14
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions17
wordCount851
uniqueNames7
maxNameDensity0.59
worstName"Quinn"
maxWindowNameDensity1.5
worstWindowName"Rafferty"
discoveredNames
Tube1
Camden1
Detective1
Harlow1
Quinn5
Rafferty4
Morris4
persons
0"Camden"
1"Harlow"
2"Quinn"
3"Rafferty"
4"Morris"
places(empty)
globalScore1
windowScore1
2.94% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences34
glossingSentenceCount2
matches
0"g up, and now, apparently, somebody had used"
1"spiral that seemed to shift when the torchlight crossed it, the way oil shifts on water"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1154
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences69
matches
0"made that circle"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs36
mean32.06
std23.84
cv0.744
sampleLengths
033
151
230
358
443
541
67
74
856
926
1040
116
1211
1311
1466
1534
1636
1745
185
193
202
2144
2212
2318
2412
2592
2663
276
2812
2950
3084
317
3250
3325
3414
3557
90.94% Passive voice overuse
Target: ≤2% passive sentences
passiveCount2
totalSentences49
matches
0"been sealed"
1"been fired"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs149
matches
0"wasn't looking"
1"was worrying"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount13
semicolonCount0
flaggedSentences9
totalSentences69
ratio0.13
matches
0"The body lay in the middle of the platform, arms flung wide, and around him — that was the first wrong thing — a perfect circle scorched into the concrete, black and glassy, like the ground itself had been fired in a kiln."
1"\"You didn't have to.\" She crouched at the edge of the burn mark, careful not to touch it, and studied the way the black glass caught the torchlight — swirled through with color, blues and violets that had no business being in scorched concrete."
2"Morris had taught her to read a scene like a sentence — subject, verb, object, and then the words nobody wanted to say out loud."
3"\"You're reaching,\" he said, but his eyes wouldn't meet hers, and his hand had drifted to his pocket, where she knew — because she'd seen him do it twice already since she arrived — he was worrying at something small and hard through the fabric."
4"Not currency — she could see that from three feet away."
5"The token was warm — warmer than skin, warmer than the air around them — and heavier than its size should have allowed."
6"On the reverse, nearly worn smooth, was a symbol she recognized now only because two years of chasing shadows had taught her to recognize it — a stylized eye inside a broken circle."
7"\"He wasn't burned,\" she said slowly, working it the way she'd work any other case, refusing — even now, even after everything — to let the strangeness stop her thinking."
8"\"He wasn't struck. There's no defensive wounding, no petechiae, nothing to suggest suffocation. Which means the mechanism of death isn't in this room at all. It's wherever that thing—\" she held up the token, and it caught the light, and for a half second she could have sworn the etched eye blinked \"—came from.\""
97.48% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount793
adjectiveStacks0
stackExamples(empty)
adverbCount34
adverbRatio0.04287515762925599
lyAdverbCount14
lyAdverbRatio0.017654476670870115
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences69
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences69
mean16.72
std13.27
cv0.793
sampleLengths
033
128
27
32
414
523
67
726
810
922
1043
1121
1220
137
144
1544
1612
173
1823
196
2014
214
2216
236
2411
256
265
2741
2825
295
304
3125
328
3328
3445
355
363
372
3812
3911
4021
417
425
4318
4412
4521
4623
478
4840
494
85.99% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats4
diversityRatio0.5507246376811594
totalSentences69
uniqueOpeners38
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount2
totalSentences42
matches
0"Unofficially, kids used it for"
1"Just absence, the particular blankness"
ratio0.048
58.10% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount17
totalSentences42
matches
0"She ducked under the crime"
1"It was one of the"
2"She came down the stairs,"
3"She crouched at the edge"
4"She'd pressed two fingers to"
5"He didn't move to feel"
6"She stood, knees complaining the"
7"His clothes were unmarked."
8"she said aloud"
9"he said, but his eyes"
10"He hesitated a half second"
11"She'd seen a token like"
12"She turned it over."
13"she said slowly, working it"
14"she held up the token,"
15"She slipped the token into"
16"she said, and looked once"
ratio0.405
67.14% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount33
totalSentences42
matches
0"The abandoned Tube station beneath"
1"She ducked under the crime"
2"That alone should have told"
3"It was one of the"
4"DC Rafferty stood near the"
5"She came down the stairs,"
6"The station had been sealed"
7"The body lay in the"
8"Rafferty read from his notes,"
9"She crouched at the edge"
10"Rafferty's jaw tightened."
11"She'd pressed two fingers to"
12"He didn't move to feel"
13"That told her something too."
14"She stood, knees complaining the"
15"Morris had taught her to"
16"The man's shoes were unmarked."
17"His clothes were unmarked."
18"Whatever had made that circle"
19"she said aloud"
ratio0.786
100.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount1
totalSentences42
matches
0"If anything, it was colder"
ratio0.024
0.00% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences21
technicalSentenceCount7
matches
0"The abandoned Tube station beneath Camden smelled of ozone and old pennies, and Detective Harlow Quinn had learned, over eighteen years, that smells like that m…"
1"She ducked under the crime scene tape strung across the shattered turnstiles, her torch beam cutting through dust motes that hung suspended in the air rather th…"
2"The body lay in the middle of the platform, arms flung wide, and around him — that was the first wrong thing — a perfect circle scorched into the concrete, blac…"
3"Bone-white, disc-shaped, etched with a spiral that seemed to shift when the torchlight crossed it, the way oil shifts on water."
4"In an evidence photograph from three years ago, in a file that had been quietly closed, a case with DS Morris's name on the front and a verdict of accidental de…"
5"Quinn looked back at the body, at the too-still face, the eyes closed as though he'd simply decided, mid-terror, to go to sleep instead."
6"Just absence, the particular blankness of a man who had been somewhere else entirely when whatever killed him arrived."
91.67% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags15
uselessAdditionCount1
matches
0"he said, but his eyes wouldn't meet hers, and his hand had drifted to his pocket, where she knew — because she'd seen him do it twice already since she arrived — he was worrying at something small and hard through the fabric"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags9
fancyCount1
fancyTags
0"she agreed (agree)"
dialogueSentences35
tagDensity0.257
leniency0.514
rawRatio0.111
effectiveRatio0.057
84.9785%