Run: 2026-04-24-01KPZV9ZAF9N13Z1GNRJ0TQGY4

Run Details

Duration:
30.3s
Cost:
$0.058245
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="4417" name="Tomás Herrera" aliases="Tommy, Tomás, Herrera" pronouns="he/him" species="Human" storyRole="Support"> <eyeColor>warm brown</eyeColor> <hair>short curly dark brown</hair> <height>5'10"</height> <age>29</age> <skinTone>olive skin</skinTone> <scar>scar running along his left forearm from a knife attack</scar> <medallion>Saint Christopher medallion around his neck</medallion> <birthplace>Seville, Spain</birthplace> <description>A former paramedic who provides off-the-books medical care for the clique.</description> <backstory>Born in Seville, Spain. He moved to London to work for the NHS but lost his license after administering unauthorized treatments to supernatural patients.</backstory> </character> <location id="854" name="The Raven's Nest" aliases="the Nest, Raven, Silas' bar" realm="Earth"> <signColor>distinctive green neon sign above the entrance</signColor> <secretRoom>hidden back room accessible through a bookshelf, used for clandestine meetings</secretRoom> <description>A dimly lit bar in Soho, London. The walls are covered with old maps and black-and-white photographs.</description> </location> <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> </codex> Write a fully fleshed out scene of at least 1000 words in the thriller genre. A detective is pursuing a suspect through rain-soaked city streets at night. The chase takes them from the street level down into an underground market. The detective must decide whether to follow the suspect into unfamiliar and potentially dangerous territory. 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
Rain came down the way London liked it best—mean, horizontal, unrelenting. It hammered the awnings along Camden High Street and turned the gutters into little rivers that carried cigarette ends and bus tickets toward the drains. Harlow Quinn ran through it with her head down, her coat plastered to her shoulders, her right hand steady on the radio clipped to her lapel and her left fist pumping hard against the cold. Ahead of her, twenty yards and closing, Tomás Herrera ducked between a kebab shop and a shuttered phone repair kiosk. "Herrera!" she shouted. Her voice tore against the weather and went nowhere. "Tomás! Police—stop where you are!" He didn't stop. He never stopped. She'd seen his face for less than a heartbeat outside the Raven's Nest—olive skin, warm brown eyes going wide at the sight of her, that Saint Christopher flashing at the hollow of his throat—and then he was gone, vaulting a bollard and sprinting north like the devil had hold of his heels. Three years of watching Silas's little clique from a respectful distance, three years of patience, and tonight of all nights Tommy Herrera had walked out of that bar carrying a satchel heavy enough to list him to the side. She didn't care what was in it. She cared that he was running. The alley he'd taken dumped her into a service lane behind a row of Victorian terraces. Bins. Wet brick. The sickly orange of a single sodium lamp bleeding through the rain. She swept the lane with her eyes, found the flicker of motion at the far end—his coat, black, moving left—and followed. Her watch, soaked leather gone nearly black, had given up telling time three blocks ago. Didn't matter. Eighteen years on the job had taught her to count chases in breaths, not seconds. She had maybe ninety more good ones before her lungs started refusing her. Less in this cold. "Dispatch, this is Quinn, in foot pursuit of IC2 male, approximately thirty, heading north through rear of Pratt Street toward Camden Lock. Subject is wanted for questioning in connection with—" She cut herself off. In connection with what? A dead partner three years gone and a suspicion she couldn't put into a report without being sent to occupational health. "Requesting backup to my location. Over." The radio coughed static at her. Of course it did. It always did when she got close to anything that mattered. She turned the corner at Kentish Town Road and caught him again—Herrera, skidding on the wet pavement, glancing back once with that paramedic's calm cracking into something more animal. He saw her and surged forward, and his hand went to the satchel like a man making sure a child hadn't fallen out of it. He cut left, off the main road, down a pedestrian walk that shouldn't have gone anywhere. Quinn knew this stretch. She'd walked it a hundred times. There was nothing down there but a builders' hoarding and the dead mouth of an old Tube station that hadn't taken passengers since before she was born. Camden Town Annex, closed 1924, bricked up, forgotten. A dead end. She smiled, grim, and went after him. The walkway narrowed. Puddles deepened. The streetlamp at the far end had been smashed, or had never worked, and the darkness there seemed to breathe with its own weather. She slowed, one hand sliding inside her coat to rest on the grip of her baton. Her pistol was locked in her desk at Charing Cross, as the rules required, which had never once in her life felt like a good idea and didn't now. "Herrera." She pitched her voice lower, harder. "There's nowhere to go. Come out with your hands where I can see them and we'll talk about whatever this is." Silence. Then a scrape—metal on stone—and a seam of pale greenish light opened at the base of the hoarding where no seam had any business being. She saw him then, briefly, crouched, lifting a panel of corrugated iron that had been cut and hinged like a door. He looked back at her one last time, and this was the part she would remember later, alone in her flat, turning it over: he didn't look like a criminal caught. He looked like a man who was sorry for her. Then he slipped through the gap, and the light went with him. Quinn reached the hoarding in six long strides. Her fingers found the cut edge of the panel—cold, slick, real—and she lifted it. Steps went down. They were old tile, the cream-and-maroon scheme the underground used to wear before the war, and they descended into a throat of warm air that smelled of tallow and iron and something sweeter she couldn't name. Far below, a murmur: voices, many voices, the low collective hum of a crowd that had agreed not to be noticed. Somewhere in the dark a bell rang once, small and clean. Something answered it that was not a bell. Every nerve she had told her to let the panel fall and back away. Eighteen years. Commendations in a drawer. A flat with a cat that tolerated her. A pension she could almost taste. DS Morris's widow, Ellen, who still sent Christmas cards with her daughter's drawings, and who had said at the funeral, you find out what happened to him, Harlow, you promise me, and Quinn had promised, and had spent three years keeping that promise only in the quiet hours when no one from Professional Standards was watching. The bell rang again. Below, someone laughed, low and wrong. She thought of Morris's face the last time she'd seen it—white under the sodium lights of a car park in Whitechapel, mouth open around a word he never got to finish. She thought of Tommy Herrera's Saint Christopher, patron of travelers, bouncing against his collarbone as he ran. She thought of the satchel. Quinn keyed her radio. "Dispatch, Quinn. Disregard my last. I've lost him." She listened to the static swallow her lie. "Going off-air. Personal. Ten minutes." She released the transmit button, tucked the radio inside her coat to keep it dry, and drew her baton with her right hand. With her left she pushed the panel up over her head and stepped through. The panel settled behind her with a soft, final click, and Detective Harlow Quinn began her descent into the Veil Market.
created_at"2026-04-24T13:36:42.843Z" 4/24/2026, 1:36:42 PM
model"anthropic/claude-4.7-opus-20260416"
app_id182717
external_user(null)
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cancelledfalse
latency647
moderation_latency(null)
generation_time30220
tokens_prompt914
tokens_completion1575
native_tokens_prompt1269
native_tokens_completion2076
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"
usage0.058245
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provider_responses
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is_byokfalse
latency647
model_permaslug"anthropic/claude-4.7-opus-20260416"
provider_name"Amazon Bedrock"
status200
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Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags4
adverbTagCount0
adverbTags(empty)
dialogueSentences8
tagDensity0.5
leniency1
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1081
totalAiIsmAdverbs0
found(empty)
highlights(empty)
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)
86.12% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1081
totalAiIsms3
found
0
word"pumping"
count1
1
word"flicker"
count1
2
word"silence"
count1
highlights
0"pumping"
1"flicker"
2"silence"
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
narrationSentences72
matches(empty)
83.33% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount2
narrationSentences72
filterMatches
0"watch"
hedgeMatches
0"seemed to"
1"happened to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences76
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen56
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1069
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions3
unquotedAttributions0
matches(empty)
100.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions47
wordCount972
uniqueNames31
maxNameDensity0.62
worstName"Quinn"
maxWindowNameDensity1.5
worstWindowName"Quinn"
discoveredNames
London1
Camden2
High1
Street1
Quinn6
Tomás1
Herrera4
Raven1
Nest1
Saint2
Christopher2
Silas1
Tommy2
Victorian1
Kentish1
Town2
Road1
Annex1
Charing1
Cross1
Silence1
Morris2
Ellen1
Christmas1
Harlow3
Professional1
Standards1
Whitechapel1
Detective1
Veil1
Market1
persons
0"Quinn"
1"Tomás"
2"Herrera"
3"Saint"
4"Christopher"
5"Silas"
6"Tommy"
7"Morris"
8"Ellen"
9"Christmas"
10"Harlow"
places
0"London"
1"Camden"
2"High"
3"Street"
4"Raven"
5"Victorian"
6"Kentish"
7"Town"
8"Road"
9"Annex"
10"Charing"
11"Professional"
12"Veil"
globalScore1
windowScore1
51.96% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences51
glossingSentenceCount2
matches
0"felt like a good idea and didn't now"
1"looked like a man who was sorry for her"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1069
matches(empty)
78.95% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount2
totalSentences76
matches
0"cared that he"
1"keeping that promise"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs28
mean38.18
std22.98
cv0.602
sampleLengths
071
120
217
358
452
552
649
765
821
954
1016
1148
127
1374
1428
1526
1662
1712
1822
193
2076
2114
2276
2310
2453
2525
2637
2721
85.77% Passive voice overuse
Target: ≤2% passive sentences
passiveCount4
totalSentences72
matches
0"was gone"
1"being sent"
2"been smashed"
3"was locked"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs170
matches
0"was running"
1"was watching"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount11
semicolonCount0
flaggedSentences7
totalSentences76
ratio0.092
matches
0"Rain came down the way London liked it best—mean, horizontal, unrelenting."
1"She'd seen his face for less than a heartbeat outside the Raven's Nest—olive skin, warm brown eyes going wide at the sight of her, that Saint Christopher flashing at the hollow of his throat—and then he was gone, vaulting a bollard and sprinting north like the devil had hold of his heels."
2"She swept the lane with her eyes, found the flicker of motion at the far end—his coat, black, moving left—and followed."
3"She turned the corner at Kentish Town Road and caught him again—Herrera, skidding on the wet pavement, glancing back once with that paramedic's calm cracking into something more animal."
4"Then a scrape—metal on stone—and a seam of pale greenish light opened at the base of the hoarding where no seam had any business being."
5"Her fingers found the cut edge of the panel—cold, slick, real—and she lifted it."
6"She thought of Morris's face the last time she'd seen it—white under the sodium lights of a car park in Whitechapel, mouth open around a word he never got to finish."
100.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount485
adjectiveStacks0
stackExamples(empty)
adverbCount16
adverbRatio0.032989690721649485
lyAdverbCount2
lyAdverbRatio0.004123711340206186
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences76
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences76
mean14.07
std11.8
cv0.839
sampleLengths
011
125
235
320
43
59
65
73
83
952
1039
117
126
1316
141
152
1612
1721
1815
192
2015
2113
224
2334
244
2521
266
276
284
2911
3029
3125
3216
334
346
3527
368
373
387
393
402
4124
4216
4329
447
4521
461
4725
4821
4931
74.12% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats7
diversityRatio0.5
totalSentences76
uniqueOpeners38
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount4
totalSentences65
matches
0"Of course it did."
1"Then a scrape—metal on stone—and"
2"Then he slipped through the"
3"Somewhere in the dark a"
ratio0.062
35.38% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount30
totalSentences65
matches
0"It hammered the awnings along"
1"Her voice tore against the"
2"He didn't stop."
3"He never stopped."
4"She'd seen his face for"
5"She didn't care what was"
6"She cared that he was"
7"She swept the lane with"
8"Her watch, soaked leather gone"
9"She had maybe ninety more"
10"She cut herself off"
11"It always did when she"
12"She turned the corner at"
13"He saw her and surged"
14"He cut left, off the"
15"She'd walked it a hundred"
16"She smiled, grim, and went"
17"She slowed, one hand sliding"
18"Her pistol was locked in"
19"She pitched her voice lower,"
ratio0.462
52.31% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount53
totalSentences65
matches
0"Rain came down the way"
1"It hammered the awnings along"
2"Harlow Quinn ran through it"
3"Her voice tore against the"
4"He didn't stop."
5"He never stopped."
6"She'd seen his face for"
7"She didn't care what was"
8"She cared that he was"
9"The alley he'd taken dumped"
10"The sickly orange of a"
11"She swept the lane with"
12"Her watch, soaked leather gone"
13"She had maybe ninety more"
14"Less in this cold."
15"She cut herself off"
16"A dead partner three years"
17"The radio coughed static at"
18"It always did when she"
19"She turned the corner at"
ratio0.815
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences65
matches(empty)
ratio0
63.49% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences36
technicalSentenceCount4
matches
0"It hammered the awnings along Camden High Street and turned the gutters into little rivers that carried cigarette ends and bus tickets toward the drains."
1"He cut left, off the main road, down a pedestrian walk that shouldn't have gone anywhere."
2"They were old tile, the cream-and-maroon scheme the underground used to wear before the war, and they descended into a throat of warm air that smelled of tallow…"
3"Far below, a murmur: voices, many voices, the low collective hum of a crowd that had agreed not to be noticed."
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags4
uselessAdditionCount1
matches
0"She pitched, harder"
25.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount1
fancyTags
0"she shouted (shout)"
dialogueSentences8
tagDensity0.125
leniency0.25
rawRatio1
effectiveRatio0.25
77.8814%