Run: 2026-10-07-01M4AT9GC781N66G1B4RTKHFD3

Run Details

Duration:
14.8s
Cost:
$0.013765
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 Soho streets into a slick, reflective maze. Detective Harlow Quinn’s boots splashed through puddles, her breath steady despite the cold bite of the night air. She kept her eyes locked on the figure ahead—tall, lean, moving with the kind of purpose that only came from knowing you were being hunted. The suspect had been slippery, vanishing into alleys and doubling back through crowds, but Quinn had spent eighteen years chasing shadows. She knew the game. Her leather watch, worn smooth by years of use, pressed against her wrist as she pushed harder, her sharp jaw set. The green neon sign of The Raven’s Nest flickered above the entrance to her left, its glow bleeding into the wet pavement. She didn’t slow. The suspect—dressed in a dark hoodie, face obscured—ducked into a narrow side street, and Quinn followed, her instincts screaming that this was the moment. The break in the chase. The alley was tighter, the rain here falling in a steady drizzle that clung to the brick walls. The suspect’s footsteps echoed, then abruptly stopped. Quinn’s pulse quickened. She rounded a corner and saw him—no, *her*—a woman, hood now discarded, dark hair plastered to her face as she fumbled with something at the base of a rusted fire escape. A manhole cover. The woman’s fingers worked quickly, prying it open with a grunt of effort. Quinn’s hand went to her sidearm, but she hesitated. The woman wasn’t armed, not that she could see. And the manhole? That wasn’t just an escape route. That was a descent into something else. The Veil Market. She’d heard the whispers, the rumors from the darker corners of the city. A black market beneath the streets, moving with the full moon, trading in things that didn’t belong in this world. And the entry? A bone token. The woman glanced back, eyes wide with fear or adrenaline, Quinn couldn’t tell. Then she was gone, slipping into the hole like a shadow swallowed by the earth. The manhole cover clanged shut behind her. Quinn exhaled sharply. She could call it in. Request backup, secure the area, wait for the cavalry. But the woman would be long gone by then. And Quinn had spent too many nights staring at the cold case files, the unsolved disappearances, the things that didn’t add up. Like Morris. Her partner, lost three years ago to something the reports had called “unexplained circumstances.” She knew better now. Or at least, she suspected. She crouched, her salt-and-pepper hair damp against her scalp, and pried the manhole cover open. The ladder descended into darkness, the rung slick under her grip. The scent of damp earth and something older, something metallic, rose up to meet her. She hesitated only a second before swinging her legs over the edge. The climb down was longer than she expected. The air grew thicker, warmer, as if the city above had been a lie and this was the real London—hidden, breathing, alive with secrets. When her boots hit solid ground, she found herself in a tunnel, the walls lined with flickering lanterns that cast long, dancing shadows. The space opened up ahead, the murmur of voices and the clink of glass and coin growing louder. The Veil Market. Stalls lined the abandoned Tube station, their wares displayed under the dim glow of enchanted lights. Jars of swirling liquid, vials of powder that shimmered like crushed gemstones, bundles of herbs that smelled sharp and otherworldly. The air hummed with the low thrum of conversation, the occasional burst of laughter, the clink of a bone token exchanging hands. Quinn’s fingers twitched toward her sidearm again, but she kept her hand still. She was out of her depth here, and she knew it. A figure moved past her, close enough that she caught the scent of his cologne—warm, spiced, familiar. Tomás Herrera. His olive skin was slick with the damp of the underground, his Saint Christopher medallion glinting as he turned, scanning the crowd. Their eyes met, and for a fraction of a second, his warm brown gaze flickered with recognition. Then he was moving past her, his scarred forearm brushing against her sleeve as he slipped into the throng. Quinn’s jaw tightened. She didn’t have time for this. The woman she’d been chasing was here, somewhere, and if she didn’t move fast, she’d lose her again. But the market was a labyrinth, the stalls packed tight, the patrons a mix of faces she couldn’t place—some human, some... not. A woman with eyes like polished silver coins watched her from behind a table of blackened teeth and polished bones. A man with too many fingers counted out tokens into a customer’s palm. Quinn forced herself forward, weaving through the crowd. She caught glimpses of the woman—dark hair, a flash of a leather jacket—but the market swallowed her whole. Then, a shout. A commotion near one of the stalls. Quinn pushed harder, her military precision cutting through the chaos. She broke through the crowd just in time to see the woman shove a vendor aside, snatching a small, cloth-wrapped bundle from his table. The vendor, a gaunt man with a face like cracked parchment, lunged for her, but she was already moving, vanishing into the shadows beyond the lantern light. Quinn didn’t think. She sprinted after her, her boots pounding against the damp stone. The tunnel narrowed, the lanterns fewer, the air colder. The woman was fast, but Quinn was relentless. She gained ground, close enough now to see the bundle in the woman’s hands, close enough to see the way her breath came in ragged gasps. Then the woman stopped. Turned. And Quinn saw her face for the first time. She was young. Younger than Quinn had expected. Early twenties, maybe. Her eyes were wide, desperate, but there was a hardness there, too. A resolve. “You don’t want to follow me down here, Detective,” the woman said, her voice steady despite the fear in her eyes. “This isn’t your world.” Quinn didn’t lower her guard. “You’re running from me for a reason. And I intend to find out what it is.” The woman’s grip tightened on the bundle. “Some doors shouldn’t be opened. Some things shouldn’t be chased.” Quinn’s gaze flicked to the bundle. “What’s in the package?” The woman hesitated, then unwrapped it just enough for Quinn to see the glint of something metallic, something old. A key. Not just any key—a skeletal hand, fingers curled into a crude but unmistakable shape. A bone token. Quinn’s stomach twisted. She knew what that meant. Entry. But to where? The woman’s eyes darted past Quinn, toward the darkness behind her. “They’re coming. And if they catch you here without a token, you won’t walk out again.” Quinn didn’t have time to ask who *they* were. The ground trembled beneath her feet, a low, resonant hum vibrating through the stone. The lanterns flickered, then died, plunging the tunnel into darkness. The woman was gone. Vanished into the black. Quinn’s instincts screamed at her to run, to retreat, to get the hell out of this place before whatever was coming arrived. But she’d spent her career chasing the truth, even when it led her into the dark. She pulled her sidearm, the cold weight familiar in her grip, and stepped forward. The hum grew louder. Closer. Then, from the darkness, a voice—smooth, amused, and utterly inhuman. “Detective Quinn. We’ve been expecting you.”
created_at"2026-10-07T09:14:41.423Z" 10/7/2026, 9:14:41 AM
model"mistralai/mistral-medium-3.5-20260430"
app_id182717
external_user(null)
streamedtrue
cancelledfalse
latency404
moderation_latency(null)
generation_time14818
tokens_prompt888
tokens_completion1892
native_tokens_prompt852
native_tokens_completion1665
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"
usage0.0137655
router(null)
user_agent"langchainjs-openai/1.0.0 ((node/v24.21.0; linux; x64))"
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request_id"req-1791364481-KKZTmKYI367sOYlrAiJF"
session_id(null)
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api_type"completions"
id"gen-1791364481-Rj7U0WJNg1a8ZkOz3hcX"
upstream_id"14d01efa848b4fa1a96b616b9a73affa"
provider_responses
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is_byokfalse
latency404
model_permaslug"mistralai/mistral-medium-3.5-20260430"
provider_name"Mistral"
status200
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cache_discount(null)
upstream_inference_cost0
provider_name"Mistral"
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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
totalTags2
adverbTagCount0
adverbTags(empty)
dialogueSentences8
tagDensity0.25
leniency0.5
rawRatio0
effectiveRatio0
88.04% AI-ism adverb frequency
Target: <2% AI-ism adverbs (58 tracked)
wordCount1254
totalAiIsmAdverbs3
found
0
adverb"quickly"
count1
1
adverb"sharply"
count1
2
adverb"utterly"
count1
highlights
0"quickly"
1"sharply"
2"utterly"
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)
16.27% AI-ism word frequency
Target: <2% AI-ism words (290 tracked)
wordCount1254
totalAiIsms21
found
0
word"flickered"
count3
1
word"footsteps"
count1
2
word"echoed"
count1
3
word"pulse"
count1
4
word"quickened"
count1
5
word"dancing"
count1
6
word"shimmered"
count1
7
word"otherworldly"
count1
8
word"familiar"
count2
9
word"glinting"
count1
10
word"scanning"
count1
11
word"pounding"
count1
12
word"resolve"
count1
13
word"flicked"
count1
14
word"glint"
count1
15
word"stomach"
count1
16
word"trembled"
count1
17
word"weight"
count1
highlights
0"flickered"
1"footsteps"
2"echoed"
3"pulse"
4"quickened"
5"dancing"
6"shimmered"
7"otherworldly"
8"familiar"
9"glinting"
10"scanning"
11"pounding"
12"resolve"
13"flicked"
14"glint"
15"stomach"
16"trembled"
17"weight"
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
emotionTells1
narrationSentences107
matches
0"e with fear"
100.00% Filter word density
Target: ≤3% sentences with filter/hedge words
filterCount1
hedgeCount0
narrationSentences107
filterMatches
0"watch"
hedgeMatches(empty)
100.00% Gibberish response detection
Target: ≤1% gibberish-like sentences (hard fail if a sentence exceeds 800 words)
analyzedSentences113
gibberishSentences0
adjustedGibberishSentences0
longSentenceCount0
runOnParagraphCount0
giantParagraphCount0
wordSaladCount0
repetitionLoopCount0
controlTokenCount0
repeatedSegmentCount0
maxSentenceWordsSeen32
ratio0
matches(empty)
100.00% Markdown formatting overuse
Target: ≤5% words in markdown formatting
markdownSpans2
markdownWords2
totalWords1243
ratio0.002
matches
0"her"
1"they"
100.00% Missing dialogue indicators (quotation marks)
Target: ≤10% speech attributions without quotation marks
totalAttributions6
unquotedAttributions0
matches(empty)
0.00% Name drop frequency
Target: ≤1.0 per-name mentions per 100 words
totalMentions37
wordCount1176
uniqueNames13
maxNameDensity1.96
worstName"Quinn"
maxWindowNameDensity5
worstWindowName"Quinn"
discoveredNames
Soho1
Harlow1
Quinn23
Raven1
Nest1
Veil2
Market2
Morris1
London1
Tube1
Herrera1
Saint1
Christopher1
persons
0"Harlow"
1"Quinn"
2"Raven"
3"Nest"
4"Market"
5"Morris"
6"Herrera"
7"Saint"
8"Christopher"
places
0"Soho"
1"London"
globalScore0.522
windowScore0
100.00% Narrator intent-glossing
Target: ≤2% narration sentences with intent-glossing patterns
analyzedSentences71
glossingSentenceCount0
matches(empty)
100.00% "Not X but Y" pattern overuse
Target: ≤1 "not X but Y" per 1000 words
totalMatches1
per1kWords0.805
wordCount1243
matches
0"Not just any key—a skeletal hand, fingers curled into a crude but unmistakable shape"
100.00% Overuse of "that" (subordinate clause padding)
Target: ≤2% sentences with "that" clauses
thatCount1
totalSentences113
matches
0"screaming that this"
100.00% Paragraph length variance
Target: CV ≥0.5 for paragraph word counts
totalParagraphs29
mean42.86
std27.33
cv0.638
sampleLengths
082
175
275
376
435
573
653
773
83
982
1077
1182
1246
1351
1457
1514
1625
1725
1821
1917
2010
2138
2212
2327
2441
2552
265
2710
286
95.43% Passive voice overuse
Target: ≤2% passive sentences
passiveCount3
totalSentences107
matches
0"being hunted"
1"was gone"
2"was gone"
100.00% Past progressive (was/were + -ing) overuse
Target: ≤2% past progressive verbs
pastProgressiveCount2
totalVerbs199
matches
0"was already moving"
1"was coming"
0.00% Em-dash & semicolon overuse
Target: ≤2% sentences with em-dashes/semicolons
emDashCount12
semicolonCount0
flaggedSentences9
totalSentences113
ratio0.08
matches
0"She kept her eyes locked on the figure ahead—tall, lean, moving with the kind of purpose that only came from knowing you were being hunted."
1"The suspect—dressed in a dark hoodie, face obscured—ducked into a narrow side street, and Quinn followed, her instincts screaming that this was the moment."
2"She rounded a corner and saw him—no, *her*—a woman, hood now discarded, dark hair plastered to her face as she fumbled with something at the base of a rusted fire escape."
3"The air grew thicker, warmer, as if the city above had been a lie and this was the real London—hidden, breathing, alive with secrets."
4"A figure moved past her, close enough that she caught the scent of his cologne—warm, spiced, familiar."
5"But the market was a labyrinth, the stalls packed tight, the patrons a mix of faces she couldn’t place—some human, some..."
6"She caught glimpses of the woman—dark hair, a flash of a leather jacket—but the market swallowed her whole."
7"Not just any key—a skeletal hand, fingers curled into a crude but unmistakable shape."
8"Then, from the darkness, a voice—smooth, amused, and utterly inhuman."
94.00% Purple prose (modifier overload)
Target: <4% adverbs, <2% -ly adverbs, no adj stacking
wordCount1190
adjectiveStacks1
stackExamples
0"ahead—tall, lean, moving"
adverbCount39
adverbRatio0.03277310924369748
lyAdverbCount8
lyAdverbRatio0.0067226890756302525
100.00% Repeated phrase echo
Target: ≤20% sentences with echoes (window: 2)
totalSentences113
echoCount0
echoWords(empty)
100.00% Sentence length variance
Target: CV ≥0.4 for sentence word counts
totalSentences113
mean11
std7.46
cv0.678
sampleLengths
014
118
225
321
44
521
622
73
824
95
1018
117
123
1331
143
1513
169
179
183
196
207
213
2213
2320
243
253
2613
2715
287
293
305
319
329
3322
342
3518
365
3715
3811
3915
4012
418
4224
4323
4418
453
4616
4720
4822
4913
40.27% Sentence opener variety
Target: ≥60% unique sentence openers
consecutiveRepeats11
diversityRatio0.2743362831858407
totalSentences113
uniqueOpeners31
100.00% Adverb-first sentence starts
Target: ≥3% sentences starting with an adverb
adverbCount5
totalSentences99
matches
0"Then she was gone, slipping"
1"Then he was moving past"
2"Then, a shout."
3"Then the woman stopped."
4"Then, from the darkness, a"
ratio0.051
100.00% Pronoun-first sentence starts
Target: ≤30% sentences starting with a pronoun
pronounCount22
totalSentences99
matches
0"She kept her eyes locked"
1"She knew the game."
2"Her leather watch, worn smooth"
3"She didn’t slow."
4"She rounded a corner and"
5"She’d heard the whispers, the"
6"She could call it in."
7"Her partner, lost three years"
8"She crouched, her salt-and-pepper hair"
9"She hesitated only a second"
10"She was out of her"
11"His olive skin was slick"
12"Their eyes met, and for"
13"She didn’t have time for"
14"She caught glimpses of the"
15"She broke through the crowd"
16"She sprinted after her, her"
17"She gained ground, close enough"
18"She was young."
19"Her eyes were wide, desperate,"
ratio0.222
61.01% Subject-first sentence starts
Target: ≤72% sentences starting with a subject
subjectCount79
totalSentences99
matches
0"The rain fell in sheets,"
1"Detective Harlow Quinn’s boots splashed"
2"She kept her eyes locked"
3"The suspect had been slippery,"
4"She knew the game."
5"Her leather watch, worn smooth"
6"The green neon sign of"
7"She didn’t slow."
8"The suspect—dressed in a dark"
9"The break in the chase."
10"The alley was tighter, the"
11"The suspect’s footsteps echoed, then"
12"Quinn’s pulse quickened."
13"She rounded a corner and"
14"A manhole cover."
15"The woman’s fingers worked quickly,"
16"Quinn’s hand went to her"
17"The woman wasn’t armed, not"
18"That wasn’t just an escape"
19"That was a descent into"
ratio0.798
0.00% Subordinate conjunction sentence starts
Target: ≥2% sentences starting with a subordinating conjunction
subConjCount0
totalSentences99
matches(empty)
ratio0
72.83% Technical jargon density
Target: ≤6% sentences with technical-jargon patterns
analyzedSentences51
technicalSentenceCount5
matches
0"A black market beneath the streets, moving with the full moon, trading in things that didn’t belong in this world."
1"And Quinn had spent too many nights staring at the cold case files, the unsolved disappearances, the things that didn’t add up."
2"The air grew thicker, warmer, as if the city above had been a lie and this was the real London—hidden, breathing, alive with secrets."
3"When her boots hit solid ground, she found herself in a tunnel, the walls lined with flickering lanterns that cast long, dancing shadows."
4"Jars of swirling liquid, vials of powder that shimmered like crushed gemstones, bundles of herbs that smelled sharp and otherworldly."
0.00% Useless dialogue additions
Target: ≤5% dialogue tags with trailing filler fragments
totalTags2
uselessAdditionCount1
matches
0"the woman said, her voice steady despite the fear in her eyes"
100.00% Dialogue tag variety (said vs. fancy)
Target: ≤10% fancy dialogue tags
totalTags1
fancyCount0
fancyTags(empty)
dialogueSentences8
tagDensity0.125
leniency0.25
rawRatio0
effectiveRatio0
78.9279%