Run: 2026-09-25-01M3CKATQ2FA8E0QA6E6N8QZYM

Run Details

Duration:
16.1s
Cost:
$0.014020
Provider:
Mistral

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
The rain fell in sheets, turning the neon glow of Soho into a blur of smeared colors. Detective Harlow Quinn’s boots splashed through puddles as she rounded the corner, her breath steady despite the burn in her lungs. The suspect—a lanky figure in a dark hoodie—darted between the shadows, his movements too quick, too deliberate. He knew these streets. She didn’t. But that had never stopped her before. Her leather watch, worn smooth by years of use, pressed against her wrist as she pushed harder, her sharp jaw set. Three years. Three damn years since Morris had vanished into the night just like this, chasing something he wouldn’t explain. And now, here she was, doing the same damn thing. The suspect glanced back, his face half-hidden beneath the hood, and then bolted down a narrow alley. Harlow didn’t hesitate. She followed, her military precision honed by eighteen years on the force. The alley was a tight squeeze, the brick walls slick with rain, the stench of damp garbage thick in the air. A fire escape groaned overhead, its rusted metal dripping onto the pavement below. Then—gone. The suspect had vanished. Harlow skidded to a halt, her pulse hammering. No doors, no windows, just a dead end. But there—faint scuff marks on the wet pavement, leading to a rusted service hatch set into the ground. A manhole cover, half-hidden beneath a pile of discarded crates. She crouched, brushing aside the debris. The hatch was old, its edges corroded, but the lock had been recently tampered with. Fresh scratches glinted in the dim light. A trap? Or an escape? Harlow didn’t believe in coincidences. Not after Morris. Not after the things she’d seen in the case files that had been buried, the whispers of things that couldn’t be explained. She pried the hatch open. A ladder descended into darkness, the rungs slick with moisture. The scent of damp earth and something older, something metallic, rose from below. No time to call for backup. No time to think. She descended. The ladder ended in a cramped tunnel, the walls lined with ancient brick. The air was thick, stale, as if the place had been forgotten by time. A faint green glow pulsed in the distance—neon, but not from any sign she recognized. It seeped through the cracks of a door ahead, its edges warped with age. Harlow drew her sidearm, the weight familiar in her grip. The tunnel sloped downward, the floor uneven beneath her boots. The green light grew brighter, and with it, the murmur of voices—low, hushed, speaking in languages she didn’t recognize. Then she saw it. A door, propped open just enough to reveal the flicker of movement beyond. She pressed her back against the wall, inching forward. The voices grew louder, a cacophony of hushed deals and sharp laughter. The scent of incense and something acrid—burnt herbs, maybe—filled her nose. She peeked through the gap. The space beyond was vast, a cavernous chamber lit by the eerie glow of lanterns that floated without visible support. Stalls lined the edges, their wares displayed on rickety tables: vials of swirling liquid, bundles of dried plants, objects that seemed to shift when she blinked. Figures moved through the crowd, their faces obscured by hoods or masks, their forms too fluid, too wrong. The Veil Market. Harlow’s breath hitched. She’d heard the rumors—whispers of an underground black market that moved with the full moon, a place where the impossible was bought and sold. But she’d never believed. Not until now. And then she saw him. The suspect—her suspect—stood at a stall, his hood now thrown back to reveal a face she didn’t recognize. He was handing over a small, bone-white token to a vendor whose skin shimmered like oil on water. In exchange, he received a vial of black liquid that seemed to absorb the light. Harlow’s grip tightened on her weapon. She had to move. Now. But the market was a maze of shadows and secrets, and she was outnumbered, outgunned, out of her depth. The vendor’s eyes—too many, too dark—flickered toward the door. Toward her. She ducked back, pressing herself into the tunnel wall. Her heart pounded, but her mind was sharp. She could call for backup. She could wait. She could walk away. But Morris hadn’t walked away. And neither would she. Harlow took a deep breath and stepped into the market. The noise died instantly. Every head turned toward her, the lanterns dimming as if sensing her intrusion. The suspect’s eyes widened, his hand tightening around the vial. The vendor hissed, a sound like steam escaping a kettle. Harlow raised her weapon, her voice cutting through the silence. “Police. Nobody move.” A ripple of movement. A shift in the air. Then—chaos. The crowd scattered, their forms dissolving into smoke or shadow or something worse. The stalls vanished, their wares retreating into the dark. The suspect bolted, weaving through the fleeing figures, and Harlow gave chase, her boots pounding against the uneven stone. She didn’t see the figure step into her path until it was too late. A man—tall, broad-shouldered, with olive skin and warm brown eyes—blocked her way. A scar ran along his left forearm, and a Saint Christopher medallion glinted at his throat. Tomás Herrera. “Detective Quinn,” he said, his voice calm but urgent. “You shouldn’t be here.” “I could say the same about you, Herrera,” she snapped, sidestepping him. But he moved with her, his hand catching her arm. “This isn’t your fight,” he said. “Not yet.” She yanked free. “The hell it isn’t.” The suspect was getting away. She could see him now, slipping through a curtain of beads that shimmered like liquid mercury. Beyond it, a tunnel—another exit. Harlow lunged, but Herrera was faster. He stepped in front of her, his body a barrier. “You go through that door, you won’t come back.” She bared her teeth. “I don’t take orders from you.” “No,” he said, his voice dropping. “But you take them from Morris. And he’d tell you to turn around.” The words hit like a punch. Morris. Her partner. The man who’d disappeared into the night, chasing something just like this. Her hesitation cost her. The suspect vanished through the beads, and the curtain swung shut behind him. Harlow’s chest heaved, her finger twitching on the trigger. The market was emptying, the lanterns flickering out one by one. The green glow faded, leaving only the dark. Herrera’s grip on her arm loosened. “Come on. Before they decide you’re part of the merchandise.” She wanted to argue. Wanted to fight. But the weight of the unknown pressed down on her, heavy and cold. She let him lead her back to the ladder. The climb out was slower, her muscles burning with the effort. The rain had eased, the streets slick and reflective. The manhole cover lay open, a dark mouth in the pavement. Harlow stood at the edge, staring down into the black. Somewhere below, the Veil Market still pulsed, hidden and hungry. Herrera wiped rain from his brow, his medallion catching the light. “You’re not ready for this, Detective.” She turned to him, her brown eyes hard. “Then make me ready.” He studied her for a long moment, then nodded. “Meet me at The Raven’s Nest. Tomorrow. Midnight.” She didn’t answer. Didn’t need to. The chase wasn’t over. It had only just begun.
created_at"2026-09-25T15:35:51.788Z" 9/25/2026, 3:35:51 PM
model"mistralai/mistral-medium-3.5-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency681
moderation_latency(null)
generation_time16032
tokens_prompt888
tokens_completion1907
native_tokens_prompt852
native_tokens_completion1699
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"stop"
service_tier"default"
usage0.0140205
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
http_referer(null)
request_id"req-1790350551-jIAMf2plF2Kl2teLHn8L"
session_id(null)
preset_id(null)
api_type"completions"
id"gen-1790350551-H1jk8sDr5iJXZBDllDNO"
upstream_id"080f6540858e460e8b3c46b2d5ac07cd"
provider_responses
0
endpoint_id"d21d316f-d540-4718-b36e-3beff85d0cf9"
id"080f6540858e460e8b3c46b2d5ac07cd"
is_byokfalse
latency681
model_permaslug"mistralai/mistral-medium-3.5-20260430"
provider_name"Mistral"
status200
total_cost0.0140205
cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"
response_cache_source_id(null)
data_region"global"
workspace_id"97e315e5-d303-487d-83c1-83180e8a13d4"

Evaluation details

Result Evaluator Details Meta Data
100.00% Adverbs in dialogue tags
Target: ≤10% dialogue tags with adverbs
totalTags4
adverbTagCount0
adverbTags(empty)
dialogueSentences15
tagDensity0.267
leniency0.533
rawRatio0
effectiveRatio0
100.00% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1247
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)
47.87% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1247
totalAiIsms13
found
0
word"pulse"
count1
1
word"pulsed"
count2
2
word"weight"
count2
3
word"familiar"
count1
4
word"flicker"
count1
5
word"cacophony"
count1
6
word"shimmered"
count2
7
word"flickered"
count1
8
word"silence"
count1
9
word"pounding"
count1
highlights
0"pulse"
1"pulsed"
2"weight"
3"familiar"
4"flicker"
5"cacophony"
6"shimmered"
7"flickered"
8"silence"
9"pounding"
100.00% Cliché density
Target: ≤1 cliche(s) per 800-word window
totalCliches1
maxInWindow1
found
0
label"eyes widened/narrowed"
count1
highlights
0"eyes widened"
100.00% Emotion telling (show vs. tell)
Target: ≤3% sentences with emotion telling
emotionTells0
narrationSentences127
matches(empty)
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount2
narrationSentences127
filterMatches
0"watch"
hedgeMatches
0"seemed to"
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences138
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen26
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans0
markdownWords0
totalWords1230
ratio0
matches(empty)
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions10
unquotedAttributions0
matches(empty)
93.28% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions29
wordCount1146
uniqueNames9
maxNameDensity1.13
worstName"Harlow"
maxWindowNameDensity2
worstWindowName"Harlow"
discoveredNames
Soho1
Harlow13
Quinn1
Morris4
Veil2
Market2
Saint1
Christopher1
Herrera4
persons
0"Harlow"
1"Quinn"
2"Morris"
3"Saint"
4"Christopher"
5"Herrera"
places
0"Soho"
1"Market"
globalScore0.933
windowScore1
53.85% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences78
glossingSentenceCount3
matches
0"objects that seemed to shift when she blinked"
1"liquid that seemed to absorb the light"
2"as if sensing her intrusion"
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches0
per1kWords0
wordCount1230
matches(empty)
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount0
totalSentences138
matches(empty)
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs58
mean21.21
std16.97
cv0.8
sampleLengths
059
12
27
351
466
51
64
744
828
95
1030
1128
1210
132
1456
1539
164
1745
185
1964
203
2134
225
2351
2411
2530
2629
275
284
2910
304
3133
3213
3310
3441
3514
3630
3713
3822
398
407
4126
4225
4310
4419
4521
4617
4728
4816
4920
94.21% Passive voice overuse
Target: ≤2% passive sentences
passiveCount4
totalSentences127
matches
0"been buried"
1"been forgotten"
2"was bought"
3"was outnumbered"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount3
totalVerbs205
matches
0"was, doing"
1"was handing"
2"was emptying"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount17
semicolonCount0
flaggedSentences12
totalSentences138
ratio0.087
matches
0"The suspect—a lanky figure in a dark hoodie—darted between the shadows, his movements too quick, too deliberate."
1"Then—gone."
2"But there—faint scuff marks on the wet pavement, leading to a rusted service hatch set into the ground."
3"A faint green glow pulsed in the distance—neon, but not from any sign she recognized."
4"The green light grew brighter, and with it, the murmur of voices—low, hushed, speaking in languages she didn’t recognize."
5"The scent of incense and something acrid—burnt herbs, maybe—filled her nose."
6"She’d heard the rumors—whispers of an underground black market that moved with the full moon, a place where the impossible was bought and sold."
7"The suspect—her suspect—stood at a stall, his hood now thrown back to reveal a face she didn’t recognize."
8"The vendor’s eyes—too many, too dark—flickered toward the door."
9"Then—chaos."
10"A man—tall, broad-shouldered, with olive skin and warm brown eyes—blocked her way."
11"Beyond it, a tunnel—another exit."
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1167
adjectiveStacks1
stackExamples
0"small, bone-white token"
adverbCount33
adverbRatio0.028277634961439587
lyAdverbCount4
lyAdverbRatio0.003427592116538132
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences138
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences138
mean8.91
std5.65
cv0.634
sampleLengths
017
121
217
34
42
57
621
72
818
910
1017
113
1212
1321
1413
151
164
178
188
1918
2010
216
2215
237
242
253
265
273
2822
295
3010
3113
326
334
342
3513
3614
3715
3814
3910
4010
4119
424
4313
449
4512
4611
475
4820
4926
37.68% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats17
diversityRatio0.2536231884057971
totalSentences138
uniqueOpeners35
57.97% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount2
totalSentences115
matches
0"Then she saw it."
1"Somewhere below, the Veil Market"
ratio0.017
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount31
totalSentences115
matches
0"He knew these streets."
1"Her leather watch, worn smooth"
2"She followed, her military precision"
3"She crouched, brushing aside the"
4"She pried the hatch open."
5"It seeped through the cracks"
6"She pressed her back against"
7"She peeked through the gap."
8"She’d heard the rumors—whispers of"
9"He was handing over a"
10"She had to move."
11"She ducked back, pressing herself"
12"Her heart pounded, but her"
13"She could call for backup."
14"She could wait."
15"She could walk away."
16"She didn’t see the figure"
17"he said, his voice calm"
18"she snapped, sidestepping him"
19"She yanked free."
ratio0.27
68.70% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount90
totalSentences115
matches
0"The rain fell in sheets,"
1"Detective Harlow Quinn’s boots splashed"
2"The suspect—a lanky figure in"
3"He knew these streets."
4"Her leather watch, worn smooth"
5"The suspect glanced back, his"
6"Harlow didn’t hesitate."
7"She followed, her military precision"
8"The alley was a tight"
9"A fire escape groaned overhead,"
10"The suspect had vanished."
11"Harlow skidded to a halt,"
12"A manhole cover, half-hidden beneath"
13"She crouched, brushing aside the"
14"The hatch was old, its"
15"Harlow didn’t believe in coincidences."
16"She pried the hatch open."
17"A ladder descended into darkness,"
18"The scent of damp earth"
19"The ladder ended in a"
ratio0.783
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences115
matches(empty)
ratio0
92.73% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences57
technicalSentenceCount4
matches
0"The space beyond was vast, a cavernous chamber lit by the eerie glow of lanterns that floated without visible support."
1"Stalls lined the edges, their wares displayed on rickety tables: vials of swirling liquid, bundles of dried plants, objects that seemed to shift when she blinke…"
2"She’d heard the rumors—whispers of an underground black market that moved with the full moon, a place where the impossible was bought and sold."
3"The suspect bolted, weaving through the fleeing figures, and Harlow gave chase, her boots pounding against the uneven stone."
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags4
uselessAdditionCount2
matches
0"he said, his voice calm but urgent"
1"he said, his voice dropping"
83.33% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags4
fancyCount1
fancyTags
0"she snapped (snap)"
dialogueSentences15
tagDensity0.267
leniency0.533
rawRatio0.25
effectiveRatio0.133
80.7876%